CNPS

CNPS Rare Plant Inventory


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1792 matches found. Click on scientific name for details

Search Criteria: , CRPR is one of [1A:1B:2A:2B,1A:1B:2A:2B]

Scientific Name Common Name Family Lifeform Blooming Period Fed List State List Global Rank State Rank CA Rare Plant Rank Other Status Threats General Habitats Microhabitats Lowest Elevation (m) Highest Elevation (m) Lowest Elevation (ft) Highest Elevation (ft) CA Endemic Date Added Photo
Ambrosia pumila San Diego ambrosia Asteraceae perennial rhizomatous herb Apr-Oct FE None G1 S1 1B.1 SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools Alkaline (sometimes), Clay (sometimes), Disturbed areas (often), Loam (sometimes), Sandy (sometimes) 20 415 65 1360 1974-01-01 Photo of Ambrosia pumila
© 2010 Benjamin Smith
Spermolepis gigantea desert scaleseed Apiaceae annual herb Mar-Apr None None G1 SH 2B.1 Sonoran desert scrub 400 400 1310 1310 1988-01-01
No Photo Available
Amsinckia grandiflora large-flowered fiddleneck Boraginaceae annual herb (Mar)Apr-May FE CE G1 S1 1B.1 SB_UCBG Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, Other Cismontane woodland, Valley and foothill grassland 270 550 885 1805 Yes 1974-01-01 Photo of Amsinckia grandiflora
© 2015 Zoya Akulova
Amsinckia lunaris bent-flowered fiddleneck Boraginaceae annual herb Mar-Jun None None G3 S3 1B.2 BLM_S; SB_UCBG; SB_UCSC Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Coastal bluff scrub, Valley and foothill grassland 3 500 10 1640 Yes 1974-01-01 Photo of Amsinckia lunaris
© 2011 Neal Kramer
Androsace filiformis slender-stemmed androsace Primulaceae annual herb Jun-Oct None None G4 S1 2B.3 Grazing, Recreational use (non-ORV) Meadows and seeps, Upper montane coniferous forest 1800 1830 5905 6005 1988-01-01 Photo of Androsace filiformis
©2019 Belinda Lo
Androstephium breviflorum small-flowered androstephium Themidaceae perennial bulbiferous herb Mar-Apr None None G5 S2? 2B.2 Development, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Desert dunes, Mojavean desert scrub (bajadas) 220 800 720 2625 1974-01-01 Photo of Androstephium breviflorum
© 2005 James M. Andre
Saltugilia latimeri Latimer's woodland-gilia Polemoniaceae annual herb Mar-Jun None None G3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA; USFS_S Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, ORV activity, Recreational use (non-ORV), Vandalism/dumping/litter Chaparral, Mojavean desert scrub, Pinyon and juniper woodland Granitic (often), Rocky (sometimes), Sandy (sometimes), Washes (sometimes) 400 1900 1310 6235 Yes 2004-01-01
No Photo Available
Sisyrinchium hitchcockii Hitchcock's blue-eyed grass Iridaceae perennial rhizomatous herb Jun None None G1G2 S1 1B.1 Cismontane woodland (openings), Valley and foothill grassland 305 305 1000 1000 2004-01-01 Photo of Sisyrinchium hitchcockii
©2009 Dana York
Prunus eremophila Mojave Desert plum Rosaceae perennial deciduous shrub Mar-Apr None None G2 S2 1B.2 SB_CalBG/RSABG Mojavean desert scrub Granitic (sometimes), Washes (usually) 975 1175 3200 3855 Yes 2004-01-01
No Photo Available
Monardella stoneana Jennifer's monardella Lamiaceae perennial herb Jun-Sep None None G1G2 S1 1B.2 BLM_S; SB_CRES Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Closed-cone coniferous forest, Coastal scrub, Riparian scrub Rocky (usually), Streambanks (often) 10 790 35 2590 2004-01-01 Photo of Monardella stoneana
© 2010 Anna Bennett
Eriogonum spectabile Barron's buckwheat Polygonaceae perennial evergreen shrub Jul-Sep None None G1 S1 1B.1 USFS_S Insufficient population/stand size, Logging Upper montane coniferous forest Rocky (sometimes), Sandy (sometimes) 2010 2050 6595 6725 Yes 2004-01-01
No Photo Available
Eriogonum ovalifolium var. monarchense Monarch buckwheat Polygonaceae perennial herb Jun-Aug None None G5T1 S1 1B.1 USFS_S Insufficient population/stand size, Non-native plant impacts Mojavean desert scrub, Pinyon and juniper woodland Carbonate, Rocky (sometimes), Sandy (sometimes) 1800 1815 5905 5955 Yes 2004-01-01
No Photo Available
Taraxacum ceratophorum horned dandelion Asteraceae annual herb Jun-Jul(Aug) None None G5 S1 2B.1 Alpine boulder and rock field, Meadows and seeps, Valley and foothill grassland (mesic) Carbonate (sometimes) 2895 3610 9500 11845 2004-01-01 Photo of Taraxacum ceratophorum
© 2016 Steve Matson
Centromadia parryi ssp. parryi pappose tarplant Asteraceae annual herb May-Nov None None G3T2 S2 1B.2 BLM_S Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Landfill, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Coastal prairie, Marshes and swamps (coastal salt), Meadows and seeps, Valley and foothill grassland (vernally mesic) Alkaline (often) 0 420 0 1380 Yes 2004-01-01 Photo of Centromadia parryi ssp. parryi
© 2016 John Doyen
Eleocharis torticulmis California twisted spikerush Cyperaceae perennial rhizomatous herb Jun-Jul None None G1 S1 1B.3 USFS_S Foot traffic/trampling Bogs and fens, Lower montane coniferous forest, Meadows and seeps 1005 1175 3295 3855 Yes 2004-01-01
No Photo Available
Fritillaria gentneri Gentner's fritillary Liliaceae perennial bulbiferous herb Apr-May FE None G2 S1 1B.1 Chaparral, Cismontane woodland, Lower montane coniferous forest Serpentine (sometimes) 1005 2970 3295 9745 2004-01-01 Photo of Fritillaria gentneri
© 2013 Scot Loring
Arctostaphylos catalinae Santa Catalina Island manzanita Ericaceae perennial evergreen shrub (Feb)Mar-Apr(May) None None G2? S2? 1B.2 IUCN_VU; SB_CalBG/RSABG Grazing, Non-native animal impacts Chaparral (volcanic) 75 600 245 1970 Yes 1974-01-01 Photo of Arctostaphylos catalinae
© 2020 Zoya Akulova
Arctostaphylos confertiflora Santa Rosa Island manzanita Ericaceae perennial evergreen shrub Feb-Apr FE None G2 S2 1B.2 SB_CalBG/RSABG; SB_SBBG; SB_USDA Erosion/runoff Broadleafed upland forest, Chaparral, Closed-cone coniferous forest Rocky, Sandstone 40 500 130 1640 Yes 1974-01-01 Photo of Arctostaphylos confertiflora
© 2006 Steve Matson
Arctostaphylos cruzensis Arroyo de la Cruz manzanita Ericaceae perennial evergreen shrub Dec-Mar None None G1G2 S1S2 1B.2 BLM_S; SB_SBBG; USFS_S Foot traffic/trampling, Grazing, Other, Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Closed-cone coniferous forest, Coastal bluff scrub, Coastal scrub, Valley and foothill grassland Sandy 60 310 195 1015 Yes 1974-01-01 Photo of Arctostaphylos cruzensis
© 2006 Steve Matson
Arctostaphylos densiflora Vine Hill manzanita Ericaceae perennial evergreen shrub Feb-Apr None CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Disease, Road/trail construction/maint. Chaparral (acid marine sand) 50 120 165 395 Yes 1974-01-01 Photo of Arctostaphylos densiflora
© 2006 Steve Matson
Arctostaphylos edmundsii Little Sur manzanita Ericaceae perennial evergreen shrub (May)Nov-Apr None None G2 S2 1B.2 SB_UCSC; USFS_S Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Road/trail construction/maint. Chaparral, Coastal bluff scrub Sandy 10 105 35 345 Yes 1974-01-01 Photo of Arctostaphylos edmundsii
© 2006 Steve Matson
Arctostaphylos glutinosa Schreiber's manzanita Ericaceae perennial evergreen shrub Mar-Apr(Nov) None None G1 S1 1B.2 SB_CalBG/RSABG; SB_UCSC; SB_USDA Development, Logging, Road/trail construction/maint. Chaparral, Closed-cone coniferous forest 170 685 560 2245 Yes 1974-01-01 Photo of Arctostaphylos glutinosa
© 2011 Neal Kramer
Arctostaphylos morroensis Morro manzanita Ericaceae perennial evergreen shrub Dec-Mar FT CC G1 S1 1B.1 SB_UCSC Development, Non-native plant impacts, ORV activity, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland, Coastal dunes (pre-Flandrian), Coastal scrub 5 205 15 675 Yes 1974-01-01 Photo of Arctostaphylos morroensis
© 2012 Jean Pawek
Arctostaphylos myrtifolia Ione manzanita Ericaceae perennial evergreen shrub Nov-Mar FT None G1 S1 1B.2 SB_UCBG Agriculture, Development, Disease, Grazing, Mining, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland Acidic, Clay (sometimes), Sandy (sometimes) 60 580 195 1905 Yes 1974-01-01 Photo of Arctostaphylos myrtifolia
© 2006 Steve Matson
Arctostaphylos nissenana Nissenan manzanita Ericaceae perennial evergreen shrub Feb-Mar None None G1 S1 1B.2 BLM_S; USFS_S Agriculture, Biocides, Development, Disease, Improper burning regime, Logging, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Closed-cone coniferous forest Rocky 450 1100 1475 3610 Yes 1974-01-01 Photo of Arctostaphylos nissenana
David Graber
Arctostaphylos otayensis Otay manzanita Ericaceae perennial evergreen shrub Jan-Apr None None G1 S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland 275 1700 900 5580 Yes 1974-01-01 Photo of Arctostaphylos otayensis
Zoya Akulova
Arctostaphylos pajaroensis Pajaro manzanita Ericaceae perennial evergreen shrub Dec-Mar None None G1 S1 1B.1 BLM_S; SB_UCSC Agriculture, Development, Disease, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (sandy) 30 760 100 2495 Yes 1974-01-01 Photo of Arctostaphylos pajaroensis
Lynn Overtree
Arctostaphylos pallida pallid manzanita Ericaceae perennial evergreen shrub Dec-Mar FT CE G1 S1 1B.1 SB_CalBG/RSABG Biocides, Development, Disease, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub Gravelly (sometimes), Sandy (sometimes) 185 465 605 1525 Yes 1974-01-01 Photo of Arctostaphylos pallida
Neal Kramer
Arctostaphylos pechoensis Pecho manzanita Ericaceae perennial evergreen shrub Nov-Mar None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Chaparral, Closed-cone coniferous forest, Coastal scrub 125 850 410 2790 Yes 1974-01-01 Photo of Arctostaphylos pechoensis
© 2015 Chris Winchell
Arctostaphylos pilosula Santa Margarita manzanita Ericaceae perennial evergreen shrub Dec-May None None G2? S2? 1B.2 BLM_S; SB_SBBG; USFS_S Agriculture, Dam/Inundation, Development, Erosion/runoff, Grazing, Hybridization, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland, Closed-cone coniferous forest Sandstone (sometimes) 75 1100 245 3610 Yes 1974-01-01 Photo of Arctostaphylos pilosula
© 2006 Steve Matson
Arctostaphylos pumila sandmat manzanita Ericaceae perennial evergreen shrub Feb-May None None G1 S1 1B.2 BLM_S; SB_SBBG Biocides, Development, Disease, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland, Closed-cone coniferous forest, Coastal dunes, Coastal scrub Openings, Sandy 3 205 10 675 Yes 1974-01-01 Photo of Arctostaphylos pumila
© 2006 Steve Matson
Arctostaphylos manzanita ssp. laevigata Contra Costa manzanita Ericaceae perennial evergreen shrub Jan-Mar(Apr) None None G5T2 S2 1B.2 SB_UCSC Biocides, Improper burning regime, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (rocky) 430 1100 1410 3610 Yes 1984-01-01 Photo of Arctostaphylos manzanita ssp. laevigata
© 2019 Susan McDougall
Arctostaphylos purissima La Purisima manzanita Ericaceae perennial evergreen shrub Nov-May None None G2 S2 1B.1 SB_CalBG/RSABG; SB_USDA Development, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Military operations, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral (sandy), Coastal scrub 60 390 195 1280 Yes 1988-01-01 Photo of Arctostaphylos purissima
© 2012 Neal Kramer
Arctostaphylos refugioensis Refugio manzanita Ericaceae perennial evergreen shrub (May)Dec-Mar None None G3 S3 1B.2 SB_SBBG; USFS_S Development, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (sandstone) 274 820 900 2690 Yes 1974-01-01 Photo of Arctostaphylos refugioensis
© 2018 Susan McDougall
Arctostaphylos rudis sand mesa manzanita Ericaceae perennial evergreen shrub Nov-Feb None None G2 S2 1B.1 BLM_S; SB_SBBG Development, Grazing, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (maritime), Coastal scrub Sandy 25 322 80 1055 Yes 1980-01-01 Photo of Arctostaphylos rudis
© 2022 David J. Keil
Arctostaphylos silvicola Bonny Doon manzanita Ericaceae perennial evergreen shrub Jan-Mar None None G1 S1 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Closed-cone coniferous forest, Lower montane coniferous forest 120 600 395 1970 Yes 1974-01-01 Photo of Arctostaphylos silvicola
© 2023 Dylan Neubauer
Arctostaphylos stanfordiana ssp. raichei Raiche's manzanita Ericaceae perennial evergreen shrub Feb-Apr None None G3T2 S2 1B.1 BLM_S; SB_CalBG/RSABG; SB_USDA Mining, ORV activity, Road/trail construction/maint. Chaparral, Lower montane coniferous forest (openings) Rocky, Serpentine (often) 450 1035 1475 3395 Yes 1988-01-01 Photo of Arctostaphylos stanfordiana ssp. raichei
© 2018 Susan McDougall
Calochortus longebarbatus var. longebarbatus long-haired star-tulip Liliaceae perennial bulbiferous herb Jun-Aug(Sep) None None G4T3 S3 1B.2 BLM_S; SB_BerrySB; USFS_S Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion Great Basin scrub, Lower montane coniferous forest (openings, drainages), Meadows and seeps, Vernal pools Clay, Mesic 1005 1900 3295 6235 1974-01-01 Photo of Calochortus longebarbatus var. longebarbatus
©2020 John Doyen
Calochortus monanthus single-flowered mariposa-lily Liliaceae perennial bulbiferous herb Jun None None GX SX 1A BLM_S Grazing, Non-native plant impacts Meadows and seeps 745 800 2445 2625 Yes 1974-01-01
No Photo Available
Calochortus obispoensis San Luis mariposa-lily Liliaceae perennial bulbiferous herb May-Jul None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland Serpentine (often) 50 730 165 2395 Yes 1974-01-01 Photo of Calochortus obispoensis
© 2011 Chris Winchell
Calochortus palmeri var. munzii San Jacinto mariposa-lily Liliaceae perennial bulbiferous herb Apr-Jul None None G3T3 S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Lower montane coniferous forest, Meadows and seeps 855 2200 2805 7220 Yes 1974-01-01 Photo of Calochortus palmeri var. munzii
© 2012 Keir Morse
Calochortus persistens Siskiyou mariposa-lily Liliaceae perennial bulbiferous herb Jun-Jul None CR G2 S2 1B.2 BLM_S; SB_BerrySB; USFS_S Foot traffic/trampling, Improper burning regime, Logging, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint. Lower montane coniferous forest, North Coast coniferous forest Acidic, Rocky 1000 1860 3280 6105 1974-01-01 Photo of Calochortus persistens
©2014 Scot Loring
Calochortus pulchellus Mt. Diablo fairy-lantern Liliaceae perennial bulbiferous herb Apr-Jun None None G2 S2 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Non-native plant impacts, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Riparian woodland, Valley and foothill grassland 30 840 100 2755 Yes 1974-01-01 Photo of Calochortus pulchellus
© 1981 Steve Lowens
Calochortus raichei Cedars fairy-lantern Liliaceae perennial bulbiferous herb May-Aug None None G2 S2 1B.2 BLM_S; SB_UCSC Road/trail construction/maint. Chaparral, Closed-cone coniferous forest Serpentine 200 490 655 1610 Yes 1988-01-01 Photo of Calochortus raichei
© 2013 Barry Rice
Calochortus simulans La Panza mariposa-lily Liliaceae perennial bulbiferous herb Apr-Jun None None G2 S2 1B.3 BLM_S; SB_CRES; SB_SBBG; USFS_S Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland Granitic (often), Sandy, Serpentine (sometimes) 325 1150 1065 3775 Yes 1980-01-01 Photo of Calochortus simulans
© 2011 Aaron E. Sims
Calochortus striatus alkali mariposa-lily Liliaceae perennial bulbiferous herb Apr-Jun None None G3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Agriculture, Dam/Inundation, Development, Foot traffic/trampling, Grazing, Groundwater pumping, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Chaparral, Chenopod scrub, Meadows and seeps, Mojavean desert scrub Alkaline, Mesic 70 1595 230 5235 1974-01-01
No Photo Available
Calochortus tiburonensis Tiburon mariposa-lily Liliaceae perennial bulbiferous herb Mar-Jun FT CT G1 S1 1B.1 SB_UCBG Foot traffic/trampling, Non-native plant impacts Valley and foothill grassland (serpentinite) 50 150 165 490 Yes 1974-01-01 Photo of Calochortus tiburonensis
© 2016 Steve Matson
Calochortus westonii Shirley Meadows star-tulip Liliaceae perennial bulbiferous herb May-Jun None None G3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCSC; USFS_S Development, Foot traffic/trampling, Grazing, Improper burning regime, Logging, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Lower montane coniferous forest, Meadows and seeps Granitic 1500 2105 4920 6905 Yes 1974-01-01
No Photo Available
Calycadenia hooveri Hoover's calycadenia Asteraceae annual herb Jul-Sep None None G2 S2 1B.3 BLM_S Agriculture, Development, Grazing, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland Rocky 65 300 215 985 Yes 1980-01-01
No Photo Available
Calyptridium parryi var. hesseae Santa Cruz Mountains pussypaws Montiaceae annual herb May-Aug None None G3G4T2 S2 1B.1 BLM_S; SB_UCBG Development, Non-native plant impacts, ORV activity, Other Chaparral, Cismontane woodland Gravelly (sometimes), Openings, Sandy (sometimes) 305 1530 1000 5020 Yes 1984-01-01
No Photo Available
Calyptridium pulchellum Mariposa pussypaws Montiaceae annual herb Apr-Aug FT None G1 S1 1B.1 Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland Granitic, Gravelly (sometimes), Sandy (sometimes) 400 1100 1310 3610 Yes 1980-01-01 Photo of Calyptridium pulchellum
© 2007 Chris Winchell
Abies amabilis Pacific silver fir Pinaceae perennial evergreen tree None None G5 S2 2B.3 IUCN_LC Improper burning regime, Other Upper montane coniferous forest 1700 2195 5580 7200 1974-01-01 Photo of Abies amabilis
© 2021 Scot Loring
Abies bracteata bristlecone fir Pinaceae perennial evergreen tree None None G2G3 S2S3 1B.3 IUCN_NT; SB_CalBG/RSABG; USFS_S Improper burning regime, Military operations, Other, Road/trail construction/maint., Surface water diversion, Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Lower montane coniferous forest, Riparian woodland Rocky 183 1555 600 5100 Yes 1974-01-01 Photo of Abies bracteata
© 2019 Zoya Akulova
Abies lasiocarpa var. lasiocarpa subalpine fir Pinaceae perennial evergreen tree None None G5T5 S3 2B.3 Grazing Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest 945 2225 3100 7300 1974-01-01 Photo of Abies lasiocarpa var. lasiocarpa
©2021 Scot Loring
Abronia alpina Ramshaw Meadows abronia Nyctaginaceae perennial herb Jul-Aug None None G2 S2 1B.1 USFS_S Recreational use (non-ORV) Meadows and seeps (granitic, gravelly margins) Granitic, Gravelly, Sandy 2400 2700 7875 8860 Yes 1974-01-01 Photo of Abronia alpina
© 2004 James M. Andre
Abronia umbellata var. breviflora pink sand-verbena Nyctaginaceae annual herb Jun-Oct None None G4G5T2 S2 1B.1 BLM_S; SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal dunes 0 10 0 35 1988-01-01 Photo of Abronia umbellata var. breviflora
©2021 Scot Loring
Acanthomintha ilicifolia San Diego thorn-mint Lamiaceae annual herb Apr-Jun FT CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools Clay, Openings 10 960 35 3150 1974-01-01 Photo of Acanthomintha ilicifolia
© 2013 Keir Morse
Acanthomintha duttonii San Mateo thorn-mint Lamiaceae annual herb Apr-Jun FE CE G1 S1 1B.1 SB_UCBG Altered flood/tidal/hydrologic regime, Development, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Valley and foothill grassland Serpentine 50 300 165 985 Yes 1974-01-01 Photo of Acanthomintha duttonii
© 2011 Aaron Schusteff
Adolphia californica California adolphia Rhamnaceae perennial deciduous shrub Dec-May None None G3 S2 2B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Development, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland Clay 10 740 35 2430 1974-01-01 Photo of Adolphia californica
© 2007 Andrew Borcher
Agave shawii var. shawii Shaw's agave Agavaceae perennial leaf Sep-May None None G2G3T2T3 S1 2B.1 IUCN_EN; SB_CalBG/RSABG; SB_SBBG Development, Erosion/runoff, Foot traffic/trampling, Military operations, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Coastal bluff scrub, Coastal scrub 3 120 10 395 1974-01-01 Photo of Agave shawii var. shawii
©2017 Keir Morse
Agrostis blasdalei Blasdale's bent grass Poaceae perennial rhizomatous herb May-Jul None None G2G3 S2 1B.2 BLM_S; SB_UCSC Agriculture, Altered flood/tidal/hydrologic regime, Development, Disease, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub, Coastal dunes, Coastal prairie 0 150 0 490 Yes 1974-01-01 Photo of Agrostis blasdalei
© 2001 Doreen L. Smith
Agrostis hooveri Hoover's bent grass Poaceae perennial herb Apr-Jul None None G2 S2 1B.2 BLM_S; SB_SBBG; USFS_S Development, Grazing, Mining, Non-native plant impacts, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Closed-cone coniferous forest, Valley and foothill grassland Sandy (usually) 6 610 20 2000 Yes 1974-01-01 Photo of Agrostis hooveri
2017 Adonis (Don) Tate
Agrostis humilis mountain bent grass Poaceae perennial herb Jul-Sep None None G4Q S2 2B.3 Foot traffic/trampling, Grazing, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Alpine boulder and rock field, Meadows and seeps, Subalpine coniferous forest Carbonate (sometimes) 2670 3200 8760 10500 1980-01-01 Photo of Agrostis humilis
© 2004 Steve Matson
Allium munzii Munz's onion Alliaceae perennial bulbiferous herb Mar-May FE CT G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Pinyon and juniper woodland, Valley and foothill grassland Clay, Mesic 297 1070 975 3510 Yes 1980-01-01 Photo of Allium munzii
© 2003 Guy Bruyea
Allium sharsmithiae Sharsmith's onion Alliaceae perennial bulbiferous herb Mar-May None None G2 S2 1B.3 BLM_S Feral pigs, Mining, Over-collecting/poaching, Road/trail construction/maint. Chaparral, Cismontane woodland Rocky, Serpentine 400 1200 1310 3935 Yes 1980-01-01 Photo of Allium sharsmithiae
© 2017 John Doyen
Allium hickmanii Hickman's onion Alliaceae perennial bulbiferous herb Mar-May None None G2 S2 1B.2 BLM_S; SB_SBBG; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Military operations, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (maritime), Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland 5 200 15 655 Yes 1974-01-01 Photo of Allium hickmanii
© 2017 Dylan Neubauer
Allium howellii var. clokeyi Mt. Pinos onion Alliaceae perennial bulbiferous herb Apr-Jun None None G3G4T2 S2 1B.3 SB_SBBG; USFS_S Development, Grazing, ORV activity, Wood cutting or brush clearing Great Basin scrub, Meadows and seeps (edges), Pinyon and juniper woodland 1300 1850 4265 6070 Yes 1974-01-01 Photo of Allium howellii var. clokeyi
© 2016 Keir Morse
Allium tuolumnense Rawhide Hill onion Alliaceae perennial bulbiferous herb Mar-May None None G2 S2 1B.2 BLM_S Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland (serpentinite) 300 600 985 1970 Yes 1980-01-01 Photo of Allium tuolumnense
© 2010 Steven Perry
Allium shevockii Spanish Needle onion Alliaceae perennial bulbiferous herb May-Jun None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG Development, Grazing, Other, Recreational use (non-ORV), Road/trail construction/maint. Pinyon and juniper woodland, Upper montane coniferous forest Rocky 850 2500 2790 8205 Yes 1988-01-01 Photo of Allium shevockii
© 2009 Aaron Schusteff
Allium tribracteatum three-bracted onion Alliaceae perennial bulbiferous herb Apr-Aug None None G2 S2 1B.2 SB_SBBG; USFS_S Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Volcanic 1100 3000 3610 9845 Yes 1988-01-01 Photo of Allium tribracteatum
© 2018 Sierra Pacific Industries
Allium yosemitense Yosemite onion Alliaceae perennial bulbiferous herb Apr-Jul None CR G3 S3 1B.3 SB_UCSC; USFS_S Erosion/runoff, Mining, Other, Recreational use (non-ORV), Road/trail construction/maint. Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest Granitic (sometimes), Metamorphic (sometimes), Rocky 535 2200 1755 7220 Yes 1974-01-01 Photo of Allium yosemitense
© 2012 Lynn Robertson
Alopecurus aequalis var. sonomensis Sonoma alopecurus Poaceae perennial herb May-Jul FE None G5T1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Other Marshes and swamps (freshwater), Riparian scrub 5 365 15 1200 Yes 1974-01-01 Photo of Alopecurus aequalis var. sonomensis
© 2013 Vernon Smith
Ambrosia chenopodiifolia San Diego bur-sage Asteraceae perennial shrub Apr-Jun None None G2G3 S1 2B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Coastal scrub 55 155 180 510 1974-01-01 Photo of Ambrosia chenopodiifolia
© 2020 Keir Morse
Arctostaphylos hookeri ssp. hearstiorum Hearsts' manzanita Ericaceae perennial evergreen shrub Feb-Apr None CE G3T2 S2? 1B.2 Foot traffic/trampling, Grazing, Hybridization Chaparral (maritime), Coastal prairie, Coastal scrub, Valley and foothill grassland Sandy 55 200 180 655 Yes 1974-01-01 Photo of Arctostaphylos hookeri ssp. hearstiorum
© 2006 Steve Matson
Arctostaphylos hookeri ssp. hookeri Hooker's manzanita Ericaceae perennial evergreen shrub Jan-Jun None None G3T2 S2 1B.2 BLM_S; SB_UCSC Agriculture, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub Sandy 46 536 150 1760 Yes 1984-01-01 Photo of Arctostaphylos hookeri ssp. hookeri
© 2011 Chris Winchell
Arctostaphylos montana ssp. ravenii Presidio manzanita Ericaceae perennial evergreen shrub Feb-Mar FE CE G3T1 S1 1B.1 Development, Disease, Foot traffic/trampling, Insufficient population/stand size, Non-native plant impacts Chaparral, Coastal prairie, Coastal scrub Serpentine 45 215 150 705 Yes 1980-01-01 Photo of Arctostaphylos montana ssp. ravenii
© 2019 Susan McDougall
Arctostaphylos imbricata San Bruno Mountain manzanita Ericaceae perennial evergreen shrub Feb-May None CE G1 S1 1B.1 ORV activity, Other Chaparral, Coastal scrub Rocky 275 370 900 1215 Yes 1974-01-01 Photo of Arctostaphylos imbricata
© 2013 Robert Sikora
Arctostaphylos klamathensis Klamath manzanita Ericaceae perennial evergreen shrub May-Aug None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Biocides, Improper burning regime, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (montane), Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Gabbroic (sometimes), Rocky, Serpentine (sometimes) 1370 2250 4495 7380 Yes 1984-01-01 Photo of Arctostaphylos klamathensis
©2014 Dean Wm. Taylor
Arctostaphylos luciana Santa Lucia manzanita Ericaceae perennial evergreen shrub Dec-Mar None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCSC; USFS_S Chaparral, Cismontane woodland Shale 350 850 1150 2790 Yes 1974-01-01 Photo of Arctostaphylos luciana
© 2011 David Graber
Arctostaphylos montana ssp. montana Mt. Tamalpais manzanita Ericaceae perennial evergreen shrub Feb-Apr None None G3T3 S3 1B.3 SB_UCBG Improper burning regime, Non-native plant impacts, Road/trail construction/maint. Chaparral, Valley and foothill grassland Rocky, Serpentine 160 760 525 2495 Yes 1974-01-01 Photo of Arctostaphylos montana ssp. montana
© 2018 John Doyen
Arctostaphylos montaraensis Montara manzanita Ericaceae perennial evergreen shrub Jan-Mar None None G1 S1 1B.2 SB_CalBG/RSABG; SB_USDA Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Coastal scrub 80 500 260 1640 Yes 1974-01-01 Photo of Arctostaphylos montaraensis
© 2016 Neal Kramer
Arctostaphylos montereyensis Toro manzanita Ericaceae perennial evergreen shrub Feb-Mar None None G2? S2? 1B.2 BLM_S; SB_SBBG Development, Non-native plant impacts Chaparral (maritime), Cismontane woodland, Coastal scrub Sandy 30 730 100 2395 Yes 1974-01-01 Photo of Arctostaphylos montereyensis
© 2018 Susan McDougall
Arctostaphylos stanfordiana ssp. decumbens Rincon Ridge manzanita Ericaceae perennial evergreen shrub Feb-Apr(May) None None G3T1 S1 1B.1 SB_UCSC Agriculture, Development, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (rhyolitic), Cismontane woodland 75 370 245 1215 Yes 1984-01-01 Photo of Arctostaphylos stanfordiana ssp. decumbens
© 2023 Zoya Akulova
Arctostaphylos crustacea ssp. eastwoodiana Eastwood's brittle-leaf manzanita Ericaceae perennial evergreen shrub Mar None None G4T2 S2 1B.1 Development, Improper burning regime Chaparral (maritime, sandy) 90 365 295 1200 Yes 1988-01-01 Photo of Arctostaphylos crustacea ssp. eastwoodiana
© 2006 Adonis (Don) Tate
Arctostaphylos virgata Marin manzanita Ericaceae perennial evergreen shrub Jan-Mar None None G2 S2 1B.2 SB_CalBG/RSABG; SB_USDA Erosion/runoff, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Closed-cone coniferous forest, North Coast coniferous forest Granitic (sometimes), Sandstone (sometimes) 60 700 195 2295 Yes 1974-01-01 Photo of Arctostaphylos virgata
© 2024 Vernon Smith
Calochortus clavatus var. avius Pleasant Valley mariposa-lily Liliaceae perennial bulbiferous herb May-Jul None None G4T2T3 S2S3 1B.2 BLM_S; SB_SBBG; USFS_S Agriculture, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Lower montane coniferous forest (Josephine silt loam, volcanic) 305 1800 1000 5905 Yes 1980-01-01 Photo of Calochortus clavatus var. avius
© 2023 Sierra Pacific Industries
Calochortus dunnii Dunn's mariposa-lily Liliaceae perennial bulbiferous herb (Feb)Apr-Jun None CR G3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Development, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Closed-cone coniferous forest, Valley and foothill grassland Gabbroic (sometimes), Rocky 185 1830 605 6005 1974-01-01 Photo of Calochortus dunnii
© 2015 Keir Morse
Calochortus excavatus Inyo County star-tulip Liliaceae perennial bulbiferous herb Apr-Jul None None G2 S2 1B.1 BLM_S; SB_SBBG; USFS_S Grazing, Groundwater pumping, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chenopod scrub, Meadows and seeps Alkaline, Mesic 1150 2000 3775 6560 Yes 1974-01-01 Photo of Calochortus excavatus
© 2017 Aaron Schusteff
Calochortus greenei Greene's mariposa-lily Liliaceae perennial bulbiferous herb Jun-Aug None None G3 S2S3 1B.2 BLM_S; SB_BerrySB; USFS_S Development, Feral pigs, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Cismontane woodland, Meadows and seeps, Pinyon and juniper woodland, Upper montane coniferous forest Volcanic 1035 1890 3395 6200 1974-01-01 Photo of Calochortus greenei
© 2013 Scot Loring
Calystegia stebbinsii Stebbins' morning-glory Convolvulaceae perennial rhizomatous herb Apr-Jul FE CE G1 S1 1B.1 SB_CalBG/RSABG Biocides, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Landfill, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (openings), Cismontane woodland Gabbroic (sometimes), Seeps (sometimes) 185 1090 605 3575 Yes 1980-01-01 Photo of Calystegia stebbinsii
Steven Perry
Camissonia benitensis San Benito evening-primrose Onagraceae annual herb Apr-Jun FD None G2 S2 1B.1 BLM_S; SB_SBBG; SB_UCBG Altered flood/tidal/hydrologic regime, Development, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland Carbonate (sometimes), Gravelly (sometimes), Serpentine 600 1280 1970 4200 Yes 1974-01-01 Photo of Camissonia benitensis
© 2005 David A Tharp
Collomia larsenii talus collomia Polemoniaceae perennial rhizomatous herb Jul-Sep(Oct) None None G5T4 S2 2B.2 USFS_S Foot traffic/trampling, Road/trail construction/maint. Alpine boulder and rock field, Closed-cone coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Talus, Volcanic 2210 3500 7250 11485 1980-01-01 Photo of Collomia larsenii
© 2009 Leigh Johnson
Collomia rawsoniana Rawson's flaming trumpet Polemoniaceae perennial rhizomatous herb Jul-Aug None None G2 S2 1B.2 SB_SBBG; USFS_S Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Meadows and seeps, Riparian forest Mesic 780 2200 2560 7220 Yes 1974-01-01
No Photo Available
Colubrina californica Las Animas colubrina Rhamnaceae perennial deciduous shrub Apr-Jun None None G4 S2S3 2B.3 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Non-native plant impacts, ORV activity Mojavean desert scrub, Sonoran desert scrub 10 1000 35 3280 1980-01-01
No Photo Available
Comarostaphylis diversifolia ssp. diversifolia summer holly Ericaceae perennial evergreen shrub Apr-Jun None None G3T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Improper burning regime, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland 30 790 100 2590 1980-01-01
No Photo Available
Cordylanthus capitatus Yakima bird's-beak Orobanchaceae annual herb (hemiparasitic) Jul-Sep None None G4 S2 2B.2 Grazing, Logging, ORV activity, Recreational use (non-ORV) Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland 1800 2377 5905 7800 1974-01-01
No Photo Available
Pseudorontium cyathiferum Deep Canyon snapdragon Plantaginaceae annual herb Feb-Apr None None G4G5 S1 2B.3 Sonoran desert scrub (rocky) 0 800 0 2625 1980-01-01
No Photo Available
Dudleya abramsii ssp. affinis San Bernardino Mountains dudleya Crassulaceae perennial herb Apr-Jul None None G4T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Pebble (Pavement) plain, Pinyon and juniper woodland, Upper montane coniferous forest Carbonate (sometimes), Granitic (sometimes) 1250 2600 4100 8530 Yes 1988-01-01
No Photo Available
Dudleya abramsii ssp. murina mouse-gray dudleya Crassulaceae perennial leaf May-Jun None None G4T2 S2 1B.1 BLM_S; SB_CalBG/RSABG Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, Other, Over-collecting/poaching, Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland Serpentine 90 525 295 1725 Yes 1980-01-01 Photo of Dudleya abramsii ssp. murina
Chris Winchell
Dudleya attenuata ssp. attenuata Orcutt's dudleya Crassulaceae perennial herb May-Jul None None G4T1T2 S1 2B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, Military operations, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Coastal bluff scrub, Coastal scrub Gravelly (sometimes), Rocky (sometimes) 3 50 10 165 1974-01-01
No Photo Available
Dudleya abramsii ssp. bettinae Betty's dudleya Crassulaceae perennial herb May-Jul None None G4T2 S2 1B.2 SB_CalBG/RSABG Development, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Coastal scrub, Valley and foothill grassland Rocky, Serpentine 20 180 65 590 Yes 1980-01-01
No Photo Available
Centromadia parryi ssp. australis southern tarplant Asteraceae annual herb May-Nov None None G3T2 S2 1B.1 SB_CalBG/RSABG; SB_CRES; SB_SBBG Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Hybridization, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Waterway bank protection/maintenance, Wood cutting or brush clearing Marshes and swamps (margins), Valley and foothill grassland (vernally mesic), Vernal pools 0 480 0 1575 1994-01-01
No Photo Available
Hemizonia congesta ssp. congesta congested-headed hayfield tarplant Asteraceae annual herb Apr-Nov None None G5T2 S2 1B.2 SB_UCBG Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Valley and foothill grassland Roadsides (sometimes) 20 560 65 1835 Yes 1988-01-01 Photo of Hemizonia congesta ssp. congesta
© 2015 Vernon Smith
Deinandra conjugens Otay tarplant Asteraceae annual herb (Apr)May-Jun FT CE G1G2 S1 1B.1 SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Coastal scrub, Valley and foothill grassland Clay 25 300 80 985 1974-01-01
No Photo Available
Deinandra floribunda Tecate tarplant Asteraceae annual herb Aug-Oct None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; SB_USDA; USFS_S Development, Grazing, Road/trail construction/maint. Chaparral, Coastal scrub 70 1220 230 4005 1974-01-01
No Photo Available
Deinandra halliana Hall's tarplant Asteraceae annual herb (Mar)Apr-May None None G3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chenopod scrub, Cismontane woodland, Valley and foothill grassland Alkaline (sometimes), Clay 260 950 855 3115 Yes 1974-01-01
No Photo Available
Carex idahoa Idaho sedge Cyperaceae perennial rhizomatous herb Jul None None G3 S1 2B.3 Meadows and seeps, Subalpine coniferous forest 2850 3200 9350 10500 1988-01-01
No Photo Available
Carex petasata Liddon's sedge Cyperaceae perennial herb May-Jul None None G5 S3 2B.3 Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Wood cutting or brush clearing Broadleafed upland forest, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland 600 3320 1970 10895 1984-01-01 Photo of Carex petasata
©2019 Sierra Pacific Industries
Carex praticola northern meadow sedge Cyperaceae perennial herb May-Jul None None G5 S2 2B.2 Grazing, Logging Meadows and seeps (mesic) 0 3200 0 10500 1984-01-01 Photo of Carex praticola
©2013 Scot Loring
Carex sheldonii Sheldon's sedge Cyperaceae perennial rhizomatous herb May-Aug None None G4 S2 2B.2 Altered flood/tidal/hydrologic regime, Dam/Inundation, Degraded water quality, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest (mesic), Marshes and swamps (freshwater), Riparian scrub 1200 2012 3935 6600 1980-01-01 Photo of Carex sheldonii
©2015 Steve Matson
Carpenteria californica tree-anemone Hydrangeaceae perennial evergreen shrub (Apr)May-Jul None CT G1G2 S1S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCBG; USFS_S Dam/Inundation, Development, Grazing, Improper burning regime, Logging, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland Granitic (usually) 340 1340 1115 4395 Yes 1974-01-01
No Photo Available
Clarkia delicata delicate clarkia Onagraceae annual herb Apr-Jun None None G3 S3 1B.2 BLM_S; SB_CRES Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland Gabbroic (often) 235 1000 770 3280 1974-01-01
No Photo Available
Clarkia franciscana Presidio clarkia Onagraceae annual herb May-Jul FE CE G1 S1 1B.1 SB_UCBG Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal scrub, Valley and foothill grassland (serpentinite) 25 335 80 1100 Yes 1974-01-01
No Photo Available
Clarkia imbricata Vine Hill clarkia Onagraceae annual herb Jun-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Development, Hybridization, Non-native plant impacts, Other, Over-collecting/poaching, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Valley and foothill grassland Acidic, Loam, Sandy 50 75 165 245 Yes 1974-01-01
No Photo Available
Clarkia jolonensis Jolon clarkia Onagraceae annual herb Apr-Jun None None G2 S2 1B.2 SB_SBBG; USFS_S Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland 20 660 65 2165 Yes 1980-01-01
No Photo Available
Clarkia lingulata Merced clarkia Onagraceae annual herb May-Jun None CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG; USFS_S Biocides, Erosion/runoff, Grazing, Non-native plant impacts, Road/trail construction/maint. Chaparral, Cismontane woodland 400 455 1310 1495 Yes 1974-01-01
No Photo Available
Clarkia mildrediae ssp. mildrediae Mildred's clarkia Onagraceae annual herb May-Aug None None G3T3? S3? 1B.3 BLM_S; SB_UCSC; USFS_S Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest Granitic (usually), Sandy 245 1710 805 5610 Yes 1974-01-01
No Photo Available
Clarkia mosquinii Mosquin's clarkia Onagraceae annual herb May-Jul(Sep) None None G2 S2 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Biocides, Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland, Lower montane coniferous forest Roadsides, Rocky 185 1490 605 4890 Yes 1980-01-01 Photo of Clarkia mosquinii
© 2002 Dean Wm Taylor
Clarkia rostrata beaked clarkia Onagraceae annual herb Apr-May None None G2G3 S2S3 1B.3 BLM_S; SB_CalBG/RSABG; SB_UCBG Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland 60 500 195 1640 Yes 1974-01-01
No Photo Available
Clarkia speciosa ssp. immaculata Pismo clarkia Onagraceae annual herb May-Jul FE CR G4T1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (margins, openings), Cismontane woodland, Valley and foothill grassland Sandy 25 185 80 605 Yes 1980-01-01 Photo of Clarkia speciosa ssp. immaculata
Aaron Schusteff
Clarkia springvillensis Springville clarkia Onagraceae annual herb (Mar)Apr-Jul FT CE G2 S2 1B.2 SB_UCSC Biocides, Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Wood cutting or brush clearing Chaparral, Cismontane woodland, Valley and foothill grassland Granitic 245 1220 805 4005 Yes 1980-01-01
No Photo Available
Clarkia tembloriensis ssp. calientensis Vasek's clarkia Onagraceae annual herb Apr None None G3T1 S1 1B.1 BLM_S; SB_CalBG/RSABG Grazing, Non-native plant impacts, Road/trail construction/maint. Valley and foothill grassland 275 500 900 1640 Yes 1980-01-01
No Photo Available
Dudleya blochmaniae ssp. insularis Santa Rosa Island dudleya Crassulaceae perennial herb Mar-Apr None None G2T1 S1 1B.1 Coastal bluff scrub 3 10 10 35 Yes 1974-01-01
No Photo Available
Chloropyron maritimum ssp. maritimum salt marsh bird's-beak Orobanchaceae annual herb (hemiparasitic) May-Oct(Nov) FE CE G4?T1 S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; SB_SBBG Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Coastal dunes, Marshes and swamps (coastal salt) 0 30 0 100 1974-01-01
No Photo Available
Chloropyron maritimum ssp. palustre Point Reyes salty bird's-beak Orobanchaceae annual herb (hemiparasitic) Jun-Oct None None G4?T2 S2 1B.2 BLM_S; SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Degraded water quality, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Marshes and swamps (coastal salt) 0 10 0 35 1974-01-01 Photo of Chloropyron maritimum ssp. palustre
©2017 John Doyen
Chloropyron molle ssp. hispidum hispid salty bird's-beak Orobanchaceae annual herb (hemiparasitic) Jun-Sep None None G2T1 S1 1B.1 BLM_S Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Playas, Valley and foothill grassland Alkaline 1 155 5 510 Yes 1974-01-01
No Photo Available
Chloropyron molle ssp. molle soft salty bird's-beak Orobanchaceae annual herb (hemiparasitic) Jun-Nov FE CR G2T1 S1 1B.2 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Channelization, Development, Disking, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Military operations, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Marshes and swamps (coastal salt) 0 3 0 10 Yes 1974-01-01 Photo of Chloropyron molle ssp. molle
© 2014 John Doyen
Cordylanthus nidularius Mt. Diablo bird's-beak Orobanchaceae annual herb (hemiparasitic) Jun-Aug None CR G1 S1 1B.1 SB_UCBG Feral pigs, Foot traffic/trampling, Road/trail construction/maint. Chaparral (serpentinite) 600 800 1970 2625 Yes 1974-01-01
No Photo Available
Dicranostegia orcuttiana Orcutt's bird's-beak Orobanchaceae annual herb (hemiparasitic) (Mar)Apr-Jul(Sep) None None G3 S1 2B.1 SB_CRES Development, Mining, Non-native plant impacts, Road/trail construction/maint. Coastal scrub 10 350 35 1150 1974-01-01
No Photo Available
Aphanisma blitoides aphanisma Chenopodiaceae annual herb Feb-Jun None None G3G4 S2 1B.2 SB_CRES; SB_SBBG Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Coastal bluff scrub, Coastal dunes, Coastal scrub Gravelly (sometimes), Sandy (sometimes) 1 305 5 1000 1980-01-01 Photo of Aphanisma blitoides
© 2010 Larry Sward
Arabis aculeolata Waldo rockcress Brassicaceae perennial herb Apr-Jun None None G4 S2 2B.2 SB_BerrySB Erosion/runoff, Logging Broadleafed upland forest, Lower montane coniferous forest, Upper montane coniferous forest Serpentine 410 1800 1345 5905 1980-01-01 Photo of Arabis aculeolata
© 2020 John Doyen
Boechera bodiensis Bodie Hills rockcress Brassicaceae perennial herb Jun-Jul(Aug) None None G3 S3 1B.3 BLM_S; USFS_S Foot traffic/trampling, Grazing, Mining, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Alpine boulder and rock field, Great Basin scrub, Pinyon and juniper woodland, Subalpine coniferous forest 2085 3530 6840 11580 1984-01-01
No Photo Available
Boechera peirsonii San Bernardino rockcress Brassicaceae perennial herb Mar-Aug None None G1 S1 1B.2 SB_CalBG/RSABG; USFS_S Erosion/runoff, Foot traffic/trampling, Over-collecting/poaching, Recreational use (non-ORV) Subalpine coniferous forest (rocky) 2700 3200 8860 10500 Yes 1980-01-01
No Photo Available
Boechera cobrensis Masonic rockcress Brassicaceae perennial herb Jun-Jul None None G5 S3 2B.3 Development, Foot traffic/trampling, Grazing, Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland Sandy 1375 3105 4510 10190 1974-01-01
No Photo Available
Boechera constancei Constance's rockcress Brassicaceae perennial herb May-Jul None None G2 S2 1B.1 USFS_S Biocides, Disease, Erosion/runoff, Improper burning regime, Logging, Mining, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Rocky, Serpentine 975 2025 3200 6645 Yes 1974-01-01
No Photo Available
Boechera hoffmannii Hoffmann's rockcress Brassicaceae perennial herb Feb-Apr FE None G1G2 S1S2 1B.1 SB_CalBG/RSABG; SB_SBBG Erosion/runoff, Grazing, Non-native plant impacts Chaparral, Coastal bluff scrub, Coastal scrub Rocky, Sandy, Volcanic 60 395 195 1295 Yes 1974-01-01
No Photo Available
Boechera johnstonii Johnston's rockcress Brassicaceae perennial herb Feb-Jun None None G1 S1 1B.2 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Lower montane coniferous forest Clay 1350 2150 4430 7055 Yes 1974-01-01
No Photo Available
Boechera koehleri Koehler's stipitate rockcress Brassicaceae perennial herb (Mar)Apr-Jul None None G3G4 S3 1B.3 USFS_S Erosion/runoff, Foot traffic/trampling, ORV activity, Other, Road/trail construction/maint. Chaparral, Lower montane coniferous forest Rocky, Serpentine 155 1660 510 5445 1988-01-01 Photo of Boechera koehleri
©2019 Dana York
Arabis mcdonaldiana McDonald's rockcress Brassicaceae perennial herb May-Jul FE CE G3 S3 1B.1 SB_BerrySB; SB_CalBG/RSABG Grazing, Mining, Other, Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest Serpentine 135 1800 445 5905 1974-01-01 Photo of Arabis mcdonaldiana
© 2003 Norman Jensen
Boechera parishii Parish's rockcress Brassicaceae perennial herb Apr-May None None G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Pebble (Pavement) plain, Pinyon and juniper woodland, Upper montane coniferous forest Carbonate (sometimes), Rocky 1770 2990 5805 9810 Yes 1974-01-01
No Photo Available
Boechera pinzliae Pinzl's rockcress Brassicaceae perennial herb Jul None None G1G2 S1 1B.3 USFS_S Alpine boulder and rock field, Subalpine coniferous forest (scree, sandy) 3000 3350 9845 10990 1988-01-01
No Photo Available
Boechera lincolnensis Lincoln rockcress Brassicaceae perennial herb Mar-May None None G4G5 S3 2B.3 BLM_S Chenopod scrub, Mojavean desert scrub Carbonate 1100 2705 3610 8875 1984-01-01
No Photo Available
Arabis rigidissima var. rigidissima Trinity Mountains rockcress Brassicaceae perennial herb Jun-Aug None None G3T2 S2 1B.3 Upper montane coniferous forest (gravelly, rocky) 1190 2200 3905 7220 Yes 1974-01-01 Photo of Arabis rigidissima var. rigidissima
©2015 Dana York
Boechera shockleyi Shockley's rockcress Brassicaceae perennial herb May-Jun None None G3 S2 2B.2 SB_CalBG/RSABG; USFS_S Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Pinyon and juniper woodland (carbonate, gravelly, quartzite, rocky) 875 2310 2870 7580 1974-01-01
No Photo Available
Boechera tiehmii Tiehm's rockcress Brassicaceae perennial herb Jul-Aug None None G3 S3 1B.3 SB_CalBG/RSABG; USFS_S Road/trail construction/maint. Alpine boulder and rock field (granitic) 2970 3590 9745 11780 1988-01-01
No Photo Available
Arctomecon merriamii white bear poppy Papaveraceae perennial herb (Mar)Apr-May None None G3 S3 2B.2 SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Military operations, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chenopod scrub, Mojavean desert scrub Rocky 490 1800 1610 5905 1980-01-01 Photo of Arctomecon merriamii
© 2010 James M. Andre
Arctostaphylos auriculata Mt. Diablo manzanita Ericaceae perennial evergreen shrub Jan-Mar None None G2 S2 1B.3 SB_UCSC Biocides, Development, Grazing, Improper burning regime, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (sandstone), Cismontane woodland 135 650 445 2135 Yes 1974-01-01 Photo of Arctostaphylos auriculata
© 2006 Steve Matson
Arctostaphylos bakeri ssp. bakeri Baker's manzanita Ericaceae perennial evergreen shrub Feb-Apr None CR G2T1 S1 1B.1 SB_UCSC Development, Grazing, Non-native plant impacts, Road/trail construction/maint., Vandalism/dumping/litter Broadleafed upland forest, Chaparral Serpentine (often) 75 300 245 985 Yes 1974-01-01 Photo of Arctostaphylos bakeri ssp. bakeri
© 2004 David Graber
Atriplex coronata var. notatior San Jacinto Valley crownscale Chenopodiaceae annual herb Apr-Aug FE None G4T1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Playas, Valley and foothill grassland (mesic), Vernal pools Alkaline 139 500 455 1640 Yes 1988-01-01 Photo of Atriplex coronata var. notatior
© 2008 Larry Sward
Atriplex parishii Parish's brittlescale Chenopodiaceae annual herb Jun-Oct None None G1G2 S1 1B.1 BLM_S; SB_CRES; USFS_S Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity Chenopod scrub, Playas, Vernal pools Alkaline 25 1900 80 6235 1988-01-01
No Photo Available
Extriplex joaquinana San Joaquin spearscale Chenopodiaceae annual herb Apr-Oct None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Agriculture, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Landfill, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance Chenopod scrub, Meadows and seeps, Playas, Valley and foothill grassland Alkaline 1 835 5 2740 Yes 1988-01-01
No Photo Available
Atriplex tularensis Bakersfield smallscale Chenopodiaceae annual herb Jun-Oct None CE GX SX 1A Agriculture, Groundwater pumping, Hybridization, Other Chenopod scrub 90 200 295 655 Yes 1974-01-01
No Photo Available
Atriplex coronata var. vallicola Lost Hills crownscale Chenopodiaceae annual herb Apr-Sep None None G4T3 S3 1B.2 BLM_S Agriculture, Development, Erosion/runoff, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Waterway bank protection/maintenance Chenopod scrub, Valley and foothill grassland, Vernal pools Alkaline 50 635 165 2085 Yes 1974-01-01 Photo of Atriplex coronata var. vallicola
© 2016 John Doyen
Ayenia compacta California ayenia Malvaceae perennial herb Mar-Apr None None G4 S3 2B.3 SB_CalBG/RSABG Foot traffic/trampling, Mining, ORV activity, Recreational use (non-ORV) Mojavean desert scrub, Sonoran desert scrub Rocky 150 1095 490 3595 1974-01-01
No Photo Available
Ceanothus maritimus maritime ceanothus Rhamnaceae perennial evergreen shrub Jan-Apr None CR G2 S2 1B.2 SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing Chaparral (maritime), Coastal bluff scrub, Valley and foothill grassland Clay 10 150 35 490 Yes 1974-01-01
No Photo Available
Ceanothus masonii Mason's ceanothus Rhamnaceae perennial evergreen shrub Mar-Apr None CR G1 S1 1B.2 SB_CalBG/RSABG; SB_USDA Grazing, Improper burning regime, Other, Road/trail construction/maint. Chaparral (openings, rocky, serpentine) 230 500 755 1640 Yes 1974-01-01
No Photo Available
Ceanothus purpureus holly-leaved ceanothus Rhamnaceae perennial evergreen shrub Feb-Jun None None G2 S2 1B.2 SB_SBBG Agriculture, Development, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland Rocky, Volcanic 120 640 395 2100 Yes 1974-01-01 Photo of Ceanothus purpureus
© 2012 Jake Ruygt
Ceanothus roderickii Pine Hill ceanothus Rhamnaceae perennial evergreen shrub Apr-Jun FE CR G1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Development, Erosion/runoff, Improper burning regime, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland Gabbroic (sometimes), Serpentine (sometimes) 245 1090 805 3575 Yes 1974-01-01 Photo of Ceanothus roderickii
© 2018 Steven Perry
Ceanothus sonomensis Sonoma ceanothus Rhamnaceae perennial evergreen shrub Feb-Apr None None G2 S2 1B.2 SB_SBBG Development, Improper burning regime, Other, Road/trail construction/maint. Chaparral (sandy, serpentine, volcanic) 215 800 705 2625 Yes 1974-01-01
No Photo Available
Ceanothus verrucosus wart-stemmed ceanothus Rhamnaceae perennial evergreen shrub Dec-May None None G2G3 S2? 2B.2 SB_CalBG/RSABG; SB_CRES; SB_UCBG Agriculture, Dam/Inundation, Development, Foot traffic/trampling, Improper burning regime, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub 1 380 5 1245 1974-01-01 Photo of Ceanothus verrucosus
© Rick York and CNPS
Delphinium parryi ssp. blochmaniae dune larkspur Ranunculaceae perennial herb Apr-Jun None None G4T2 S2 1B.2 BLM_S Development, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral (maritime), Coastal dunes 0 200 0 655 Yes 1988-01-01
No Photo Available
Delphinium purpusii rose-flowered larkspur Ranunculaceae perennial herb (Mar)Apr-May None None G3 S3 1B.3 BLM_S; USFS_S Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Pinyon and juniper woodland Carbonate (often), Rocky 300 1340 985 4395 Yes 1980-01-01 Photo of Delphinium purpusii
Aaron Schusteff
Delphinium recurvatum recurved larkspur Ranunculaceae perennial herb Mar-Jun None None G2? S2 1B.2 BLM_S; SB_SBBG Agriculture, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Chenopod scrub, Cismontane woodland, Valley and foothill grassland Alkaline 3 790 10 2590 Yes 1988-01-01
No Photo Available
Delphinium stachydeum spiked larkspur Ranunculaceae perennial herb Jun-Aug None None G5? S3 2B.3 Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Great Basin scrub, Upper montane coniferous forest (edges) Rocky 1300 2600 4265 8530 1974-01-01
No Photo Available
Delphinium umbraculorum umbrella larkspur Ranunculaceae perennial herb Apr-Jun None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Grazing, Improper burning regime, Non-native plant impacts, Road/trail construction/maint. Chaparral, Cismontane woodland 400 1600 1310 5250 Yes 1974-01-01 Photo of Delphinium umbraculorum
© 2016 Amelia Ryan
Delphinium variegatum ssp. thornei Thorne's royal larkspur Ranunculaceae perennial herb (Mar)Apr-May None None G4T1 S1S2 1B.1 SB_CalBG/RSABG Erosion/runoff Cismontane woodland, Valley and foothill grassland (coastal) 250 575 820 1885 Yes 1974-01-01
No Photo Available
Eriogonum ovalifolium var. vineum Cushenbury buckwheat Polygonaceae perennial herb May-Aug FE None G5T1 S1 1B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Carbonate 1400 2440 4595 8005 Yes 1974-01-01
No Photo Available
Eriogonum pendulum Waldo wild buckwheat Polygonaceae perennial herb Aug-Sep None None G4 S2S3 2B.2 Erosion/runoff, Improper burning regime, Mining, Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest Serpentine 230 1000 755 3280 1974-01-01 Photo of Eriogonum pendulum
© 2021 Scot Loring
Eriogonum prociduum prostrate buckwheat Polygonaceae perennial herb May-Aug None None G3 S3 1B.2 BLM_S; SB_BerrySB; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Great Basin scrub, Pinyon and juniper woodland, Upper montane coniferous forest Volcanic 1300 2705 4265 8875 1974-01-01
No Photo Available
Johanneshowellia puberula downy buckwheat Polygonaceae annual herb May-Sep None None G4? S1 2B.3 Pinyon and juniper woodland (carbonate, sandy or gravelly) 1300 2900 4265 9515 1980-01-01
No Photo Available
Hazardia cana San Clemente Island hazardia Asteraceae perennial evergreen shrub Jun-Sep None None G3 S3 1B.2 Coastal bluff scrub, Coastal scrub, Riparian forest 60 500 195 1640 1974-01-01 Photo of Hazardia cana
© 2009 Zoya Akulova
Hazardia orcuttii Orcutt's hazardia Asteraceae perennial evergreen shrub Aug-Oct None CT G1 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Insufficient population/stand size, Non-native plant impacts, ORV activity, Recreational use (non-ORV) Chaparral (maritime), Coastal scrub Clay (often) 80 85 260 280 1984-01-01 Photo of Hazardia orcuttii
© 2011 Keir Morse
Helianthella castanea Diablo helianthella Asteraceae perennial herb Mar-Jun None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland, Valley and foothill grassland Rocky (usually) 60 1300 195 4265 Yes 1974-01-01 Photo of Helianthella castanea
© 2013 Christopher Bronny
Crocanthemum greenei island rush-rose Cistaceae perennial evergreen shrub (Jan)Mar-Jul(Aug) FT None G3 S3 1B.2 SB_SBBG Erosion/runoff, Foot traffic/trampling, Grazing, Non-native animal impacts, Non-native plant impacts, Other, Over-collecting/poaching, Road/trail construction/maint. Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub Openings, Rocky 15 490 50 1610 Yes 1974-01-01 Photo of Crocanthemum greenei
© 2003 Keir Morse
Limnanthes floccosa ssp. californica Butte County meadowfoam Limnanthaceae annual herb Mar-May FE CE G4T1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Surface water diversion Valley and foothill grassland (mesic), Vernal pools 46 930 150 3050 Yes 1980-01-01 Photo of Limnanthes floccosa ssp. californica
© 2007 George W. Hartwell
Limnanthes alba ssp. parishii Parish's meadowfoam Limnanthaceae annual herb Apr-Jun None CE G4T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA; USFS_S Altered flood/tidal/hydrologic regime, Biocides, Channelization, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Lower montane coniferous forest, Meadows and seeps, Vernal pools Vernally Mesic 600 2000 1970 6560 Yes 1974-01-01 Photo of Limnanthes alba ssp. parishii
© 2005 Christopher L. Christie
Limnanthes vinculans Sebastopol meadowfoam Limnanthaceae annual herb Apr-May FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps, Valley and foothill grassland, Vernal pools Vernally Mesic 15 305 50 1000 Yes 1974-01-01 Photo of Limnanthes vinculans
© 2015 Vernon Smith
Linanthus bellus desert beauty Polemoniaceae annual herb Apr-May None None G2G3 S2 2B.1 SB_CRES Development, Grazing, Landfill, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral (sandy) 1000 1400 3280 4595 1974-01-01
No Photo Available
Linanthus concinnus San Gabriel linanthus Polemoniaceae annual herb Apr-Jul None None G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Openings, Rocky 1520 2800 4985 9185 Yes 1974-01-01 Photo of Linanthus concinnus
© 2019 RT Hawke
Diplacus pictus calico monkeyflower Phrymaceae annual herb Mar-May None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Road/trail construction/maint. Broadleafed upland forest, Cismontane woodland Disturbed areas, Granitic 100 1430 330 4690 Yes 1974-01-01 Photo of Diplacus pictus
© 2020 Matt C. Berger
Diplacus pulchellus yellow-lip pansy monkeyflower Phrymaceae annual herb Apr-Jul None None G2 S2 1B.2 BLM_S; SB_SBBG; USFS_S Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Lower montane coniferous forest, Meadows and seeps Clay, Disturbed areas (often), Vernally Mesic 600 2000 1970 6560 Yes 1974-01-01 Photo of Diplacus pulchellus
© 2018 Sierra Pacific Industries
Erythranthe purpurea little purple monkeyflower Phrymaceae annual herb May-Jun None None G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Meadows and seeps, Pebble (Pavement) plain, Upper montane coniferous forest 1900 2300 6235 7545 1974-01-01
No Photo Available
Erythranthe shevockii Kelso Creek monkeyflower Phrymaceae annual herb Mar-May None None G1 S1 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Agriculture, Development, Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Joshua tree "woodland", Pinyon and juniper woodland Granitic (sometimes), Gravelly (sometimes), Metamorphic (sometimes), Sandy (sometimes) 800 1340 2625 4395 Yes 1984-01-01 Photo of Erythranthe shevockii
© 2021 Ryan O'Dell
Arctostaphylos franciscana Franciscan manzanita Ericaceae perennial evergreen shrub Feb-Apr FE None GHC S1 1B.1 SB_UCBG Development, Other, Road/trail construction/maint. Coastal scrub (serpentinite) 60 300 195 985 Yes 1974-01-01 Photo of Arctostaphylos franciscana
© 2015 Neal Kramer
Arenaria paludicola marsh sandwort Caryophyllaceae perennial stoloniferous herb May-Aug FE CE G1 S1 1B.1 SB_SBBG Altered flood/tidal/hydrologic regime, Degraded water quality, Development, Feral pigs, Non-native plant impacts, ORV activity, Other, Pollution, Surface water diversion, Vandalism/dumping/litter Marshes and swamps (brackish, freshwater) Openings, Sandy 3 170 10 560 1984-01-01 Photo of Arenaria paludicola
© 2021 David Magney
Eremogone ursina Big Bear Valley sandwort Caryophyllaceae perennial herb May-Aug FT None G1 S1 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps, Pebble (Pavement) plain, Pinyon and juniper woodland Mesic, Rocky 1800 2900 5905 9515 Yes 1974-01-01
No Photo Available
Eremothera minor Nelson's evening-primrose Onagraceae annual herb Apr-Jul None None G4 S1S2 2B.3 Non-native plant impacts, Other Chenopod scrub, Great Basin scrub (sandy) 1200 1380 3935 4530 1980-01-01
No Photo Available
Camissonia sierrae ssp. alticola Mono Hot Springs evening-primrose Onagraceae annual herb May-Aug None None G3T2 S2 1B.2 USFS_S Development, Erosion/runoff, Foot traffic/trampling, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest Granitic, Gravelly 1035 2410 3395 7905 Yes 1980-01-01
No Photo Available
Eastwoodiella californica swamp harebell Campanulaceae perennial rhizomatous herb Jun-Oct None None G3 S3 1B.2 BLM_S; SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Degraded water quality, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Bogs and fens, Closed-cone coniferous forest, Coastal prairie, Marshes and swamps (freshwater), Meadows and seeps, North Coast coniferous forest Mesic 1 405 5 1330 Yes 1974-01-01
No Photo Available
Ravenella exigua chaparral harebell Campanulaceae annual herb May-Jun None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Erosion/runoff, Grazing, Mining, Non-native plant impacts, Road/trail construction/maint. Chaparral (rocky, usually serpentine) 275 1250 900 4100 Yes 1974-01-01
No Photo Available
Ravenella sharsmithiae Sharsmith's harebell Campanulaceae annual herb Apr-Jun None None G1G2 S1 1B.2 BLM_S Chaparral (rocky, serpentine) 490 855 1610 2805 Yes 1984-01-01
No Photo Available
Campanula shetleri Castle Crags harebell Campanulaceae perennial rhizomatous herb Jun-Sep None None G2 S2 1B.3 BLM_S; SB_BerrySB; USFS_S Foot traffic/trampling, Recreational use (non-ORV) Lower montane coniferous forest (rocky) 1220 1830 4005 6005 Yes 1974-01-01 Photo of Campanula shetleri
©2020 Neal Kramer
Smithiastrum wilkinsianum Wilkin's harebell Campanulaceae perennial rhizomatous herb Jul-Sep None None G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest 1270 2600 4165 8530 Yes 1974-01-01 Photo of Smithiastrum wilkinsianum
©2010 Eric White
Cardamine pachystigma var. dissectifolia dissected-leaved toothwort Brassicaceae perennial rhizomatous herb Feb-May None None G3G5T2Q S2 1B.2 BLM_S Biocides, Improper burning regime, ORV activity, Road/trail construction/maint. Chaparral, Lower montane coniferous forest Rocky, Serpentine (usually) 255 2100 835 6890 Yes 1988-01-01
No Photo Available
Carex californica California sedge Cyperaceae perennial rhizomatous herb May-Aug None None G5 S2 2B.2 Development, Erosion/runoff, Grazing, Logging, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Bogs and fens, Closed-cone coniferous forest, Coastal prairie, Marshes and swamps (margins), Meadows and seeps 90 335 295 1100 1974-01-01
No Photo Available
Draba carnosula Mt. Eddy draba Brassicaceae perennial herb Jul-Aug None None G2 S2 1B.3 SB_BerrySB; USFS_S Subalpine coniferous forest, Upper montane coniferous forest Rocky, Serpentine 1935 3000 6350 9845 Yes 1980-01-01 Photo of Draba carnosula
©2011 Steve Matson
Draba cruciata Mineral King draba Brassicaceae perennial herb Jun-Aug None None G3 S3 1B.3 USFS_S Foot traffic/trampling, Road/trail construction/maint. Subalpine coniferous forest (gravelly) 2500 3315 8205 10875 Yes 1974-01-01
No Photo Available
Draba sharsmithii Mt. Whitney draba Brassicaceae perennial herb Jul-Aug None None G2 S2 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Road/trail construction/maint. Alpine boulder and rock field, Subalpine coniferous forest 3300 3960 10825 12995 Yes 1974-01-01
No Photo Available
Draba incrassata Sweetwater Mountains draba Brassicaceae perennial stoloniferous herb Jul-Aug None None G2 S2S3 1B.3 USFS_S ORV activity, Road/trail construction/maint. Alpine boulder and rock field (rhyolitic talus) 2500 3965 8205 13010 Yes 1980-01-01
No Photo Available
Cusickiella quadricostata Bodie Hills cusickiella Brassicaceae perennial herb May-Jul None None G2 S2 1B.2 BLM_S; SB_SBBG Erosion/runoff, Foot traffic/trampling, Grazing, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland Clay (sometimes), Rocky (sometimes) 2000 2800 6560 9185 1974-01-01
No Photo Available
Draba sierrae Sierra draba Brassicaceae perennial herb Jun-Aug None None G3 S3 1B.3 Alpine boulder and rock field (carbonate, granitic) 3500 4265 11485 13995 Yes 1974-01-01
No Photo Available
Drosera anglica English sundew Droseraceae perennial herb (carnivorous) Jun-Sep None None G5 S2 2B.3 Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Logging, Other, Over-collecting/poaching, Recreational use (non-ORV) Bogs and fens, Meadows and seeps (mesic) 1300 2255 4265 7400 1974-01-01 Photo of Drosera anglica
Barry Rice 2007
Dryopteris filix-mas male fern Dryopteridaceae perennial rhizomatous herb Jul-Sep None None G5 S1 2B.3 Upper montane coniferous forest (granitic, rocky) 2400 3100 7875 10170 1974-01-01
No Photo Available
Asarum marmoratum marbled wild-ginger Aristolochiaceae perennial rhizomatous herb Apr-Aug None None G4? S2 2B.3 SB_UCSC Logging, Road/trail construction/maint. Lower montane coniferous forest 200 1800 655 5905 1988-01-01 Photo of Asarum marmoratum
© 2021 Scot Loring
Asplenium septentrionale northern spleenwort Aspleniaceae perennial rhizomatous herb Jul-Aug None None G5 S3 2B.3 Logging Chaparral, Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 1615 3350 5300 10990 1974-01-01 Photo of Asplenium septentrionale
©2018 Sierra Pacific Industries
Asplenium trichomanes ssp. trichomanes maidenhair spleenwort Aspleniaceae perennial rhizomatous herb May-Jul None None G5T5 S1 2B.1 Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest (rocky) 185 200 605 655 1984-01-01 Photo of Asplenium trichomanes ssp. trichomanes
©2012 Dana York
Asplenium viride green spleenwort Aspleniaceae perennial rhizomatous herb Jun-Aug None None G5 S1 2B.3 SB_UCSC Subalpine coniferous forest (carbonate, gravelly, rocky) 2050 2050 6725 6725 1974-01-01 Photo of Asplenium viride
© 2019 John Doyen
Symphyotrichum lentum Suisun Marsh aster Asteraceae perennial rhizomatous herb (Apr)May-Nov None None G2 S2 1B.2 SB_CalBG/RSABG; SB_USDA Biocides, Development, Erosion/runoff, Foot traffic/trampling, Military operations, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Waterway bank protection/maintenance Marshes and swamps (brackish, freshwater) 0 3 0 10 Yes 1974-01-01
No Photo Available
Symphyotrichum greatae Greata's aster Asteraceae perennial rhizomatous herb Jun-Oct None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest, Riparian woodland Mesic 300 2010 985 6595 Yes 1974-01-01 Photo of Symphyotrichum greatae
© 2006 Michael Charters
Astragalus agnicidus Humboldt County milk-vetch Fabaceae perennial herb (Mar)Apr-Sep None CE G2 S2 1B.1 BLM_S; SB_BerrySB; SB_CalBG/RSABG Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, North Coast coniferous forest Disturbed areas, Openings, Roadsides (sometimes) 120 800 395 2625 Yes 1974-01-01 Photo of Astragalus agnicidus
©2004 Dean Wm. Taylor
Astragalus albens Cushenbury milk-vetch Fabaceae perennial herb Mar-Jun FE None G1 S1 1B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Carbonate (usually), Granitic (rarely) 1095 2000 3595 6560 Yes 1974-01-01 Photo of Astragalus albens
© 2011 Gina Richmond
Astragalus argophyllus var. argophyllus silver-leaved milk-vetch Fabaceae perennial herb May-Jul None None G5T4 S2 2B.2 BLM_S Development, Grazing, Groundwater pumping, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Meadows and seeps, Playas Alkaline (sometimes) 1240 2350 4070 7710 1980-01-01 Photo of Astragalus argophyllus var. argophyllus
© 2020 Steve Matson
Astragalus atratus var. mensanus Darwin Mesa milk-vetch Fabaceae perennial herb Apr-Jun None None G4G5T2 S2 1B.1 BLM_S Grazing Great Basin scrub, Joshua tree "woodland", Pinyon and juniper woodland Clay, Gravelly, Volcanic 1340 2315 4395 7595 Yes 1980-01-01 Photo of Astragalus atratus var. mensanus
© 2011 Dana York
Astragalus brauntonii Braunton's milk-vetch Fabaceae perennial herb Jan-Aug FE None G2 S2 1B.1 SB_CalBG/RSABG; SB_SBBG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland Burned areas (sometimes), Carbonate, Disturbed areas (sometimes), Sandstone (usually) 4 640 15 2100 Yes 1974-01-01 Photo of Astragalus brauntonii
© 2009 Thomas Stoughton
Astragalus cimae var. cimae Cima milk-vetch Fabaceae perennial herb Apr-May None None G3T2T3 S2? 1B.2 SB_CalBG/RSABG Foot traffic/trampling, Grazing, Mining, Other, Recreational use (non-ORV) Great Basin scrub, Joshua tree "woodland", Pinyon and juniper woodland Clay 890 1850 2920 6070 1974-01-01 Photo of Astragalus cimae var. cimae
© 2004 James M. Andre
Astragalus claranus Clara Hunt's milk-vetch Fabaceae annual herb Mar-May FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Chaparral (openings), Cismontane woodland, Valley and foothill grassland Clay, Rocky, Serpentine (sometimes), Volcanic (sometimes) 75 275 245 900 Yes 1974-01-01 Photo of Astragalus claranus
© 2019 Aaron Arthur
Astragalus deanei Dean's milk-vetch Fabaceae perennial herb Feb-May None None G1 S1 1B.1 BLM_S; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal scrub, Riparian forest 75 695 245 2280 Yes 1974-01-01
No Photo Available
Astragalus douglasii var. perstrictus Jacumba milk-vetch Fabaceae perennial herb Apr-Jun None None G5T3? S2S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Development, Foot traffic/trampling, Landfill, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Pinyon and juniper woodland, Riparian scrub, Valley and foothill grassland Rocky 900 1370 2955 4495 1984-01-01
No Photo Available
Astragalus ertterae Walker Pass milk-vetch Fabaceae perennial herb Apr-May None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Recreational use (non-ORV), Road/trail construction/maint. Pinyon and juniper woodland (granitic, sandy) 1705 1900 5595 6235 Yes 1988-01-01
No Photo Available
Astragalus funereus black milk-vetch Fabaceae perennial herb Mar-May None None G2 S2 1B.2 BLM_S Mojavean desert scrub (sometimes carbonate, clay, gravelly, rocky) 1280 2100 4200 6890 1980-01-01
No Photo Available
Astragalus geyeri var. geyeri Geyer's milk-vetch Fabaceae annual herb May-Aug None None G4T4 S2 2B.2 Grazing, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chenopod scrub, Great Basin scrub Sandy 1160 1980 3805 6495 1974-01-01
No Photo Available
Astragalus gilmanii Gilman's milk-vetch Fabaceae perennial herb May-Aug None None G2 S2 1B.2 SB_CalBG/RSABG Foot traffic/trampling, Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland Gravelly (sometimes), Rocky (sometimes) 2000 3050 6560 10005 1974-01-01
No Photo Available
Astragalus insularis var. harwoodii Harwood's milk-vetch Fabaceae annual herb Jan-May None None G5T4 S2 2B.2 SB_CalBG/RSABG Development, Erosion/runoff, Grazing, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter Desert dunes, Mojavean desert scrub Gravelly (sometimes), Sandy (sometimes) 0 710 0 2330 1980-01-01
No Photo Available
Astragalus jaegerianus Lane Mountain milk-vetch Fabaceae perennial herb Apr-Jun FE None G2 S2 1B.1 SB_CalBG/RSABG Development, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub Granitic, Gravelly (sometimes), Sandy (sometimes) 900 1200 2955 3935 Yes 1974-01-01 Photo of Astragalus jaegerianus
© 2013 Xeric Specialties
Astragalus johannis-howellii Long Valley milk-vetch Fabaceae perennial herb Jun-Aug None CR G2 S1 1B.2 BLM_S; SB_SBBG; USFS_S Dam/Inundation, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Great Basin scrub (sandy loam) 2040 2530 6695 8300 1974-01-01
No Photo Available
Astragalus kentrophyta var. elatus spiny-leaved milk-vetch Fabaceae perennial herb Jun-Sep None None G5T4 S2 2B.2 Road/trail construction/maint. Subalpine coniferous forest (sometimes carbonate, rocky) 3000 3490 9845 11450 1974-01-01
No Photo Available
Astragalus lentiformis lens-pod milk-vetch Fabaceae perennial herb May-Jul None None G2 S2 1B.2 BLM_S; USFS_S Dam/Inundation, Development, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Great Basin scrub, Lower montane coniferous forest Sandy, Volcanic 1460 1910 4790 6265 Yes 1974-01-01
No Photo Available
Astragalus lentiginosus var. coachellae Coachella Valley milk-vetch Fabaceae annual/perennial herb Feb-May FE None G5T1 S1 1B.2 SB_CalBG/RSABG; SB_USDA Altered flood/tidal/hydrologic regime, Biocides, Development, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Desert dunes, Sonoran desert scrub (sandy) 40 655 130 2150 Yes 1984-01-01
No Photo Available
Astragalus lentiginosus var. kernensis Kern Plateau milk-vetch Fabaceae perennial herb Jun-Jul None None G5T2? S2S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Subalpine coniferous forest Sandy 2240 2750 7350 9025 1980-01-01
No Photo Available
Astragalus lentiginosus var. micans shining milk-vetch Fabaceae perennial herb Mar-Jun None None G5T1 S1 1B.2 SB_CalBG/RSABG; SB_USDA Foot traffic/trampling, Non-native plant impacts, ORV activity, Recreational use (non-ORV) Desert dunes 770 1175 2525 3855 Yes 1974-01-01
No Photo Available
Astragalus lentiginosus var. piscinensis Fish Slough milk-vetch Fabaceae perennial herb Jun-Jul FT None G5T1 S1 1B.1 SB_CalBG/RSABG Grazing, ORV activity, Other, Vandalism/dumping/litter Playas (alkaline) 1130 1300 3710 4265 Yes 1980-01-01
No Photo Available
Astragalus lentiginosus var. sesquimetralis Sodaville milk-vetch Fabaceae perennial herb Apr-Jul None CE G5T1 S1 1B.1 Altered flood/tidal/hydrologic regime, Non-native animal impacts Meadows and seeps (alkaline) 955 975 3135 3200 1974-01-01
No Photo Available
Astragalus leucolobus Big Bear Valley woollypod Fabaceae perennial herb May-Jul None None G2 S2 1B.2 BLM_S; IUCN_VU; SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Lower montane coniferous forest, Pebble (Pavement) plain, Pinyon and juniper woodland, Upper montane coniferous forest Rocky 1100 2885 3610 9465 Yes 1974-01-01
No Photo Available
Astragalus magdalenae var. peirsonii Peirson's milk-vetch Fabaceae perennial herb Dec-Apr FT CE G3G4T1 S1 1B.2 SB_CalBG/RSABG ORV activity, Other Desert dunes 60 225 195 740 1974-01-01
No Photo Available
Astragalus mohavensis var. hemigyrus curved-pod milk-vetch Fabaceae annual herb Apr-Jun None None G3G4T2T3 S1 1B.1 BLM_S; SB_CalBG/RSABG Mining Joshua tree "woodland", Mojavean desert scrub Carbonate 1250 1620 4100 5315 1988-01-01
No Photo Available
Astragalus monoensis Mono milk-vetch Fabaceae perennial herb Jun-Aug None CR G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Upper montane coniferous forest Gravelly (sometimes), Sandy (sometimes) 2110 3355 6925 11010 Yes 1974-01-01
No Photo Available
Astragalus nevinii San Clemente Island milk-vetch Fabaceae perennial herb Feb-Jul None None G3 S3 1B.2 SB_CalBG/RSABG; SB_CRES Non-native plant impacts Coastal dunes, Coastal scrub, Valley and foothill grassland 5 225 15 740 Yes 1974-01-01
No Photo Available
Astragalus oocarpus San Diego milk-vetch Fabaceae perennial herb May-Aug None None G2? S2? 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (openings), Cismontane woodland 305 1524 1000 5000 Yes 1974-01-01
No Photo Available
Astragalus oophorus var. lavinii Lavin's milk-vetch Fabaceae perennial herb Jun None None G4T2 S1 1B.2 BLM_S Great Basin scrub, Pinyon and juniper woodland 2450 3050 8040 10005 1984-01-01
No Photo Available
Astragalus preussii var. laxiflorus Lancaster milk-vetch Fabaceae perennial herb Mar-May None None G4T2 S1 1B.1 Development Chenopod scrub 700 700 2295 2295 1988-01-01
No Photo Available
Astragalus preussii var. preussii Preuss' milk-vetch Fabaceae perennial herb Apr-Jun None None G4T4 S1 2B.1 SB_CalBG/RSABG Agriculture, Development, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chenopod scrub, Mojavean desert scrub Clay 750 805 2460 2640 1988-01-01
No Photo Available
Astragalus pseudiodanthus Tonopah milk-vetch Fabaceae perennial herb May-Jun None None G2Q S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG Grazing, Road/trail construction/maint. Great Basin scrub (stabilized dunes) 2025 2075 6645 6810 1980-01-01
No Photo Available
Astragalus pycnostachyus var. lanosissimus Ventura Marsh milk-vetch Fabaceae perennial herb (Jun)Aug-Oct FE CE G2T1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Development, Foot traffic/trampling, Non-native plant impacts, Other, Over-collecting/poaching, Pollution Coastal dunes, Coastal scrub, Marshes and swamps (edges, coastal salt, brackish) 1 35 5 115 Yes 1974-01-01 Photo of Astragalus pycnostachyus var. lanosissimus
© 2007 Nicholas Jensen
Astragalus rattanii var. jepsonianus Jepson's milk-vetch Fabaceae annual herb Mar-Jun None None G4T3 S3 1B.2 BLM_S; SB_UCSC Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Valley and foothill grassland Serpentine (often) 295 700 970 2295 Yes 1988-01-01
No Photo Available
Astragalus ravenii Raven's milk-vetch Fabaceae perennial herb Jul-Sep None None G2 S1 1B.3 USFS_S Foot traffic/trampling, Road/trail construction/maint. Alpine boulder and rock field, Upper montane coniferous forest Gravelly 3355 3460 11010 11350 Yes 1974-01-01
No Photo Available
Astragalus serenoi var. shockleyi Shockley's milk-vetch Fabaceae perennial herb (Apr)May-Jul None None G4T3 S3 2B.2 Erosion/runoff, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV) Chenopod scrub, Great Basin scrub, Pinyon and juniper woodland Alkaline 1500 2320 4920 7610 1988-01-01
No Photo Available
Astragalus shevockii Shevock's milk-vetch Fabaceae perennial herb Jun-Jul None None G2 S2 1B.3 BLM_S Upper montane coniferous forest (granitic, sandy) 1890 1965 6200 6445 Yes 1980-01-01
No Photo Available
Astragalus anxius Ash Valley milk-vetch Fabaceae perennial herb May-Jul None None G1 S2 1B.2 BLM_S; SB_UCSC; USFS_S Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Great Basin scrub, Pinyon and juniper woodland, Upper montane coniferous forest Volcanic 1550 1645 5085 5395 Yes 1984-01-01 Photo of Astragalus anxius
Rick York
Astragalus tener var. titi coastal dunes milk-vetch Fabaceae annual herb Mar-May FE CE G2T1 S1 1B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, Military operations, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub (sandy), Coastal dunes, Coastal prairie (mesic) Mesic (often), Vernally Mesic (often) 1 50 5 165 Yes 1974-01-01
No Photo Available
Astragalus traskiae Trask's milk-vetch Fabaceae perennial herb Feb-Jul None CR G3 S3 1B.2 Erosion/runoff, Non-native plant impacts Coastal bluff scrub, Coastal dunes, Coastal scrub 5 245 15 805 Yes 1974-01-01
No Photo Available
Astragalus tricarinatus triple-ribbed milk-vetch Fabaceae perennial herb Feb-May FE None G2 S2 1B.2 SB_CalBG/RSABG Foot traffic/trampling, Grazing, ORV activity, Road/trail construction/maint. Joshua tree "woodland", Sonoran desert scrub Gravelly (sometimes), Sandy (sometimes) 450 1190 1475 3905 Yes 1974-01-01
No Photo Available
Astragalus umbraticus Bald Mountain milk-vetch Fabaceae perennial herb May-Aug None None G4 S2 2B.2 Foot traffic/trampling, Logging, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland, Lower montane coniferous forest Roadsides (sometimes) 150 1250 490 4100 1974-01-01 Photo of Astragalus umbraticus
©2013 Scot Loring
Astragalus webberi Webber's milk-vetch Fabaceae perennial herb May-Jul None None G1 S1 1B.2 BLM_S; SB_UCSC; USFS_S Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Broadleafed upland forest, Lower montane coniferous forest, Meadows and seeps 731 1250 2400 4100 Yes 1974-01-01
No Photo Available
Atriplex cordulata var. cordulata heartscale Chenopodiaceae annual herb Apr-Oct None None GNRT2 S2 1B.2 BLM_S Agriculture, Dam/Inundation, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Road/trail construction/maint., Waterway bank protection/maintenance Chenopod scrub, Meadows and seeps, Valley and foothill grassland (sandy) Alkaline (sometimes) 0 240 0 785 Yes 1988-01-01 Photo of Atriplex cordulata var. cordulata
© 1994 Robert E. Preston, Ph.D.
Baccharis vanessae Encinitas baccharis Asteraceae perennial deciduous shrub Aug-Nov FT CE G1 S1 1B.1 SB_CRES Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland Sandstone 60 720 195 2360 Yes 1980-01-01
No Photo Available
Balsamorhiza macrolepis big-scale balsamroot Asteraceae perennial herb Mar-Jun None None G2 S2 1B.2 BLM_S; USFS_S Development, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Valley and foothill grassland Serpentine (sometimes) 45 1555 150 5100 Yes 1974-01-01 Photo of Balsamorhiza macrolepis
©1998 Dean Wm. Taylor
Balsamorhiza sericea silky balsamroot Asteraceae perennial herb Apr-May(Jun-Jul) None None G3 S3 1B.3 BLM_S; SB_BerrySB; SB_CalBG/RSABG Improper burning regime, Logging, Other, Road/trail construction/maint. Lower montane coniferous forest (serpentinite) 850 2130 2790 6990 1984-01-01 Photo of Balsamorhiza sericea
© 2021 Scot Loring
Bensoniella oregona bensoniella Saxifragaceae perennial herb May-Jul None CR G3 S2 1B.1 SB_UCSC; USFS_S Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Bogs and fens, Lower montane coniferous forest (openings), Meadows and seeps Mesic 900 1400 2955 4595 1974-01-01 Photo of Bensoniella oregona
© 2021 Scot Loring
Bergerocactus emoryi golden-spined cereus Cactaceae perennial stem May-Jun None None G2G3 S2 2B.2 IUCN_LC; SB_CalBG/RSABG Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral, Closed-cone coniferous forest, Coastal scrub Sandy 3 395 10 1295 1974-01-01
No Photo Available
Blennosperma bakeri Sonoma sunshine Asteraceae annual herb Mar-May FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Valley and foothill grassland (mesic), Vernal pools 10 110 35 360 Yes 1974-01-01
No Photo Available
Blennosperma nanum var. robustum Point Reyes blennosperma Asteraceae annual herb Feb-Apr None CR G4T2 S2 1B.2 SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal prairie, Coastal scrub 10 145 35 475 Yes 1974-01-01
No Photo Available
Blepharidachne kingii King's eyelash grass Poaceae perennial herb May None None G4 S2 2B.3 Other Great Basin scrub (usually carbonate) 1065 2135 3495 7005 1974-01-01
No Photo Available
Bloomeria humilis dwarf goldenstar Themidaceae perennial bulbiferous herb Jun None CR G1 S1 1B.2 SB_CalBG/RSABG; SB_SBBG; USFS_S Development, Foot traffic/trampling, Non-native plant impacts, Road/trail construction/maint. Chaparral, Coastal bluff scrub, Valley and foothill grassland 10 120 35 395 Yes 1974-01-01
No Photo Available
Botrychium crenulatum scalloped moonwort Ophioglossaceae perennial rhizomatous herb Jun-Sep None None G4 S3 2B.2 USFS_S Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Groundwater pumping, Improper burning regime, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Bogs and fens, Lower montane coniferous forest, Marshes and swamps (freshwater), Meadows and seeps, Upper montane coniferous forest 1268 3280 4160 10760 1984-01-01 Photo of Botrychium crenulatum
© 2016 Steve Matson
Bouteloua trifida three-awned grama Poaceae perennial herb (Apr)May-Sep None None G4G5 S3 2B.3 SB_CalBG/RSABG Mining, ORV activity Mojavean desert scrub (carbonate, rocky) 700 2000 2295 6560 1974-01-01
No Photo Available
Brodiaea filifolia thread-leaved brodiaea Themidaceae perennial bulbiferous herb Mar-Jun FT CE G2 S2 1B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Landfill, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Waterway bank protection/maintenance, Wood cutting or brush clearing Chaparral (openings), Cismontane woodland, Coastal scrub, Playas, Valley and foothill grassland, Vernal pools Clay (often) 25 1120 80 3675 Yes 1974-01-01 Photo of Brodiaea filifolia
© 2016 Keir Morse
Brodiaea insignis Kaweah brodiaea Themidaceae perennial bulbiferous herb Apr-Jun None CE G1 S1 1B.2 BLM_S; SB_SBBG; USFS_S Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Other, Road/trail construction/maint. Cismontane woodland, Meadows and seeps, Valley and foothill grassland Clay (sometimes), Granitic (sometimes) 150 1400 490 4595 Yes 1974-01-01 Photo of Brodiaea insignis
© 2007 Robert E. Preston, Ph.D.
Brodiaea kinkiensis San Clemente Island brodiaea Themidaceae perennial bulbiferous herb May-Jun None None G2 S2 1B.2 SB_CalBG/RSABG; SB_CRES Valley and foothill grassland (clay) 305 600 1000 1970 Yes 1974-01-01 Photo of Brodiaea kinkiensis
© 2011 Neal Kramer
Brodiaea orcuttii Orcutt's brodiaea Themidaceae perennial bulbiferous herb May-Jul None None G2 S2 1B.1 BLM_S; SB_CRES; USFS_S Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Closed-cone coniferous forest, Meadows and seeps, Valley and foothill grassland, Vernal pools Clay, Mesic 30 1692 100 5550 Yes 1974-01-01 Photo of Brodiaea orcuttii
© 2001 Ellen Friedman & Ted Dunning
Brodiaea pallida Chinese Camp brodiaea Themidaceae perennial bulbiferous herb May-Jun FT CE G1 S1 1B.1 IUCN_EN Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Grazing, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland Serpentine (often) 165 385 540 1265 Yes 1974-01-01 Photo of Brodiaea pallida
© 2014 Robert E. Preston, Ph.D.
Bursera microphylla little-leaf elephant tree Burseraceae perennial deciduous tree Jun-Jul None None G4 S2 2B.3 IUCN_LC; SB_CalBG/RSABG Foot traffic/trampling, Other, Recreational use (non-ORV) Sonoran desert scrub (rocky) 200 700 655 2295 1980-01-01
No Photo Available
Calamagrostis crassiglumis Thurber's reed grass Poaceae perennial rhizomatous herb May-Aug None None G5Q S2 2B.1 Foot traffic/trampling, Grazing, Non-native plant impacts, Road/trail construction/maint. Coastal scrub (mesic), Marshes and swamps (freshwater) 10 60 35 195 1980-01-01
No Photo Available
Clinopodium chandleri San Miguel savory Lamiaceae perennial shrub Mar-Jul None None G2G3 S2 1B.2 BLM_S; SB_CRES; USFS_S Biocides, Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland, Valley and foothill grassland Gabbroic (sometimes), Rocky (sometimes) 120 1075 395 3525 1974-01-01
No Photo Available
Calliandra eriophylla pink fairy-duster Fabaceae perennial deciduous shrub Jan-Mar None None G5 S3 2B.3 SB_CalBG/RSABG Mining, ORV activity, Other, Vandalism/dumping/litter Sonoran desert scrub (sandy, rocky) 120 1500 395 4920 1980-01-01
No Photo Available
Calochortus clavatus var. recurvifolius Arroyo de la Cruz mariposa-lily Liliaceae perennial bulbiferous herb Jun-Jul None None G4T1 S1 1B.2 Erosion/runoff, Grazing Chaparral (maritime), Coastal bluff scrub, Coastal prairie, Lower montane coniferous forest 10 120 35 395 Yes 1974-01-01 Photo of Calochortus clavatus var. recurvifolius
© 2019 Spencer Riffle
Eremothera boothii ssp. boothii Booth's evening-primrose Onagraceae annual herb Apr-Sep None None G5T4 S3 2B.3 Development, Foot traffic/trampling, Grazing, ORV activity, Other, Road/trail construction/maint. Joshua tree "woodland", Pinyon and juniper woodland 815 2400 2675 7875 1980-01-01
No Photo Available
Camissoniopsis guadalupensis ssp. clementina San Clemente Island evening-primrose Onagraceae annual herb Apr-Jun None None G3T2 S2 1B.2 SB_CalBG/RSABG; SB_CRES Development, Non-native plant impacts Coastal dunes 0 30 0 100 Yes 1974-01-01
No Photo Available
Camissoniopsis hardhamiae Hardham's evening-primrose Onagraceae annual herb Mar-May None None G2 S2 1B.2 BLM_S; USFS_S Biocides, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral, Cismontane woodland Burned areas (sometimes), Carbonate, Disturbed areas (sometimes), Sandy 140 945 460 3100 Yes 1980-01-01
No Photo Available
Camissonia integrifolia Kern River evening-primrose Onagraceae annual herb (Apr)May None None G2 S2 1B.3 BLM_S Foot traffic/trampling, Road/trail construction/maint. Chaparral, Mojavean desert scrub Openings, Sandy 700 1200 2295 3935 Yes 1980-01-01 Photo of Camissonia integrifolia
© 2015 John Game
Carex davyi Davy's sedge Cyperaceae perennial herb May-Aug None None G3 S3 1B.3 SB_UCSC Logging, ORV activity Subalpine coniferous forest, Upper montane coniferous forest 1500 3200 4920 10500 1974-01-01
No Photo Available
Carex duriuscula spikerush sedge Cyperaceae perennial rhizomatous herb Jul-Aug None None G5 S2 2B.3 Great Basin scrub, Subalpine coniferous forest 3500 4100 11485 13450 1980-01-01
No Photo Available
Carex halliana Oregon sedge Cyperaceae perennial rhizomatous herb (May)Jul-Sep None None G4G5 S2 2B.3 Foot traffic/trampling, Improper burning regime, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest 1370 2105 4495 6905 1980-01-01 Photo of Carex halliana
©2010 Keir Morse
Carex lasiocarpa woolly-fruited sedge Cyperaceae perennial rhizomatous herb Jun-Jul None None G5 S2 2B.3 IUCN_LC Altered flood/tidal/hydrologic regime, Grazing, Logging, Recreational use (non-ORV) Bogs and fens, Marshes and swamps (freshwater, lake margins) 1700 2100 5580 6890 1980-01-01 Photo of Carex lasiocarpa
© 2011 Sierra Pacific Industries
Carex livida livid sedge Cyperaceae perennial rhizomatous herb Jun None None G5 SH 2A Bogs and fens 0 0 0 0 1974-01-01
No Photo Available
Carex obispoensis San Luis Obispo sedge Cyperaceae perennial cespitose herb Apr-Jun None None G3? S3? 1B.2 BLM_S; SB_SBBG; USFS_S Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Feral pigs, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland Clay (often), Gabbroic (sometimes), Seeps (often), Serpentine (often) 10 820 35 2690 Yes 1974-01-01
No Photo Available
Dudleya brevifolia short-leaved dudleya Crassulaceae perennial herb Apr-May None CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (maritime, openings), Coastal scrub Sandstone 30 250 100 820 Yes 1980-01-01
No Photo Available
Dudleya candelabrum candleholder dudleya Crassulaceae perennial herb Apr-Jul None None G3 S3 1B.2 Erosion/runoff, Grazing, Non-native animal impacts, Non-native plant impacts Chaparral, Closed-cone coniferous forest, Coastal scrub Rocky 5 610 15 2000 Yes 1974-01-01
No Photo Available
Dudleya cymosa ssp. crebrifolia San Gabriel River dudleya Crassulaceae perennial herb Apr-Jul None None G5T2 S2 1B.2 SB_CalBG/RSABG; USFS_S Erosion/runoff, Road/trail construction/maint. Chaparral (granitic) 275 457 900 1500 Yes 1988-01-01
No Photo Available
Dudleya cymosa ssp. marcescens marcescent dudleya Crassulaceae perennial herb Apr-Jul FT CR G5T2 S2 1B.2 SB_CalBG/RSABG; SB_SBBG Development, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Chaparral Rocky, Volcanic 150 520 490 1705 Yes 1974-01-01
No Photo Available
Dudleya cymosa ssp. ovatifolia Santa Monica dudleya Crassulaceae perennial herb Mar-Jun FT None G5T1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Improper burning regime, Non-native plant impacts, Recreational use (non-ORV), Vandalism/dumping/litter Chaparral, Coastal scrub Rocky, Volcanic (sometimes) 150 1675 490 5495 Yes 1974-01-01
No Photo Available
Dudleya densiflora San Gabriel Mountains dudleya Crassulaceae perennial herb Mar-Jul None None G2 S2 1B.1 SB_CalBG/RSABG; USFS_S Improper burning regime, Mining, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal scrub, Lower montane coniferous forest, Riparian woodland Granitic 244 610 800 2000 Yes 1974-01-01
No Photo Available
Dudleya multicaulis many-stemmed dudleya Crassulaceae perennial herb Apr-Jul None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Agriculture, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland Clay (often) 15 790 50 2590 Yes 1974-01-01
No Photo Available
Dudleya nesiotica Santa Cruz Island dudleya Crassulaceae perennial herb Apr-Jun FD CR G1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Erosion/runoff, Non-native plant impacts, Road/trail construction/maint. Coastal bluff scrub, Coastal scrub Clay, Gravelly (sometimes), Rocky (sometimes) 10 50 35 165 Yes 1974-01-01
No Photo Available
Dudleya parva Conejo dudleya Crassulaceae perennial herb May-Jun FT None G1 S1 1B.2 SB_CalBG/RSABG Agriculture, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Recreational use (non-ORV) Coastal scrub, Valley and foothill grassland Clay (sometimes), Gravelly (sometimes), Rocky (sometimes), Volcanic (sometimes) 60 450 195 1475 Yes 1974-01-01
No Photo Available
Hesperolinon adenophyllum glandular western flax Linaceae annual herb May-Aug None None G2G3 S2S3 1B.2 BLM_S Biocides, Development, Erosion/runoff, Grazing, Logging, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Valley and foothill grassland Serpentine (usually) 150 1315 490 4315 Yes 1974-01-01 Photo of Hesperolinon adenophyllum
© 2002 John Game
Hesperolinon bicarpellatum two-carpellate western flax Linaceae annual herb (Apr)May-Jul None None G2 S2 1B.2 BLM_S; SB_UCSC Development, Erosion/runoff, Grazing, Other, Road/trail construction/maint. Chaparral (serpentinite) 60 1005 195 3295 Yes 1974-01-01 Photo of Hesperolinon bicarpellatum
© 2016 John Doyen
Hesperolinon breweri Brewer's western flax Linaceae annual herb May-Jul None None G2 S2 1B.2 BLM_S Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Landfill, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland Serpentine (usually) 30 945 100 3100 Yes 1974-01-01 Photo of Hesperolinon breweri
© 2014 Neal Kramer
Hesperolinon congestum Marin western flax Linaceae annual herb Apr-Jul FT CT G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Valley and foothill grassland Serpentine 5 370 15 1215 Yes 1974-01-01 Photo of Hesperolinon congestum
© 2009 Neal Kramer
Hesperolinon didymocarpum Lake County western flax Linaceae annual herb May-Jul None CE G1 S1 1B.2 BLM_S; SB_UCSC Dam/Inundation, Erosion/runoff, Grazing, Other, Recreational use (non-ORV) Chaparral, Cismontane woodland, Valley and foothill grassland Serpentine 330 365 1085 1200 Yes 1974-01-01 Photo of Hesperolinon didymocarpum
© 2018 Aaron Arthur
Hesperolinon drymarioides drymaria-like western flax Linaceae annual herb May-Aug None None G2 S2 1B.2 BLM_S; USFS_S Development, Mining, ORV activity, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Closed-cone coniferous forest, Valley and foothill grassland Serpentine 100 1130 330 3710 Yes 1974-01-01 Photo of Hesperolinon drymarioides
© Niall McCarten and CNPS
Lomatium congdonii Congdon's lomatium Apiaceae perennial herb Mar-Jun None None G2 S2 1B.2 BLM_S; SB_SBBG Biocides, Erosion/runoff, Grazing, Mining, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland Serpentine 300 2100 985 6890 Yes 1974-01-01
No Photo Available
Lomatium insulare San Nicolas Island lomatium Apiaceae perennial herb Jan-Apr(Jun) None None G3? S2 1B.2 SB_CalBG/RSABG Coastal bluff scrub (sandy) 15 800 50 2625 1974-01-01
No Photo Available
Lomatium martindalei Coast Range lomatium Apiaceae perennial herb May-Jun(Aug) None None G5 S2 2B.3 Logging Coastal bluff scrub, Lower montane coniferous forest, Meadows and seeps 240 3000 785 9845 1980-01-01 Photo of Lomatium martindalei
©2014 Barry Rice
Senna covesii Cove's cassia Fabaceae perennial herb Mar-Jun(Aug) None None G5 S3 2B.2 SB_CalBG/RSABG Erosion/runoff, Mining, ORV activity, Other, Road/trail construction/maint. Sonoran desert scrub Dry, Sandy, Slopes, Washes 225 1295 740 4250 1980-01-01
No Photo Available
Castela emoryi Emory's crucifixion-thorn Simaroubaceae perennial deciduous shrub (Apr)Jun-Jul(Sep-Oct) None None G3G4 S2S3 2B.2 SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Mojavean desert scrub, Playas, Sonoran desert scrub Gravelly 90 725 295 2380 1974-01-01
No Photo Available
Castilleja cinerea ash-gray paintbrush Orobanchaceae perennial herb (hemiparasitic) Jun-Aug FT None G1G2 S1S2 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps, Mojavean desert scrub, Pebble (Pavement) plain, Pinyon and juniper woodland, Upper montane coniferous forest (clay, openings) 1800 2960 5905 9710 Yes 1974-01-01
No Photo Available
Castilleja elata Siskiyou paintbrush Orobanchaceae perennial herb (hemiparasitic) May-Aug None None G3 S2S3 2B.2 Foot traffic/trampling, Logging, Mining, Other, Road/trail construction/maint. Bogs and fens, Lower montane coniferous forest (seeps) Serpentine (often) 0 1750 0 5740 1980-01-01 Photo of Castilleja elata
© 2021 Scot Loring
Castilleja gleasoni Mt. Gleason paintbrush Orobanchaceae perennial herb (hemiparasitic) May-Jun(Sep) None CR G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Lower montane coniferous forest, Pinyon and juniper woodland Granitic 1160 2170 3805 7120 Yes 1974-01-01
No Photo Available
Castilleja grisea San Clemente Island paintbrush Orobanchaceae perennial herb (hemiparasitic) Feb-Aug(Dec) FD CE G3 S3 1B.3 SB_CalBG/RSABG; SB_SBBG Erosion/runoff, Improper burning regime Coastal bluff scrub, Coastal scrub Rocky 10 535 35 1755 Yes 1974-01-01 Photo of Castilleja grisea
© 2014 John Game
Castilleja mendocinensis Mendocino Coast paintbrush Orobanchaceae perennial herb (hemiparasitic) Apr-Aug None None G2 S2 1B.2 BLM_S; SB_UCSC Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Closed-cone coniferous forest, Coastal bluff scrub, Coastal dunes, Coastal prairie, Coastal scrub 0 160 0 525 1974-01-01 Photo of Castilleja mendocinensis
©2015 John Doyen
Castilleja mollis soft-leaved paintbrush Orobanchaceae perennial herb (hemiparasitic) Apr-Aug FE None G2 S2 1B.1 SB_SBBG Coastal bluff scrub, Coastal dunes 5 20 15 65 Yes 1974-01-01
No Photo Available
Castilleja affinis var. neglecta Tiburon paintbrush Orobanchaceae perennial herb (hemiparasitic) Apr-Jun FE CT G4G5T1T2 S1S2 1B.2 SB_CalBG/RSABG; SB_UCBG Development, Feral pigs, Foot traffic/trampling, Grazing, Landfill, Mining, Non-native plant impacts, ORV activity, Other Valley and foothill grassland (serpentinite) 60 400 195 1310 Yes 1974-01-01
No Photo Available
Castilleja schizotricha split-hair paintbrush Orobanchaceae perennial herb (hemiparasitic) Jul-Aug None None G4 S2S3 1B.3 SB_BerrySB Upper montane coniferous forest Carbonate (often), Decomposed granitic, Serpentine (often) 1500 2300 4920 7545 1984-01-01 Photo of Castilleja schizotricha
© 2014 Scot Loring
Castilleja uliginosa Pitkin Marsh paintbrush Orobanchaceae perennial herb (hemiparasitic) Jun-Jul None CE GX SX 1A Grazing, Other Marshes and swamps (freshwater) 240 240 785 785 Yes 1974-01-01 Photo of Castilleja uliginosa
© 2002 John Game
Caulanthus amplexicaulis var. barbarae Santa Barbara jewelflower Brassicaceae annual herb May-Jul None None G4T2 S2 1B.1 USFS_S Erosion/runoff, Grazing Chaparral, Cismontane woodland, Closed-cone coniferous forest Serpentine 470 1220 1540 4005 Yes 1974-01-01 Photo of Caulanthus amplexicaulis var. barbarae
© 2017 John B Moule
Caulanthus californicus California jewelflower Brassicaceae annual herb Feb-May FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG; SB_UCBG Agriculture, Development, Grazing, Insufficient population/stand size, Mining, Non-native plant impacts, Other Chenopod scrub, Pinyon and juniper woodland, Valley and foothill grassland Sandy 61 1000 200 3280 Yes 1984-01-01
No Photo Available
Hesperidanthus jaegeri Jaeger's hesperidanthus Brassicaceae perennial herb May-Jul None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Recreational use (non-ORV) Great Basin scrub, Pinyon and juniper woodland, Subalpine coniferous forest Carbonate, Rocky 2135 2800 7005 9185 Yes 1974-01-01 Photo of Hesperidanthus jaegeri
© 2011 Steve Matson
Ceanothus confusus Rincon Ridge ceanothus Rhamnaceae perennial evergreen shrub Feb-Jun None None G1 S1 1B.1 BLM_S; SB_SBBG Agriculture, Development, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Closed-cone coniferous forest Serpentine (sometimes), Volcanic (sometimes) 75 1065 245 3495 Yes 1980-01-01 Photo of Ceanothus confusus
© 2012 Jake Ruygt
Ceanothus cyaneus Lakeside ceanothus Rhamnaceae perennial evergreen shrub Apr-Jun None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Development, Erosion/runoff, Non-native plant impacts, Road/trail construction/maint. Chaparral, Closed-cone coniferous forest 235 755 770 2475 1974-01-01
No Photo Available
Ceanothus divergens Calistoga ceanothus Rhamnaceae perennial evergreen shrub Feb-Apr None None G2 S2 1B.2 BLM_S; SB_UCSC Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (rocky, serpentine, volcanic) 170 950 560 3115 Yes 1974-01-01
No Photo Available
Ceanothus ferrisiae Coyote ceanothus Rhamnaceae perennial evergreen shrub Jan-May FE None G1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Development, Grazing, Improper burning regime Chaparral, Coastal scrub, Valley and foothill grassland Serpentine 120 460 395 1510 Yes 1974-01-01
No Photo Available
Ceanothus foliosus var. vineatus Vine Hill ceanothus Rhamnaceae perennial evergreen shrub Mar-May None None G3T1 S1 1B.1 Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral 45 305 150 1000 Yes 1988-01-01 Photo of Ceanothus foliosus var. vineatus
© 2013 Terry Gosliner
Ceanothus gloriosus var. porrectus Mt. Vision ceanothus Rhamnaceae perennial evergreen shrub Feb-May None None G4T2 S2 1B.3 SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland 25 305 80 1000 Yes 1974-01-01
No Photo Available
Ceanothus hearstiorum Hearsts' ceanothus Rhamnaceae perennial evergreen shrub Mar-Apr None CR G1G2 S1S2 1B.2 Development, Foot traffic/trampling, Grazing, Improper burning regime, Other Chaparral (maritime), Coastal prairie, Coastal scrub 75 245 245 805 Yes 1974-01-01
No Photo Available
Aristocapsa insignis Indian Valley spineflower Polygonaceae annual herb May-Sep None None G1 S1 1B.2 BLM_S Dam/Inundation Cismontane woodland (sandy) 300 600 985 1970 Yes 1980-01-01 Photo of Aristocapsa insignis
© 2019 Aaron Schusteff
Dodecahema leptoceras slender-horned spineflower Polygonaceae annual herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Coastal scrub (alluvial fans) Sandy 200 760 655 2495 Yes 1980-01-01
No Photo Available
Cercocarpus traskiae Catalina Island mountain-mahogany Rosaceae perennial evergreen shrub Mar-May FE CE G1 S1 1B.1 IUCN_CR; SB_CalBG/RSABG; SB_CRES Erosion/runoff, Grazing, Hybridization, Insufficient population/stand size, Other Chaparral, Coastal scrub Gabbroic, Rocky 100 250 330 820 Yes 1974-01-01 Photo of Cercocarpus traskiae
© 2021 Zoya Akulova
Carnegiea gigantea saguaro Cactaceae perennial stem May-Jun None None G5 S1 2B.2 IUCN_LC; SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Non-native animal impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Sonoran desert scrub (rocky) 50 1500 165 4920 1984-01-01
No Photo Available
Chaenactis parishii Parish's chaenactis Asteraceae perennial herb May-Jul None None G3 S3 1B.3 BLM_S; SB_CRES Grazing, Other, Road/trail construction/maint. Chaparral (rocky) 1300 2500 4265 8205 1974-01-01
No Photo Available
Chaenactis suffrutescens Shasta chaenactis Asteraceae perennial herb May-Sep None None G2G3 S2S3 1B.3 BLM_S; SB_BerrySB; USFS_S Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest Sandy, Serpentine 750 2800 2460 9185 1974-01-01 Photo of Chaenactis suffrutescens
© 2015 Steve Matson
Euphorbia arizonica Arizona spurge Euphorbiaceae perennial herb Mar-Apr None None G5 S3 2B.3 Foot traffic/trampling Sonoran desert scrub (sandy) 50 300 165 985 1980-01-01
No Photo Available
Euphorbia hooveri Hoover's spurge Euphorbiaceae annual herb (May-Jun)Jul-Sep(Oct) FT None G1 S1 1B.2 Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Surface water diversion Vernal pools 25 250 80 820 Yes 1974-01-01 Photo of Euphorbia hooveri
© 2020 Neal Kramer
Euphorbia ocellata ssp. rattanii Stony Creek spurge Euphorbiaceae annual herb May-Oct None None G4T2? S2? 1B.2 BLM_S Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, ORV activity, Other, Recreational use (non-ORV) Chaparral, Riparian scrub (streambanks), Valley and foothill grassland (sandy, rocky) 65 800 215 2625 Yes 1980-01-01 Photo of Euphorbia ocellata ssp. rattanii
© 2017 Evan D. MacKinnon
Euphorbia platysperma flat-seeded spurge Euphorbiaceae annual herb Feb-Sep None None G3 S1 1B.2 BLM_S; SB_CalBG/RSABG Desert dunes, Sonoran desert scrub (sandy) 65 100 215 330 1980-01-01
No Photo Available
Astrolepis cochisensis ssp. cochisensis scaly cloak fern Pteridaceae perennial rhizomatous herb Apr-Oct None None G5?T4 S2 2B.3 SB_CalBG/RSABG Development, Erosion/runoff, Non-native plant impacts, Other, Road/trail construction/maint. Joshua tree "woodland", Pinyon and juniper woodland Carbonate 900 1800 2955 5905 1994-01-01
No Photo Available
Argyrochosma limitanea ssp. limitanea southwestern false cloak-fern Pteridaceae perennial rhizomatous herb Apr-Oct None None G4G5T3T4 S1 2B.1 Pinyon and juniper woodland (carbonate, rocky) 1800 1800 5905 5905 1984-01-01
No Photo Available
Myriopteris wootonii Wooton's lace fern Pteridaceae perennial rhizomatous herb May-Oct None None G5 S2 2B.3 Joshua tree "woodland", Pinyon and juniper woodland Rocky 1600 1900 5250 6235 1980-01-01 Photo of Myriopteris wootonii
© 2019 Zoya Akulova
Hooveria purpurea var. purpurea Santa Lucia purple amole Agavaceae perennial bulbiferous herb Apr-Jun FT None G2T2 S2 1B.1 SB_SBBG Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland Clay, Gravelly 205 385 675 1265 Yes 1974-01-01 Photo of Hooveria purpurea var. purpurea
© 2006 Aaron Schusteff
Hooveria purpurea var. reducta Camatta Canyon amole Agavaceae perennial bulbiferous herb Apr-May FT CR G2T1 S1 1B.1 SB_SBBG Agriculture, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland 305 630 1000 2065 Yes 1974-01-01 Photo of Hooveria purpurea var. reducta
© 2017 John B Moule
Chorizanthe blakleyi Blakley's spineflower Polygonaceae annual herb Apr-Jun None None G2 S2 1B.3 BLM_S; USFS_S Foot traffic/trampling, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Pinyon and juniper woodland 600 1600 1970 5250 Yes 1974-01-01
No Photo Available
Chorizanthe breweri Brewer's spineflower Polygonaceae annual herb Apr-Aug None None G3 S3 1B.3 BLM_S; SB_SBBG; USFS_S Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub Gravelly (sometimes), Rocky (sometimes), Serpentine 45 800 150 2625 Yes 1980-01-01
No Photo Available
Chorizanthe howellii Howell's spineflower Polygonaceae annual herb May-Jul FE CT G1 S1 1B.2 Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal dunes, Coastal prairie, Coastal scrub Disturbed areas (often), Sandy 0 45 0 150 Yes 1980-01-01
No Photo Available
Chorizanthe orcuttiana Orcutt's spineflower Polygonaceae annual herb Mar-May FE CE G1 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (maritime), Closed-cone coniferous forest, Coastal scrub Openings, Sandy 3 125 10 410 Yes 1980-01-01
No Photo Available
Chorizanthe parryi var. fernandina San Fernando Valley spineflower Polygonaceae annual herb Apr-Jul None CE G3T1 S1 1B.1 SB_CalBG/RSABG; USFS_S Agriculture, Development, Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Coastal scrub (sandy), Valley and foothill grassland 150 1220 490 4005 Yes 1974-01-01 Photo of Chorizanthe parryi var. fernandina
© 2008 Anuja Parikh and Nathan Gale
Chorizanthe pungens var. pungens Monterey spineflower Polygonaceae annual herb Apr-Jun(Jul-Aug) FT None G2T2 S2 1B.2 SB_SBBG; SB_UCBG Agriculture, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland, Coastal dunes, Coastal scrub, Valley and foothill grassland Sandy 3 450 10 1475 Yes 1980-01-01
No Photo Available
Chorizanthe rectispina straight-awned spineflower Polygonaceae annual herb Apr-Jul None None G2 S2 1B.2 BLM_S; SB_SBBG; USFS_S Agriculture, Biocides, Development, Disking, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub 85 1035 280 3395 Yes 1974-01-01 Photo of Chorizanthe rectispina
© 1982 California Native Plant Society
Chorizanthe robusta var. robusta robust spineflower Polygonaceae annual herb Apr-Sep FE None G2T1 S1 1B.1 Development, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland (openings), Coastal dunes, Coastal scrub Gravelly (sometimes), Sandy (sometimes) 3 300 10 985 Yes 1980-01-01
No Photo Available
Chorizanthe valida Sonoma spineflower Polygonaceae annual herb Jun-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Coastal prairie (sandy) 10 305 35 1000 Yes 1974-01-01
No Photo Available
Cirsium andrewsii Franciscan thistle Asteraceae perennial herb Mar-Jul None None G3 S3 1B.2 SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other Broadleafed upland forest, Coastal bluff scrub, Coastal prairie, Coastal scrub Mesic, Serpentine (sometimes) 0 150 0 490 Yes 1974-01-01
No Photo Available
Cirsium fontinale var. campylon Mt. Hamilton thistle Asteraceae perennial herb (Feb)Apr-Oct None None G2T2 S2 1B.2 BLM_S; SB_CalBG/RSABG Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Landfill, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance, Wood cutting or brush clearing Chaparral, Cismontane woodland, Valley and foothill grassland Seeps, Serpentine 100 890 330 2920 Yes 1974-01-01
No Photo Available
Cirsium ciliolatum Ashland thistle Asteraceae perennial herb Jun-Aug None CE G3 S1 2B.1 BLM_S Biocides, Non-native plant impacts, Other, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland 800 1400 2625 4595 1980-01-01 Photo of Cirsium ciliolatum
© 2021 Scot Loring
Cirsium crassicaule slough thistle Asteraceae annual/perennial herb May-Aug None None G1 S1 1B.1 BLM_S Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Grazing, Improper burning regime, Non-native plant impacts, Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance Chenopod scrub, Marshes and swamps (sloughs), Riparian scrub 3 100 10 330 Yes 1974-01-01
No Photo Available
Cirsium fontinale var. fontinale fountain thistle Asteraceae perennial herb (Apr)May-Oct FE CE G2T1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Hybridization, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (openings), Cismontane woodland, Meadows and seeps, Valley and foothill grassland Seeps, Serpentine 45 175 150 575 Yes 1974-01-01
No Photo Available
Cirsium fontinale var. obispoense Chorro Creek bog thistle Asteraceae perennial herb Feb-Jul(Aug-Sep) FE CE G2T2 S2 1B.2 SB_CalBG/RSABG; SB_SBBG Agriculture, Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Other, Road/trail construction/maint., Surface water diversion Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland Seeps, Serpentine 35 385 115 1265 Yes 1974-01-01
No Photo Available
Cirsium hydrophilum var. hydrophilum Suisun thistle Asteraceae perennial herb Jun-Sep FE None G2T1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Feral pigs, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Non-native animal impacts, Non-native plant impacts Marshes and swamps (salt) 0 1 0 5 Yes 1974-01-01
No Photo Available
Cirsium hydrophilum var. vaseyi Mt. Tamalpais thistle Asteraceae perennial herb May-Aug None None G2T2 S2 1B.2 SB_CalBG/RSABG Development, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Broadleafed upland forest, Chaparral, Meadows and seeps Seeps, Serpentine 240 620 785 2035 Yes 1974-01-01
No Photo Available
Cirsium scariosum var. loncholepis La Graciosa thistle Asteraceae perennial herb May-Aug FE CT G5T1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Coastal dunes, Coastal scrub, Marshes and swamps (brackish), Valley and foothill grassland Mesic, Sandy 4 220 15 720 Yes 1974-01-01 Photo of Cirsium scariosum var. loncholepis
© 2012 Anuja Parikh and Nathan Gale
Cirsium occidentale var. compactum compact cobwebby thistle Asteraceae perennial herb Apr-Jun None None G3G4T2 S2 1B.2 BLM_S Development, Erosion/runoff, Grazing, Non-native plant impacts, Road/trail construction/maint. Chaparral, Coastal dunes, Coastal prairie, Coastal scrub 5 150 15 490 Yes 1974-01-01
No Photo Available
Cirsium rhothophilum surf thistle Asteraceae perennial herb Apr-Jun None CT G1 S1 1B.2 BLM_S; SB_SBBG Development, Feral pigs, Foot traffic/trampling, Grazing, Insufficient population/stand size, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Coastal bluff scrub, Coastal dunes 3 60 10 195 Yes 1974-01-01 Photo of Cirsium rhothophilum
© Chris Winchell
Clarkia amoena ssp. whitneyi Whitney's farewell-to-spring Onagraceae annual herb Jun-Aug None None G5T1 S1 1B.1 BLM_S; SB_CalBG/RSABG; SB_UCBG Agriculture, Development, Grazing Coastal bluff scrub, Coastal scrub 10 100 35 330 Yes 1980-01-01
No Photo Available
Clarkia australis Small's southern clarkia Onagraceae annual herb May-Aug None None G2 S2 1B.2 BLM_S; USFS_S Biocides, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Other, Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland, Lower montane coniferous forest 800 2075 2625 6810 Yes 1980-01-01
No Photo Available
Clarkia biloba ssp. australis Mariposa clarkia Onagraceae annual herb Apr-Jul None None G4G5T3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S Altered flood/tidal/hydrologic regime, Biocides, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland Serpentine 300 1460 985 4790 Yes 1980-01-01
No Photo Available
Clarkia borealis ssp. arida Shasta clarkia Onagraceae annual herb Jun-Aug None None G4T2 S2? 1B.1 BLM_S; SB_UCBG Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest (openings) 490 595 1610 1950 Yes 1980-01-01
No Photo Available
Claytonia peirsonii ssp. peirsonii Peirson's spring beauty Montiaceae perennial herb (Mar)May-Jun None None G2G3T2 S2 1B.2 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, Other, Recreational use (non-ORV), Road/trail construction/maint. Subalpine coniferous forest, Upper montane coniferous forest Granitic, Metamorphic, Scree, Talus 1510 2745 4955 9005 Yes 1974-01-01
No Photo Available
Claytonia megarhiza fell-fields claytonia Montiaceae perennial herb Jul-Sep None None G5 S2 2B.3 Erosion/runoff, Foot traffic/trampling, Grazing, Recreational use (non-ORV) Alpine boulder and rock field, Subalpine coniferous forest (gravelly, rocky) 2600 3532 8530 11590 1980-01-01
No Photo Available
Cochlearia groenlandica Greenland cochlearia Brassicaceae annual herb May-Jul None None G4 S1 2B.3 Coastal bluff scrub (basaltic sea stacks) 0 50 0 165 1984-01-01
No Photo Available
Collinsia multicolor San Francisco collinsia Plantaginaceae annual herb (Feb)Mar-May None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCSC Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Closed-cone coniferous forest, Coastal scrub Serpentine (sometimes) 30 275 100 900 Yes 1974-01-01
No Photo Available
Cordylanthus eremicus ssp. kernensis Kern Plateau bird's-beak Orobanchaceae annual herb (hemiparasitic) (May)Jul-Sep None None G3T2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Joshua tree "woodland", Pinyon and juniper woodland, Upper montane coniferous forest 1675 3000 5495 9845 Yes 1988-01-01
No Photo Available
Chloropyron palmatum palmate-bracted bird's-beak Orobanchaceae annual herb (hemiparasitic) May-Oct FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Chenopod scrub, Valley and foothill grassland Alkaline 5 155 15 510 Yes 1974-01-01
No Photo Available
Cordylanthus parviflorus small-flowered bird's-beak Orobanchaceae annual herb (hemiparasitic) Aug-Oct None None G4 S2 2B.3 SB_CalBG/RSABG Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland 700 2200 2295 7220 1974-01-01
No Photo Available
Cordylanthus rigidus ssp. littoralis seaside bird's-beak Orobanchaceae annual herb (hemiparasitic) Apr-Oct None CE G5T2 S2 1B.1 BLM_S; SB_CalBG/RSABG; SB_SBBG Development, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Chaparral (maritime), Cismontane woodland, Closed-cone coniferous forest, Coastal dunes, Coastal scrub Disturbed areas (often), Sandy 0 515 0 1690 Yes 1980-01-01
No Photo Available
Chloropyron tecopense Tecopa bird's-beak Orobanchaceae annual herb (hemiparasitic) Jul-Oct None None G2 S1 1B.2 BLM_S; SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Groundwater pumping, Mining, Non-native plant impacts, ORV activity, Other, Vandalism/dumping/litter, Waterway bank protection/maintenance Meadows and seeps, Mojavean desert scrub Alkaline, Mesic 60 900 195 2955 1974-01-01
No Photo Available
Cordylanthus tenuis ssp. capillaris Pennell's bird's-beak Orobanchaceae annual herb (hemiparasitic) Jun-Sep FE CR G4G5T1 S1 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Grazing, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Closed-cone coniferous forest Serpentine 45 305 150 1000 Yes 1980-01-01
No Photo Available
Cordylanthus tenuis ssp. pallescens pallid bird's-beak Orobanchaceae annual herb (hemiparasitic) Jul-Sep None None G4G5T1 S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCSC; USFS_S Biocides, Development, Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Lower montane coniferous forest (gravelly, volcanic alluvium) 695 1645 2280 5395 Yes 1980-01-01 Photo of Cordylanthus tenuis ssp. pallescens
©2018 Sierra Pacific Industries
Leptosyne hamiltonii Mt. Hamilton coreopsis Asteraceae annual herb Mar-May None None G2 S2 1B.2 BLM_S; SB_UCBG Erosion/runoff, Feral pigs, Grazing, Non-native plant impacts, Vandalism/dumping/litter Cismontane woodland (rocky) 550 1300 1805 4265 Yes 1974-01-01 Photo of Leptosyne hamiltonii
©2012 Aaron Schusteff
Leptosyne maritima sea dahlia Asteraceae perennial herb Mar-May None None G2 S1S2 2B.2 SB_CalBG/RSABG; SB_CRES Development, Erosion/runoff, Foot traffic/trampling, Military operations, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Coastal bluff scrub, Coastal scrub 5 150 15 490 1974-01-01
No Photo Available
Corethrogyne filaginifolia var. incana San Diego sand aster Asteraceae perennial herb Jun-Sep None None G4T1Q S1 1B.1 Development, Road/trail construction/maint. Chaparral, Coastal bluff scrub, Coastal scrub 3 115 10 375 1980-01-01
No Photo Available
Corethrogyne filaginifolia var. linifolia Del Mar Mesa sand aster Asteraceae perennial herb May-Sep None None G4T1Q S1 1B.1 SB_CRES Development, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (maritime, openings), Coastal bluff scrub, Coastal scrub Sandy 5 150 15 490 Yes 1980-01-01
No Photo Available
Escobaria vivipara var. rosea viviparous foxtail cactus Cactaceae perennial stem May-Jun None None G5T3 S1 2B.2 Development, Foot traffic/trampling, Other Mojavean desert scrub, Pinyon and juniper woodland Carbonate 1250 2700 4100 8860 1980-01-01
No Photo Available
Crossosoma californicum Catalina crossosoma Crossosomataceae perennial deciduous shrub Feb-May None None G3 S3 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Non-native animal impacts, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Coastal scrub Rocky 0 500 0 1640 1980-01-01
No Photo Available
Croton wigginsii Wiggins' croton Euphorbiaceae perennial shrub Mar-May None CR G3 S1S2 2B.2 BLM_S; SB_CalBG/RSABG Development, Non-native plant impacts, ORV activity, Other Desert dunes, Sonoran desert scrub (sandy) 50 100 165 330 1974-01-01
No Photo Available
Cryptantha crinita silky cryptantha Boraginaceae annual herb Apr-May None None G2 S2 1B.2 BLM_S; USFS_S Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Waterway bank protection/maintenance Cismontane woodland, Lower montane coniferous forest, Riparian forest, Riparian woodland, Valley and foothill grassland Gravelly 61 1215 200 3985 Yes 1980-01-01 Photo of Cryptantha crinita
©2009 Sierra Pacific Industries
Oreocarya crymophila subalpine oreocarya Boraginaceae perennial herb Jul-Aug None None G3 S3 1B.3 Other Subalpine coniferous forest (rocky, volcanic) 2600 3200 8530 10500 Yes 1974-01-01
No Photo Available
Cryptantha excavata deep-scarred cryptantha Boraginaceae annual herb Apr-May None None G1 S1 1B.1 BLM_S Cismontane woodland (gravelly, sandy) 100 500 330 1640 Yes 1974-01-01
No Photo Available
Cryptantha ganderi Gander's cryptantha Boraginaceae annual herb Feb-May None None G2G3 S1 1B.1 BLM_S; SB_CalBG/RSABG; SB_UCSC Agriculture, Development, Non-native plant impacts, ORV activity Desert dunes, Sonoran desert scrub (sandy) 160 400 525 1310 1974-01-01
No Photo Available
Cryptantha hooveri Hoover's cryptantha Boraginaceae annual herb Apr-May None None GH SH 1A Agriculture, Development Inland dunes, Valley and foothill grassland (sandy) 9 150 30 490 Yes 1974-01-01
No Photo Available
Cryptantha mariposae Mariposa cryptantha Boraginaceae annual herb Apr-Jun None None G2G3 S2S3 1B.3 BLM_S Mining Chaparral (rocky, serpentine) 200 650 655 2135 Yes 1974-01-01
No Photo Available
Oreocarya roosiorum bristlecone oreocarya Boraginaceae perennial herb Jun-Jul None CR G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S ORV activity Subalpine coniferous forest (carbonate, rocky) 2440 3230 8005 10600 Yes 1974-01-01
No Photo Available
Cryptantha traskiae Trask's cryptantha Boraginaceae annual herb Mar-Jun None None G2 S2 1B.1 SB_CalBG/RSABG Non-native plant impacts Coastal bluff scrub, Coastal dunes, Coastal scrub 15 400 50 1310 Yes 1974-01-01
No Photo Available
Hesperocyparis abramsiana var. abramsiana Santa Cruz cypress Cupressaceae perennial evergreen tree FT CE G1T1 S1 1B.2 SB_CalBG/RSABG; SB_UCSC Agriculture, Development, Erosion/runoff, Hybridization, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Closed-cone coniferous forest, Lower montane coniferous forest Granitic (sometimes), Sandstone (sometimes) 280 800 920 2625 Yes 1974-01-01 Photo of Hesperocyparis abramsiana var. abramsiana
© 2012 Neal Kramer
Hesperocyparis forbesii Tecate cypress Cupressaceae perennial evergreen tree None None G2 S2 1B.1 BLM_S; SB_CalBG/RSABG; SB_CRES; SB_UCSC; SB_USDA; USFS_S Development, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Closed-cone coniferous forest Clay, Gabbroic (sometimes) 80 1500 260 4920 1974-01-01 Photo of Hesperocyparis forbesii
© 2011 Joey Malone
Hesperocyparis goveniana Gowen cypress Cupressaceae perennial evergreen tree FT None G1 S1 1B.2 IUCN_EN; SB_CalBG/RSABG; SB_UCSC Development, Improper burning regime, Non-native plant impacts Chaparral (maritime), Closed-cone coniferous forest 30 300 100 985 Yes 1980-01-01 Photo of Hesperocyparis goveniana
© 2016 Susan McDougall
Hesperocyparis macrocarpa Monterey cypress Cupressaceae perennial evergreen tree None None G1 S1 1B.2 IUCN_VU; SB_CalBG/RSABG Development, Foot traffic/trampling Closed-cone coniferous forest 10 30 35 100 Yes 1980-01-01 Photo of Hesperocyparis macrocarpa
© 2021 Scot Loring
Hesperocyparis nevadensis Piute cypress Cupressaceae perennial evergreen tree None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA Grazing, Improper burning regime, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Closed-cone coniferous forest, Pinyon and juniper woodland 720 1830 2360 6005 Yes 1974-01-01 Photo of Hesperocyparis nevadensis
© 2012 Joey Malone
Hesperocyparis pygmaea pygmy cypress Cupressaceae perennial evergreen tree None None G1 S1 1B.2 BLM_S; SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Landfill, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Closed-cone coniferous forest (usually podzol-like soil) 30 600 100 1970 Yes 1974-01-01 Photo of Hesperocyparis pygmaea
© 2009 Neal Kramer
Hesperocyparis stephensonii Cuyamaca cypress Cupressaceae perennial evergreen tree None None G1 S1 1B.1 SB_CalBG/RSABG; USFS_S Improper burning regime Chaparral, Cismontane woodland, Closed-cone coniferous forest, Riparian forest Gabbroic 1035 1705 3395 5595 1980-01-01 Photo of Hesperocyparis stephensonii
© 2011 Joey Malone
Cymopterus deserticola desert cymopterus Apiaceae perennial herb Mar-May None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Military operations, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub Sandy 630 1500 2065 4920 Yes 1974-01-01
No Photo Available
Cymopterus gilmanii Gilman's cymopterus Apiaceae perennial herb Apr-May None None G3 S2 2B.3 SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Over-collecting/poaching, Road/trail construction/maint. Mojavean desert scrub (often carbonate) 915 2000 3000 6560 1974-01-01
No Photo Available
Cymopterus ripleyi var. saniculoides sanicle cymopterus Apiaceae perennial herb Apr-Jun None None G3T2T3Q S1 1B.2 BLM_S; SB_CalBG/RSABG Foot traffic/trampling, Grazing, Mining, ORV activity, Road/trail construction/maint. Joshua tree "woodland", Mojavean desert scrub Carbonate, Gravelly, Sandy 1000 1660 3280 5445 1980-01-01
No Photo Available
Dalea ornata ornate dalea Fabaceae perennial herb Jun None None G4G5 S2 2B.1 IUCN_LC Development, Grazing, Non-native plant impacts, Road/trail construction/maint. Pinyon and juniper woodland (clay, rocky) 1365 1700 4480 5580 1988-01-01
No Photo Available
Dedeckera eurekensis July gold Polygonaceae perennial deciduous shrub May-Aug None CR G3 S3 1B.3 BLM_S; SB_BerrySB; USFS_S Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Mojavean desert scrub (carbonate) 1215 2200 3985 7220 Yes 1980-01-01 Photo of Dedeckera eurekensis
© 2007 Steve Matson
Delphinium bakeri Baker's larkspur Ranunculaceae perennial herb Mar-May FE CE G1 S1 1B.1 SB_UCBG Agriculture, Biocides, Grazing, Non-native plant impacts, Other, Over-collecting/poaching, Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Coastal scrub, Valley and foothill grassland Mesic (often), Shale 80 305 260 1000 Yes 1974-01-01
No Photo Available
Delphinium californicum ssp. interius Hospital Canyon larkspur Ranunculaceae perennial herb Apr-Jun None None G3T3 S3 1B.2 BLM_S; SB_CalBG/RSABG Agriculture, Feral pigs, Grazing, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (openings), Cismontane woodland (mesic), Coastal scrub 195 1095 640 3595 Yes 1984-01-01
No Photo Available
Delphinium hesperium ssp. cuyamacae Cuyamaca larkspur Ranunculaceae perennial herb May-Jul None CR G4T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Development, Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV) Lower montane coniferous forest, Meadows and seeps, Vernal pools Mesic 1220 1631 4005 5350 Yes 1974-01-01
No Photo Available
Delphinium hutchinsoniae Hutchinson's larkspur Ranunculaceae perennial herb Mar-Jun None None G2 S2 1B.2 SB_UCSC; USFS_S Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, Other, Over-collecting/poaching, Road/trail construction/maint. Broadleafed upland forest, Chaparral, Coastal prairie, Coastal scrub 0 427 0 1400 Yes 1974-01-01
No Photo Available
Delphinium variegatum ssp. kinkiense San Clemente Island larkspur Ranunculaceae perennial herb Mar-Apr FD CE G4T2 S2 1B.1 SB_CalBG/RSABG Erosion/runoff Valley and foothill grassland (coastal) 75 500 245 1640 Yes 1980-01-01 Photo of Delphinium variegatum ssp. kinkiense
© 2011 Neal Kramer
Delphinium luteum golden larkspur Ranunculaceae perennial herb Mar-May FE CR G1 S1 1B.1 SB_UCBG Agriculture, Development, Erosion/runoff, Grazing, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Coastal prairie, Coastal scrub Rocky 0 100 0 330 Yes 1974-01-01
No Photo Available
Dimeresia howellii doublet Asteraceae annual herb May-Sep None None G4 S3 2B.3 Foot traffic/trampling, Grazing, Mining, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest, Pinyon and juniper woodland Volcanic 1340 2380 4395 7810 1974-01-01 Photo of Dimeresia howellii
©2016 Richard Spellenberg
Dirca occidentalis western leatherwood Thymelaeaceae perennial deciduous shrub Jan-Mar(Apr) None None G2 S2 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Logging, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Waterway bank protection/maintenance, Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland, Closed-cone coniferous forest, North Coast coniferous forest, Riparian forest, Riparian woodland Mesic 25 425 80 1395 Yes 1974-01-01 Photo of Dirca occidentalis
© 2017 Steve Matson
Dissanthelium californicum California dissanthelium Poaceae annual herb Mar-May None None G1 S1 1B.2 SB_CalBG/RSABG Non-native animal impacts, Non-native plant impacts Coastal scrub 5 500 15 1640 Yes 1974-01-01
No Photo Available
Ditaxis claryana glandular ditaxis Euphorbiaceae perennial herb Oct-Mar None None G3G4 S2 2B.2 Foot traffic/trampling, Non-native animal impacts, ORV activity, Vandalism/dumping/litter Mojavean desert scrub, Sonoran desert scrub Sandy 0 465 0 1525 1974-01-01
No Photo Available
Dithyrea maritima beach spectaclepod Brassicaceae perennial rhizomatous herb Mar-May None CT G1 S1 1B.1 BLM_S; SB_SBBG Erosion/runoff, Feral pigs, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV) Coastal dunes, Coastal scrub (sandy) 3 50 10 165 1980-01-01 Photo of Dithyrea maritima
© 2012 Gary A. Monroe
Downingia concolor var. brevior Cuyamaca Lake downingia Campanulaceae annual herb May-Jul None CE G4T1 S1 1B.1 SB_CRES Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Meadows and seeps (vernally mesic), Vernal pools 1380 1500 4530 4920 Yes 1980-01-01
No Photo Available
Downingia pusilla dwarf downingia Campanulaceae annual herb Mar-May None None GU S2 2B.2 Agriculture, Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Valley and foothill grassland (mesic), Vernal pools 1 445 5 1460 1980-01-01 Photo of Downingia pusilla
© 2013 Aaron Arthur
Draba asterophora var. asterophora Tahoe draba Brassicaceae perennial herb Jul-Aug(Sep) None None G2T2? S2? 1B.2 USFS_S Development, Erosion/runoff, Foot traffic/trampling, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint. Alpine boulder and rock field, Subalpine coniferous forest 2500 3505 8205 11500 1974-01-01
No Photo Available
Draba asterophora var. macrocarpa Cup Lake draba Brassicaceae perennial herb Jul-Aug(Sep) None None G2T1 S1 1B.1 USFS_S Erosion/runoff, Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint. Subalpine coniferous forest (rocky) 2500 2815 8205 9235 Yes 1974-01-01
No Photo Available
Draba aureola golden alpine draba Brassicaceae perennial herb Jul-Aug None None G4 S2 1B.3 SB_UCSC Alpine boulder and rock field, Subalpine coniferous forest Serpentine (sometimes), Volcanic (sometimes) 2000 3355 6560 11010 1974-01-01 Photo of Draba aureola
©2011 John Game
Draba cana canescent draba Brassicaceae perennial herb Jul None None G5 S2 2B.3 Mining, Road/trail construction/maint. Alpine boulder and rock field, Meadows and seeps, Subalpine coniferous forest Carbonate 3000 3505 9845 11500 1980-01-01
No Photo Available
Dudleya blochmaniae ssp. blochmaniae Blochman's dudleya Crassulaceae perennial herb Apr-Jun None None G3T2 S2 1B.1 BLM_S; SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Coastal bluff scrub, Coastal scrub, Valley and foothill grassland Clay (often), Rocky, Serpentine 5 450 15 1475 1974-01-01 Photo of Dudleya blochmaniae ssp. blochmaniae
© 2011 Aaron E. Sims
Dudleya saxosa ssp. saxosa Panamint dudleya Crassulaceae perennial leaf (Apr)May-Sep None None G4T3 S3 1B.3 BLM_S Mojavean desert scrub, Pinyon and juniper woodland Carbonate (sometimes), Granitic (sometimes), Rocky 960 2200 3150 7220 Yes 1974-01-01
No Photo Available
Dudleya abramsii ssp. setchellii Santa Clara Valley dudleya Crassulaceae perennial herb Apr-Oct FE None G4T2 S2 1B.1 SB_CalBG/RSABG Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Insufficient population/stand size, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Waterway bank protection/maintenance Cismontane woodland, Valley and foothill grassland Rocky, Serpentine 60 535 195 1755 Yes 1988-01-01
No Photo Available
Dudleya stolonifera Laguna Beach dudleya Crassulaceae perennial stoloniferous herb May-Jul FT CT G1 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Hybridization, Improper burning regime, Non-native plant impacts, Other, Over-collecting/poaching, Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland Rocky 10 260 35 855 Yes 1974-01-01
No Photo Available
Dudleya traskiae Santa Barbara Island dudleya Crassulaceae perennial herb Feb-Jul FE CE G1 S1 1B.2 SB_SBBG Erosion/runoff Coastal bluff scrub, Coastal scrub Rocky 30 110 100 360 Yes 1974-01-01
No Photo Available
Dudleya variegata variegated dudleya Crassulaceae perennial herb Apr-Jun None None G2G3 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland, Vernal pools Clay 3 580 10 1905 1974-01-01
No Photo Available
Dudleya verityi Verity's dudleya Crassulaceae perennial herb May-Jun FT None G1 S1 1B.1 SB_CalBG/RSABG Improper burning regime, Insufficient population/stand size, Non-native plant impacts, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal scrub Rocky, Volcanic 60 120 195 395 Yes 1984-01-01 Photo of Dudleya verityi
© 2015 Adam Searcy
Dudleya virens ssp. virens bright green dudleya Crassulaceae perennial herb Apr-Jul None None G3?T2 S2 1B.2 SB_CRES Chaparral, Coastal bluff scrub, Coastal scrub Rocky 5 400 15 1310 1974-01-01
No Photo Available
Dudleya viscida sticky dudleya Crassulaceae perennial herb May-Jun None None G2 S2 1B.2 BLM_S; SB_CRES; USFS_S Biocides, Dam/Inundation, Development, Military operations, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal bluff scrub, Coastal scrub Rocky 10 550 35 1805 Yes 1974-01-01
No Photo Available
Echinocereus engelmannii var. howei Howe's hedgehog cactus Cactaceae perennial stem Apr-May None None G5T1 S1 1B.1 BLM_S Other, Over-collecting/poaching Mojavean desert scrub 430 775 1410 2545 Yes 1980-01-01
No Photo Available
Elymus scribneri Scribner's wheat grass Poaceae perennial herb Jul-Aug None None G5 S3 2B.3 Alpine boulder and rock field 2900 4200 9515 13780 1974-01-01
No Photo Available
Empetrum nigrum black crowberry Empetraceae perennial evergreen shrub Apr-Jun None None G5 S1? 2B.2 Foot traffic/trampling, Grazing Coastal bluff scrub, Coastal prairie 10 200 35 655 1974-01-01 Photo of Empetrum nigrum
©2015 Dana York
Enceliopsis covillei Panamint daisy Asteraceae perennial herb Mar-Jun None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Erosion/runoff, Mining, Non-native animal impacts, ORV activity, Other, Over-collecting/poaching Mojavean desert scrub (subalkaline) 400 1830 1310 6005 Yes 1974-01-01 Photo of Enceliopsis covillei
© 2013 Sheryl Creer
Enneapogon desvauxii nine-awned pappus grass Poaceae perennial herb Aug-Sep None None G5 S3 2B.2 SB_CalBG/RSABG Channelization, Development, Grazing, Logging, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter Pinyon and juniper woodland (carbonate, rocky) 1275 1825 4185 5990 1974-01-01
No Photo Available
Epilobium luteum yellow willowherb Onagraceae perennial stoloniferous herb Jul-Sep None None G5 S1 2B.3 Grazing, Logging, Other Lower montane coniferous forest (seeps, Streambanks), Meadows and seeps 1500 2195 4920 7200 1974-01-01 Photo of Epilobium luteum
© 2021 Scot Loring
Epilobium nivium Snow Mountain willowherb Onagraceae perennial herb Jun-Oct None None G2G3 S2S3 1B.2 BLM_S; SB_UCSC; USFS_S Foot traffic/trampling, ORV activity, Recreational use (non-ORV), Wood cutting or brush clearing Chaparral, Upper montane coniferous forest Rocky 795 2500 2610 8205 Yes 1974-01-01 Photo of Epilobium nivium
©2011 Ryan Elliott
Epilobium oreganum Oregon fireweed Onagraceae perennial herb Jun-Sep None None G3 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Other, Recreational use (non-ORV), Road/trail construction/maint. Bogs and fens, Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Mesic 500 2240 1640 7350 1980-01-01 Photo of Epilobium oreganum
© 2015 Steve Matson
Epilobium siskiyouense Siskiyou fireweed Onagraceae perennial herb Jul-Sep None None G3 S3 1B.3 BLM_S; SB_BerrySB Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Other, Road/trail construction/maint. Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest Rocky, Serpentine 1700 2500 5580 8205 1980-01-01 Photo of Epilobium siskiyouense
©2014 Julie Kierstead Nelson
Eremalche parryi ssp. kernensis Kern mallow Malvaceae annual herb Jan(Feb)Mar-May FE None G3G4T3 S3 1B.2 SB_CalBG/RSABG; SB_SBBG Agriculture, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chenopod scrub, Pinyon and juniper woodland, Valley and foothill grassland Clay (sometimes), Dry, Openings, Sandy (sometimes) 70 1290 230 4230 Yes 1974-01-01
No Photo Available
Eriastrum brandegeeae Brandegee's eriastrum Polemoniaceae annual herb Apr-Aug None None G1Q S1 1B.1 BLM_S Development, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland Sandy, Volcanic 425 840 1395 2755 Yes 1974-01-01
No Photo Available
Eriastrum densifolium ssp. sanctorum Santa Ana River woollystar Polemoniaceae perennial herb Apr-Sep FE CE G4T1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Channelization, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Waterway bank protection/maintenance, Wood cutting or brush clearing Chaparral, Coastal scrub (alluvial fans) Gravelly (sometimes), Sandy (sometimes) 91 610 300 2000 Yes 1980-01-01
No Photo Available
Eriastrum luteum yellow-flowered eriastrum Polemoniaceae annual herb May-Jun None None G2 S2 1B.2 BLM_S; USFS_S Dam/Inundation, Development, Erosion/runoff, Grazing, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland Gravelly (sometimes), Sandy (sometimes) 290 1000 950 3280 Yes 1974-01-01
No Photo Available
Ericameria fasciculata Eastwood's goldenbush Asteraceae perennial evergreen shrub Jul-Oct None None G2 S2 1B.1 BLM_S; SB_UCSC Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Wood cutting or brush clearing Chaparral (maritime), Closed-cone coniferous forest, Coastal dunes, Coastal scrub Openings, Sandy 30 275 100 900 Yes 1974-01-01
No Photo Available
Ericameria palmeri var. palmeri Palmer's goldenbush Asteraceae perennial evergreen shrub (Jul)Sep-Nov None None G4T2? S2 1B.1 BLM_S; SB_CRES Development, Foot traffic/trampling, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub Mesic 30 600 100 1970 1980-01-01
No Photo Available
Erigeron nivalis snow fleabane daisy Asteraceae perennial herb Jul-Aug None None G5 S3 2B.3 Logging Alpine boulder and rock field, Meadows and seeps, Subalpine coniferous forest Rocky, Volcanic 1735 2900 5695 9515 1984-01-01 Photo of Erigeron nivalis
©2018 Matt C. Berger
Harmonia guggolziorum Guggolz's harmonia Asteraceae annual herb Apr-May None None G1 S1 1B.1 SB_UCSC Agriculture, Development, Grazing, Non-native plant impacts, Road/trail construction/maint. Chaparral (openings, serpentine) 160 195 525 640 Yes 2004-01-01 Photo of Harmonia guggolziorum
© 2019 Steve Matson
Collinsia antonina San Antonio collinsia Plantaginaceae annual herb Mar-May None None G2 S2 1B.2 BLM_S Foot traffic/trampling, Grazing, Other Chaparral, Cismontane woodland 280 365 920 1200 Yes 1974-01-01
No Photo Available
Erigeron aequifolius Hall's daisy Asteraceae perennial rhizomatous herb Jun-Aug None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Road/trail construction/maint. Broadleafed upland forest, Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest Granitic, Rocky 1500 2440 4920 8005 Yes 1974-01-01
No Photo Available
Erigeron bloomeri var. nudatus Waldo daisy Asteraceae perennial herb Jun-Jul None None G5T4 S2 2B.3 Lower montane coniferous forest, Upper montane coniferous forest Serpentine 600 2300 1970 7545 1980-01-01 Photo of Erigeron bloomeri var. nudatus
©2020 John Doyen
Erigeron blochmaniae Blochman's leafy daisy Asteraceae perennial rhizomatous herb Jun-Aug None None G2 S2 1B.2 BLM_S; SB_SBBG Agriculture, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal dunes, Coastal scrub 3 45 10 150 Yes 1974-01-01
No Photo Available
Erigeron miser starved daisy Asteraceae perennial herb Jun-Oct None None G3? S3? 1B.3 SB_UCSC; USFS_S Foot traffic/trampling, Insufficient population/stand size, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint. Upper montane coniferous forest (rocky) 1840 2620 6035 8595 Yes 1974-01-01
No Photo Available
Erigeron multiceps Kern River daisy Asteraceae perennial herb Jun-Sep None None G2G3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Meadows and seeps, Upper montane coniferous forest (openings) 1500 2535 4920 8315 1974-01-01
No Photo Available
Erigeron parishii Parish's daisy Asteraceae perennial herb May-Aug FT None G2 S2 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Mojavean desert scrub, Pinyon and juniper woodland Carbonate (usually), Granitic (sometimes) 800 2000 2625 6560 Yes 1974-01-01
No Photo Available
Erigeron supplex supple daisy Asteraceae perennial herb May-Jul None None G2 S2 1B.2 BLM_S; SB_UCBG Development, Grazing, Logging, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Coastal bluff scrub, Coastal prairie 10 50 35 165 Yes 1974-01-01
No Photo Available
Erigeron uncialis var. uncialis limestone daisy Asteraceae perennial herb May-Jul None None G4T2 S2 1B.2 BLM_S; USFS_S Mining Great Basin scrub, Pinyon and juniper woodland, Subalpine coniferous forest Carbonate 1900 2900 6235 9515 1984-01-01 Photo of Erigeron uncialis var. uncialis
© 2011 John Game
Eriodictyon altissimum Indian Knob mountainbalm Namaceae perennial evergreen shrub Mar-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_USDA Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland, Coastal scrub Sandstone 80 270 260 885 Yes 1974-01-01 Photo of Eriodictyon altissimum
Aaron Schusteff
Eriodictyon angustifolium narrow-leaved yerba santa Namaceae perennial evergreen shrub May-Aug None None G5 S3 2B.3 Pinyon and juniper woodland 1500 1900 4920 6235 1974-01-01
No Photo Available
Eriodictyon capitatum Lompoc yerba santa Namaceae perennial evergreen shrub May-Sep FE CR G2 S2 1B.2 SB_CalBG/RSABG; SB_SBBG; SB_USDA Development, Erosion/runoff, Feral pigs, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral (maritime), Closed-cone coniferous forest, Coastal bluff scrub Sandy 40 900 130 2955 Yes 1974-01-01
No Photo Available
Eriogonum alpinum Trinity buckwheat Polygonaceae perennial rhizomatous herb Jun-Sep None CE G2 S2 1B.2 USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, ORV activity Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest Rocky, Serpentine 1675 2900 5495 9515 Yes 1974-01-01 Photo of Eriogonum alpinum
Eric White 2010
Eriogonum apricum var. apricum Ione buckwheat Polygonaceae perennial herb Jul-Oct FE CE G2T1 S1 1B.1 SB_UCBG Development, Improper burning regime, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (openings, Ione soil) 60 145 195 475 Yes 1974-01-01
No Photo Available
Eriogonum apricum var. prostratum Irish Hill buckwheat Polygonaceae perennial herb Jun-Jul FE CE G2T1 S1 1B.1 Development, Grazing, Mining, ORV activity, Road/trail construction/maint. Chaparral (openings, Ione soil) 90 120 295 395 Yes 1974-01-01
No Photo Available
Iris hartwegii ssp. columbiana Tuolumne iris Iridaceae perennial rhizomatous herb May-Jun None None G4T1 S1 1B.2 BLM_S; USFS_S ORV activity, Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest 425 1400 1395 4595 Yes 1980-01-01
No Photo Available
Iris munzii Munz's iris Iridaceae perennial rhizomatous herb Mar-Apr(May) None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Development, Other, Road/trail construction/maint. Cismontane woodland 305 800 1000 2625 Yes 1974-01-01 Photo of Iris munzii
© 2009 Irene Lindsey
Iva hayesiana San Diego marsh-elder Asteraceae perennial herb Apr-Oct None None G3 S2 2B.2 SB_CalBG/RSABG Agriculture, Channelization, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Marshes and swamps, Playas 0 500 0 1640 1980-01-01
No Photo Available
Ivesia aperta var. aperta Sierra Valley ivesia Rosaceae perennial herb Jun-Sep None None G2G3T2T3 S2 1B.2 BLM_S; SB_UCSC; USFS_S Agriculture, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland, Vernal pools Vernally Mesic, Volcanic (usually) 1480 2300 4855 7545 1980-01-01 Photo of Ivesia aperta var. aperta
© 2008 Steve Matson
Ivesia argyrocoma var. argyrocoma silver-haired ivesia Rosaceae perennial herb Jun-Aug None None G2T2 S2 1B.2 SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps (alkaline), Pebble (Pavement) plain, Upper montane coniferous forest 1463 2960 4800 9710 Yes 1974-01-01 Photo of Ivesia argyrocoma var. argyrocoma
© 2015 Keir Morse
Lyonothamnus floribundus ssp. aspleniifolius Santa Cruz Island ironwood Rosaceae perennial evergreen tree May-Jul None None G3T3 S3 1B.2 IUCN_VU; SB_CalBG/RSABG Broadleafed upland forest, Chaparral, Cismontane woodland 20 580 65 1905 Yes 1980-01-01
No Photo Available
Lyonothamnus floribundus ssp. floribundus Santa Catalina Island ironwood Rosaceae perennial evergreen tree May-Jun None None G3T2 S2 1B.2 IUCN_VU; SB_CalBG/RSABG; SB_SBBG Grazing, Non-native animal impacts Broadleafed upland forest, Chaparral, Cismontane woodland 75 500 245 1640 Yes 1980-01-01
No Photo Available
Dieteria asteroides var. lagunensis Mt. Laguna aster Asteraceae perennial herb (May)Jul-Aug None CR G5?T2 S1 2B.1 BLM_S; SB_CRES; USFS_S Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland, Lower montane coniferous forest 790 2400 2590 7875 1988-01-01 Photo of Dieteria asteroides var. lagunensis
© 2016 Keir Morse
Dieteria canescens var. ziegleri Ziegler's aster Asteraceae perennial herb Jul-Oct None None G5T1 S1 1B.2 SB_CalBG/RSABG; SB_USDA; USFS_S Lower montane coniferous forest, Upper montane coniferous forest 1372 2499 4500 8200 Yes 1980-01-01
No Photo Available
Harmonia doris-nilesiae Niles' harmonia Asteraceae annual herb May-Jul None None G2G3 S2S3 1B.1 BLM_S; SB_UCSC; USFS_S Logging, Mining, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest Openings, Rocky, Serpentine (usually) 650 1660 2135 5445 Yes 1988-01-01 Photo of Harmonia doris-nilesiae
©2013 Julie Kierstead Nelson
Monotropa uniflora ghost-pipe Ericaceae perennial herb (achlorophyllous) Jun-Aug(Sep) None None G5 S2 2B.2 SB_CalBG/RSABG Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, North Coast coniferous forest 10 550 35 1805 1974-01-01 Photo of Monotropa uniflora
© 2021 Scot Loring
Muhlenbergia arsenei tough muhly Poaceae perennial rhizomatous herb Aug-Oct None None G5 S2? 2B.3 Development, Logging, Mining, ORV activity Pinyon and juniper woodland (carbonate, rocky) 1400 1860 4595 6105 1974-01-01
No Photo Available
Muhlenbergia pauciflora few-flowered muhly Poaceae perennial rhizomatous herb Sep-Oct None None G5 S2 2B.3 Pinyon and juniper woodland (rocky) 1755 1860 5760 6105 1988-01-01
No Photo Available
Bloomeria clevelandii San Diego goldenstar Themidaceae perennial bulbiferous herb Apr-May None None G2G3 S3 1B.1 BLM_S; SB_CalBG/RSABG; SB_CRES; SB_UCBG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Improper burning regime, Landfill, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools Clay 50 465 165 1525 1974-01-01
No Photo Available
Suaeda occidentalis western seablite Chenopodiaceae annual herb Jul-Sep None None G5 S2 2B.3 Great Basin scrub (alkaline, mesic) 1200 1500 3935 4920 2001-01-01 Photo of Suaeda occidentalis
©2016 Steve Matson
Frasera albomarginata var. albomarginata desert green-gentian Gentianaceae perennial herb Apr-Jun(Jul-Sep) None None G5T5 S3 2B.2 Foot traffic/trampling, Grazing Pinyon and juniper woodland (gravelly, rocky) 1370 2315 4495 7595 2001-01-01
No Photo Available
Synthyris missurica ssp. missurica kitten-tails Plantaginaceae perennial rhizomatous herb (May)Jun-Jul(Aug) None None G4G5T4T5 S3 2B.3 SB_BerrySB Foot traffic/trampling, Grazing, Logging, Mining, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest 2000 2560 6560 8400 2001-01-01
No Photo Available
Tetradymia tetrameres dune horsebrush Asteraceae perennial shrub (Jul)Aug None None G4 S2 2B.2 SB_CalBG/RSABG Great Basin scrub (sandy) 1200 2135 3935 7005 2001-01-01
No Photo Available
Teucrium glandulosum desert germander Lamiaceae perennial stoloniferous herb Apr-May None None G4 S2 2B.3 Sonoran desert scrub (rocky) 400 790 1310 2590 2001-01-01
No Photo Available
Thelypodium howellii ssp. howellii Howell's thelypodium Brassicaceae perennial herb May-Jul None None G1T1 S1 1B.2 BLM_S; SB_UCSC; USFS_S Grazing, Other Great Basin scrub, Meadows and seeps (alkaline) 1200 1830 3935 6005 2001-01-01 Photo of Thelypodium howellii ssp. howellii
©1990 Dean Wm. Taylor
Poa rhizomata timber blue grass Poaceae perennial rhizomatous herb Apr-Jul None None G2G3 S2S3 1B.3 Foot traffic/trampling, Grazing, Logging Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Mesic, Serpentine (sometimes) 520 2040 1705 6695 1974-01-01
No Photo Available
Pogogyne abramsii San Diego mesa mint Lamiaceae annual herb Mar-Jul FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Foot traffic/trampling, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Vernal pools 90 200 295 655 Yes 1974-01-01
No Photo Available
Pogogyne clareana Santa Lucia mint Lamiaceae annual herb Apr-Jul None CE G2 S2 1B.2 SB_SBBG Grazing, Military operations, ORV activity, Road/trail construction/maint. Chaparral, Cismontane woodland, Riparian woodland Streambanks 300 630 985 2065 Yes 1974-01-01
No Photo Available
Pogogyne nudiuscula Otay Mesa mint Lamiaceae annual herb May-Jul FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Vernal pools 90 250 295 820 1974-01-01
No Photo Available
Polemonium chartaceum Mason's sky pilot Polemoniaceae perennial herb Jun-Aug None None G2 S2 1B.3 SB_CalBG/RSABG; USFS_S ORV activity, Other, Road/trail construction/maint. Alpine boulder and rock field, Subalpine coniferous forest Granitic, Rocky, Serpentine, Volcanic (sometimes) 3290 4270 10795 14010 1980-01-01
No Photo Available
Thelypodium stenopetalum slender-petaled thelypodium Brassicaceae perennial herb May-Sep FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps (mesic, alkaline) 1600 2500 5250 8205 Yes 1974-01-01
No Photo Available
Thermopsis macrophylla Santa Ynez false lupine Fabaceae perennial rhizomatous herb Apr-Jun None CR G1 S1 1B.3 SB_CalBG/RSABG; SB_SBBG; USFS_S Dam/Inundation, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (disturbed areas, granitic, sandy) 425 1400 1395 4595 Yes 1974-01-01
No Photo Available
Thermopsis californica var. semota velvety false lupine Fabaceae perennial rhizomatous herb Mar-Jun None None G4T2 S2 1B.2 BLM_S; SB_CRES; USFS_S Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, Valley and foothill grassland 1000 1870 3280 6135 Yes 1974-01-01
No Photo Available
Noccaea fendleri ssp. californica Kneeland Prairie pennycress Brassicaceae perennial herb May-Jun FE None G5?T1 S1 1B.1 SB_UCSC Development, Grazing, Road/trail construction/maint. Coastal prairie (serpentinite) 760 815 2495 2675 Yes 1980-01-01
No Photo Available
Poliomintha incana frosted mint Lamiaceae perennial shrub Jun-Jul None None G5 SH 2A Lower montane coniferous forest (mesic) 1600 1700 5250 5580 1994-01-01
No Photo Available
Rhinotropis heterorhyncha notch-beaked milkwort Polygalaceae perennial herb Apr-May None None G3 S2 2B.3 Mojavean desert scrub (alkaline) 900 1600 2955 5250 1994-01-01
No Photo Available
Potamogeton epihydrus Nuttall's ribbon-leaved pondweed Potamogetonaceae perennial rhizomatous herb (aquatic) (Jun)Jul-Sep None None G5 S2S3 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Non-native plant impacts, ORV activity, Pollution, Recreational use (non-ORV) Marshes and swamps (shallow freshwater) 369 2172 1210 7125 1994-01-01 Photo of Potamogeton epihydrus
Louis-M. Landry, 2010
Stuckenia filiformis ssp. alpina northern slender pondweed Potamogetonaceae perennial rhizomatous herb (aquatic) May-Jul None None G5T5 S2S3 2B.2 Marshes and swamps (shallow freshwater) 300 2150 985 7055 1994-01-01 Photo of Stuckenia filiformis ssp. alpina
Dana York (2016)
Potamogeton foliosus ssp. fibrillosus fibrous pondweed Potamogetonaceae perennial rhizomatous herb (aquatic) Unk None None G5T2T3 S1S2 2B.3 Marshes and swamps (shallow freshwater) 5 1300 15 4265 1994-01-01
No Photo Available
Potamogeton praelongus white-stemmed pondweed Potamogetonaceae perennial rhizomatous herb (aquatic) Jul-Aug None None G5 S2 2B.3 IUCN_LC Marshes and swamps (lakes, deep water) 1800 3000 5905 9845 1994-01-01 Photo of Potamogeton praelongus
©2011 Sierra Pacific Industries
Eriogonum bifurcatum forked buckwheat Polygonaceae annual herb Apr-Jun None None G3 S3 1B.2 BLM_S; SB_CalBG/RSABG Agriculture, Development, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter Chenopod scrub (sandy) 645 810 2115 2660 1974-01-01
No Photo Available
Eriogonum breedlovei var. breedlovei Breedlove's buckwheat Polygonaceae perennial herb Jun-Aug None None G3T2 S2 1B.2 SB_CalBG/RSABG; USFS_S Grazing, Logging, Mining, Wood cutting or brush clearing Pinyon and juniper woodland, Upper montane coniferous forest Carbonate (often) 1890 2590 6200 8500 Yes 1974-01-01
No Photo Available
Physaria kingii ssp. bernardina San Bernardino Mountains bladderpod Brassicaceae perennial herb May-Jun FE None G5T1 S1 1B.1 SB_CalBG/RSABG Dam/Inundation, Development, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Lower montane coniferous forest, Pinyon and juniper woodland, Subalpine coniferous forest Carbonate (usually) 1850 2700 6070 8860 Yes 1974-01-01
No Photo Available
Lessingia germanorum San Francisco lessingia Asteraceae annual herb (Jun)Jul-Nov FE CE G1 S1 1B.1 Development, Non-native plant impacts, Other Coastal scrub (remnant dunes) 25 110 80 360 Yes 1980-01-01 Photo of Lessingia germanorum
© 2019 Aaron Schusteff
Lessingia glandulifera var. tomentosa Warner Springs lessingia Asteraceae annual herb Aug-Oct None None G4?T2 S2 1B.1 BLM_S; USFS_S Grazing, Road/trail construction/maint. Chaparral (sandy) 870 1220 2855 4005 Yes 1980-01-01 Photo of Lessingia glandulifera var. tomentosa
© 2014 Keir Morse
Lewisia brachycalyx short-sepaled lewisia Montiaceae perennial herb (Feb)Apr-Jun(Jul) None None G4 S2 2B.2 USFS_S Development, Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Meadows and seeps Mesic 1370 2300 4495 7545 1984-01-01 Photo of Lewisia brachycalyx
Gerald and Buff Corsi © 2002 California Academy of Sciences
Lewisia cantelovii Cantelow's lewisia Montiaceae perennial herb May-Oct None None G3 S3 1B.2 BLM_S; SB_UCSC; USFS_S Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Logging, Mining, Non-native plant impacts, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest Granitic, Mesic, Seeps (sometimes), Serpentine (sometimes) 330 1370 1085 4495 Yes 1974-01-01 Photo of Lewisia cantelovii
©2005 Steve Matson
Lewisia congdonii Congdon's lewisia Montiaceae perennial herb Apr-Jun None CR G2 S2 1B.3 SB_UCSC; USFS_S Biocides, Erosion/runoff, Mining, Over-collecting/poaching, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest, Upper montane coniferous forest, Valley and foothill grassland Granitic (sometimes), Mesic, Metamorphic (sometimes), Rocky 500 2800 1640 9185 Yes 1974-01-01 Photo of Lewisia congdonii
© 2010 Aaron Schusteff
Lewisia cotyledon var. heckneri Heckner's lewisia Montiaceae perennial herb (Apr)May-Jul None None G4T3 S3 1B.2 BLM_S; SB_UCSC Foot traffic/trampling, Logging, Mining, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest (rocky) 225 2100 740 6890 Yes 1980-01-01 Photo of Lewisia cotyledon var. heckneri
©2010 Neal Kramer
Lewisia disepala Yosemite lewisia Montiaceae perennial herb Mar-Jun None None G2 S2 1B.2 BLM_S; USFS_S Development, Foot traffic/trampling, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest Granitic, Sandy 1035 3500 3395 11485 Yes 1974-01-01 Photo of Lewisia disepala
© 2009 Steven Perry
Lewisia oppositifolia opposite-leaved lewisia Montiaceae perennial herb Apr-May(Jun) None None G3 S2 2B.2 USFS_S Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest (mesic) 300 1220 985 4005 1974-01-01 Photo of Lewisia oppositifolia
© 2013 Scot Loring
Lewisia longipetala long-petaled lewisia Montiaceae perennial herb Jul-Aug(Sep) None None G2 S2 1B.3 USFS_S Development, Grazing, ORV activity, Other Alpine boulder and rock field, Subalpine coniferous forest (mesic, rocky) Granitic 2500 2925 8205 9595 Yes 1974-01-01 Photo of Lewisia longipetala
© 2009 Gary A. Monroe
Lewisia serrata saw-toothed lewisia Montiaceae perennial herb May-Jun None None G1G2 S1S2 1B.1 USFS_S Logging, Over-collecting/poaching, Road/trail construction/maint. Broadleafed upland forest, Lower montane coniferous forest, Riparian forest Mesic, Rocky, Slopes 770 1435 2525 4710 Yes 1980-01-01 Photo of Lewisia serrata
© 2002 Steve Tyron
Diplacus brandegeei Santa Cruz Island monkeyflower Phrymaceae annual herb Mar-May None None G1 SX 1A Grazing Coastal scrub, Valley and foothill grassland Rocky 60 305 195 1000 1974-01-01
No Photo Available
Erythranthe exigua San Bernardino Mountains monkeyflower Phrymaceae annual herb May-Jul None None G2 S1S2 1B.2 SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Pebble (Pavement) plain, Upper montane coniferous forest Clay, Mesic 1800 2315 5905 7595 1974-01-01
No Photo Available
Erythranthe filicaulis slender-stemmed monkeyflower Phrymaceae annual herb Apr-Aug None None G2 S2 1B.2 BLM_S; USFS_S Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Vernally Mesic 900 1750 2955 5740 Yes 1974-01-01 Photo of Erythranthe filicaulis
John Doyen, 2020
Erythranthe utahensis Utah monkeyflower Phrymaceae perennial rhizomatous herb Apr None None G4G5 S1 2B.1 Foot traffic/trampling, Surface water diversion Meadows and seeps, Pinyon and juniper woodland 610 2000 2000 6560 1980-01-01
No Photo Available
Laphamia villosa Hanaupah rock daisy Asteraceae perennial herb Jun None None G2 S2 1B.3 BLM_S Great Basin scrub, Pinyon and juniper woodland Carbonate, Rocky 1700 2600 5580 8530 Yes 1974-01-01
No Photo Available
Petalonyx thurberi ssp. gilmanii Death Valley sandpaper-plant Loasaceae perennial evergreen shrub May-Sep None None G5T2 S2 1B.3 BLM_S; SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Desert dunes, Mojavean desert scrub 260 1445 855 4740 Yes 1974-01-01
No Photo Available
Peteria thompsoniae spine-noded milk vetch Fabaceae perennial herb May-Jun None None G4 S1 2B.1 ORV activity Mojavean desert scrub (alluvial fans, sandy) 800 825 2625 2705 1988-01-01
No Photo Available
Cuniculotinus gramineus Panamint rock-goldenrod Asteraceae perennial herb Jun-Aug None None G3G4 S3 2B.3 Pinyon and juniper woodland, Subalpine coniferous forest Carbonate, Rocky 2040 2900 6695 9515 1994-01-01
No Photo Available
Phacelia anelsonii Aven Nelson's phacelia Hydrophyllaceae annual herb Apr-May None None G2G3 S2 2B.3 SB_CalBG/RSABG Joshua tree "woodland", Pinyon and juniper woodland Carbonate, Gravelly (sometimes), Sandy (sometimes) 1200 1980 3935 6495 1980-01-01
No Photo Available
Phacelia argentea sand dune phacelia Hydrophyllaceae perennial herb Jun-Aug FT None G2 S1 1B.1 SB_BerrySB Development, Erosion/runoff, Foot traffic/trampling, Grazing, Landfill, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Coastal dunes 3 25 10 80 1974-01-01 Photo of Phacelia argentea
© 2012 Genevieve K Walden
Rubus nivalis snow dwarf bramble Rosaceae perennial evergreen vine Jun-Aug None None G4? S1 2B.3 Logging North Coast coniferous forest 1085 1350 3560 4430 1980-01-01 Photo of Rubus nivalis
© 2021 Scot Loring
Sagittaria sanfordii Sanford's arrowhead Alismataceae perennial rhizomatous herb (emergent) May-Oct(Nov) None None G3 S3 1B.2 BLM_S Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Waterway bank protection/maintenance Marshes and swamps (shallow freshwater) 0 650 0 2135 Yes 1984-01-01 Photo of Sagittaria sanfordii
©2013 Debra L. Cook
Salix brachycarpa var. brachycarpa short-fruited willow Salicaceae perennial deciduous shrub Jun-Jul None None G5T5 S2 2B.3 Grazing, Recreational use (non-ORV) Alpine dwarf scrub, Meadows and seeps, Subalpine coniferous forest Carbonate 3000 3500 9845 11485 1974-01-01
No Photo Available
Salix nivalis snow willow Salicaceae perennial deciduous shrub Jul-Aug None None G5 S2 2B.3 Other, Recreational use (non-ORV) Alpine dwarf scrub 3100 3500 10170 11485 1984-01-01 Photo of Salix nivalis
© 2009 Steve Matson
Salvia brandegeei Brandegee's sage Lamiaceae perennial evergreen shrub Apr-May None None G3 S2 1B.2 SB_CalBG/RSABG; SB_SBBG Erosion/runoff Chaparral, Closed-cone coniferous forest, Coastal scrub 5 200 15 655 1974-01-01
No Photo Available
Salvia greatae Orocopia sage Lamiaceae perennial evergreen shrub Mar-Apr None None G2G3 S2S3 1B.3 BLM_S; SB_CalBG/RSABG Foot traffic/trampling, Military operations, ORV activity, Other, Recreational use (non-ORV) Mojavean desert scrub, Sonoran desert scrub -40 825 -130 2705 Yes 1974-01-01
No Photo Available
Salvia munzii Munz's sage Lamiaceae perennial evergreen shrub Feb-Apr None None G3 S2 2B.2 SB_CalBG/RSABG; SB_CRES Development, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Coastal scrub 115 1065 375 3495 1974-01-01
No Photo Available
Sanicula maritima adobe sanicle Apiaceae perennial herb Feb-May None CR G2 S2 1B.1 SB_SBBG; USFS_S Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Coastal prairie, Meadows and seeps, Valley and foothill grassland Clay, Serpentine 30 240 100 785 Yes 1974-01-01
No Photo Available
Phacelia pulchella var. gooddingii Goodding's phacelia Hydrophyllaceae annual herb Apr-Jun None None G5T3 S2 2B.2 Development, Non-native plant impacts, ORV activity Mojavean desert scrub (clay, often alkaline) 765 1000 2510 3280 1994-01-01
No Photo Available
Phacelia stellaris Brand's star phacelia Hydrophyllaceae annual herb Mar-Jun None None G1 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV) Coastal dunes, Coastal scrub 1 400 5 1310 1994-01-01
No Photo Available
Piperia candida white-flowered rein orchid Orchidaceae perennial herb (Mar-Apr)May-Sep None None G3? S3 1B.2 BLM_S; SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Broadleafed upland forest, Lower montane coniferous forest, North Coast coniferous forest Serpentine (sometimes) 30 1310 100 4300 1994-01-01 Photo of Piperia candida
©2016 Barry Rice
Piperia yadonii Yadon's rein orchid Orchidaceae perennial herb (Feb)May-Aug FE None G1 S1 1B.1 Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Closed-cone coniferous forest, Coastal bluff scrub Sandy 10 510 35 1675 Yes 1994-01-01
No Photo Available
Plagiobothrys salsus desert popcornflower Boraginaceae annual herb May-Aug None None G2G3 S1 2B.2 SB_CalBG/RSABG Grazing Playas (alkaline) 700 700 2295 2295 1994-01-01
No Photo Available
Eriogonum butterworthianum Butterworth's buckwheat Polygonaceae perennial herb Jun-Jul None CR G1 S1 1B.3 BLM_S; SB_UCSC; USFS_S Foot traffic/trampling, Other Chaparral (sandstone), Valley and foothill grassland Sandstone, Sandy 585 740 1920 2430 Yes 1974-01-01 Photo of Eriogonum butterworthianum
© 2020 Aaron Schusteff
Eriogonum luteolum var. caninum Tiburon buckwheat Polygonaceae annual herb May-Sep None None G5T2 S2 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal prairie, Valley and foothill grassland Gravelly, Sandy, Serpentine 0 700 0 2295 Yes 1974-01-01
No Photo Available
Eriogonum contiguum Reveal's buckwheat Polygonaceae annual herb (Feb)Mar-May(Jun) None None G3 S2 2B.3 BLM_S; SB_CalBG/RSABG Channelization, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint. Mojavean desert scrub (sandy) 30 1320 100 4330 1974-01-01
No Photo Available
Eriogonum crocatum Conejo buckwheat Polygonaceae perennial herb Apr-Jul None CR G1 S1 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Coastal scrub, Valley and foothill grassland Rocky, Volcanic 50 580 165 1905 Yes 1974-01-01
No Photo Available
Eriogonum diclinum Jaynes Canyon buckwheat Polygonaceae perennial herb Jun-Sep None None G3 S3 2B.3 Upper montane coniferous forest (often serpentine) 1700 2400 5580 7875 1974-01-01 Photo of Eriogonum diclinum
©1993 Dean Wm. Taylor
Eriogonum eastwoodianum Eastwood's buckwheat Polygonaceae annual herb May-Sep None None G2 S2 1B.3 SB_SBBG Cismontane woodland, Valley and foothill grassland Clay, Sandy, Shale, Talus 200 1000 655 3280 Yes 1974-01-01
No Photo Available
Eriogonum eremicola Wildrose Canyon buckwheat Polygonaceae annual herb Jun-Sep None None G1 S1 1B.3 BLM_S; SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Mining, Road/trail construction/maint. Pinyon and juniper woodland, Upper montane coniferous forest Gravelly (sometimes), Sandy (sometimes) 2200 3100 7220 10170 Yes 1974-01-01
No Photo Available
Eriogonum thornei Thorne's buckwheat Polygonaceae perennial shrub (Jun)Jul-Aug None CE G1 S1 1B.2 SB_CalBG/RSABG Improper burning regime, Mining, Road/trail construction/maint. Pinyon and juniper woodland (gravelly) 1800 1830 5905 6005 Yes 1974-01-01
No Photo Available
Eriogonum giganteum var. compactum Santa Barbara Island buckwheat Polygonaceae perennial deciduous shrub May-Aug(Sep) None CR G3T2 S2 1B.3 SB_CalBG/RSABG; SB_USDA Erosion/runoff, Foot traffic/trampling, Other Coastal bluff scrub (usually rocky) 10 300 35 985 Yes 1974-01-01
No Photo Available
Eriogonum giganteum var. formosum San Clemente Island buckwheat Polygonaceae perennial deciduous shrub Mar-Oct None None G3T3? S3? 1B.2 SB_CalBG/RSABG Development Coastal bluff scrub (rocky) 10 455 35 1495 Yes 1974-01-01
No Photo Available
Eriogonum gilmanii Gilman's buckwheat Polygonaceae perennial herb May-Sep None None G3 S3 1B.3 Mojavean desert scrub (gravelly) 1220 2225 4005 7300 Yes 1974-01-01
No Photo Available
Eriogonum grande var. rubescens red-flowered buckwheat Polygonaceae perennial herb Apr-Oct None None G4T3 S3 1B.2 Erosion/runoff Chaparral, Coastal bluff scrub, Coastal scrub 10 245 35 805 Yes 1980-01-01
No Photo Available
Eriogonum grande var. timorum San Nicolas Island buckwheat Polygonaceae perennial herb Mar-Oct None CE G4T1 S1 1B.1 Coastal bluff scrub 10 215 35 705 Yes 1974-01-01
No Photo Available
Eriogonum hirtellum Klamath Mountain buckwheat Polygonaceae perennial rhizomatous herb Jul-Sep None None G2G3 S2S3 1B.3 SB_UCSC; USFS_S Erosion/runoff, Grazing, Improper burning regime, Logging, ORV activity, Other, Road/trail construction/maint. Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Serpentine 610 1900 2000 6235 Yes 1974-01-01 Photo of Eriogonum hirtellum
©2010 Steve Matson
Eriogonum hoffmannii var. hoffmannii Hoffmann's buckwheat Polygonaceae annual herb Jun-Sep None None G3T2 S2 1B.3 BLM_S; SB_CalBG/RSABG Non-native plant impacts, Road/trail construction/maint. Mojavean desert scrub, Pinyon and juniper woodland Rocky 650 1700 2135 5580 Yes 1974-01-01
No Photo Available
Eriogonum hoffmannii var. robustius robust Hoffmann's buckwheat Polygonaceae annual herb Aug-Nov None None G3T3 S3 1B.3 BLM_S; SB_CalBG/RSABG Mojavean desert scrub (sandy) 150 1680 490 5510 Yes 1974-01-01
No Photo Available
Eriogonum intrafractum jointed buckwheat Polygonaceae perennial herb May-Oct None None G3 S3 1B.3 SB_CalBG/RSABG Foot traffic/trampling, Grazing, Non-native animal impacts, Non-native plant impacts, Other, Over-collecting/poaching Mojavean desert scrub (carbonate) 610 1950 2000 6400 Yes 1974-01-01
No Photo Available
Eriogonum kelloggii Kellogg's buckwheat Polygonaceae perennial herb (May)Jun-Aug None CE G2 S1 1B.2 BLM_S; SB_CalBG/RSABG Mining, Road/trail construction/maint. Lower montane coniferous forest (rocky, serpentine) 579 1250 1900 4100 Yes 1974-01-01
No Photo Available
Eriogonum kennedyi var. austromontanum southern mountain buckwheat Polygonaceae perennial herb Jun-Sep FT None G4T2 S2 1B.2 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Lower montane coniferous forest (gravelly), Pebble (Pavement) plain 1770 2890 5805 9480 Yes 1974-01-01
No Photo Available
Eriogonum kennedyi var. pinicola Kern buckwheat Polygonaceae perennial herb May-Jun(Jul) None None G4T1 S1 1B.1 BLM_S; SB_CalBG/RSABG Development, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Pinyon and juniper woodland Clay 1340 1950 4395 6400 Yes 1974-01-01
No Photo Available
Eriogonum microtheca var. johnstonii Johnston's buckwheat Polygonaceae perennial deciduous shrub Jul-Sep None None G5T2 S2 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Mining, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Subalpine coniferous forest, Upper montane coniferous forest Rocky 1829 2926 6000 9600 Yes 1974-01-01
No Photo Available
Eriogonum microtheca var. panamintense Panamint Mountains buckwheat Polygonaceae perennial deciduous shrub Jun-Oct None None G5T3 S3 1B.3 BLM_S; SB_CalBG/RSABG Foot traffic/trampling, Road/trail construction/maint. Pinyon and juniper woodland, Subalpine coniferous forest Rocky 1890 3250 6200 10665 Yes 1974-01-01
No Photo Available
Eriogonum nervulosum Snow Mountain buckwheat Polygonaceae perennial rhizomatous herb Jun-Sep None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S Development, Mining, ORV activity, Road/trail construction/maint. Chaparral (serpentinite) 300 2105 985 6905 Yes 1980-01-01 Photo of Eriogonum nervulosum
© Rick York and CNPS
Eriogonum nortonii Pinnacles buckwheat Polygonaceae annual herb (Apr)Aug(Sep)May-Jun None None G2 S2 1B.3 BLM_S Development, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Valley and foothill grassland Burned areas (often), Sandy 300 975 985 3200 Yes 1974-01-01
No Photo Available
Eriogonum nudum var. murinum mouse buckwheat Polygonaceae perennial herb Jun-Nov None None G5T2 S2 1B.2 BLM_S Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland Sandy 365 1130 1200 3710 Yes 1974-01-01
No Photo Available
Eriogonum nutans var. nutans Dugway wild buckwheat Polygonaceae annual herb May-Sep(Oct) None None G4T3T4 S2? 2B.3 Grazing, Other, Road/trail construction/maint. Chenopod scrub, Great Basin scrub Gravelly (sometimes), Sandy (sometimes) 1220 3000 4005 9845 1984-01-01
No Photo Available
Eriogonum temblorense Temblor buckwheat Polygonaceae annual herb (Apr)May-Sep None None G2 S2 1B.2 BLM_S Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts Valley and foothill grassland (clay, sandstone) 300 1000 985 3280 Yes 1974-01-01
No Photo Available
Eriogonum truncatum Mt. Diablo buckwheat Polygonaceae annual herb Apr-Sep(Nov-Dec) None None G1 S1 1B.1 SB_UCBG Development, Non-native plant impacts Chaparral, Coastal scrub, Valley and foothill grassland Sandy 3 350 10 1150 Yes 1974-01-01
No Photo Available
Eriogonum twisselmannii Twisselmann's buckwheat Polygonaceae perennial herb Jun-Sep None CR G2 S2 1B.2 USFS_S Foot traffic/trampling, Logging, Other Upper montane coniferous forest (granitic) 2375 2805 7790 9205 Yes 1974-01-01
No Photo Available
Eriogonum umbellatum var. glaberrimum Warner Mountains buckwheat Polygonaceae perennial herb Jun-Sep None None G5T2? S2 1B.3 BLM_S; SB_UCSC; USFS_S Erosion/runoff, Foot traffic/trampling, Grazing, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Lower montane coniferous forest, Upper montane coniferous forest Gravelly (sometimes), Sandy (sometimes) 1525 2405 5005 7890 1988-01-01 Photo of Eriogonum umbellatum var. glaberrimum
©2007 F. Gauna
Eriogonum umbellatum var. juniporinum juniper sulphur-flowered buckwheat Polygonaceae perennial herb Jul-Oct None None G5T4 S3 2B.3 SB_CalBG/RSABG Mojavean desert scrub, Pinyon and juniper woodland 1300 2500 4265 8205 1988-01-01
No Photo Available
Eriogonum umbellatum var. torreyanum Donner Pass buckwheat Polygonaceae perennial herb Jul-Sep None None G5T2 S2 1B.2 SB_UCSC; USFS_S Development, Foot traffic/trampling, Insufficient population/stand size, Logging, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Upper montane coniferous forest Rocky, Volcanic 1855 2620 6085 8595 Yes 1974-01-01
No Photo Available
Eriogonum wrightii var. olanchense Olancha Peak buckwheat Polygonaceae perennial herb Jul-Sep None None G5T2 S1 1B.3 SB_CalBG/RSABG; USFS_S Other Alpine boulder and rock field, Subalpine coniferous forest (gravelly, rocky) 3260 3535 10695 11600 Yes 1974-01-01
No Photo Available
Erioneuron pilosum hairy erioneuron Poaceae perennial herb (Apr)May-Jun None None G5 S2 2B.3 SB_CalBG/RSABG Development, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity Pinyon and juniper woodland (sometimes carbonate, rocky) 1420 2010 4660 6595 1974-01-01
No Photo Available
Eriophyllum congdonii Congdon's woolly sunflower Asteraceae annual herb Apr-Jun None CR G2 S2 1B.2 SB_UCSC; USFS_S Agriculture, Biocides, Logging, Mining, Non-native plant impacts, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland Metamorphic, Rocky 500 1900 1640 6235 Yes 1974-01-01
No Photo Available
Eriophyllum lanatum var. hallii Fort Tejon woolly sunflower Asteraceae perennial herb May-Jul None None G5T1 S1 1B.1 USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Other, Road/trail construction/maint. Chaparral, Cismontane woodland 1065 2000 3495 6560 Yes 1974-01-01
No Photo Available
Eriophyllum latilobum San Mateo woolly sunflower Asteraceae perennial herb May-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland (often roadsides), Coastal scrub, Lower montane coniferous forest 45 330 150 1085 Yes 1974-01-01 Photo of Eriophyllum latilobum
Neal Kramer
Eriophyllum mohavense Barstow woolly sunflower Asteraceae annual herb Mar-May None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chenopod scrub, Mojavean desert scrub, Playas 500 960 1640 3150 Yes 1974-01-01
No Photo Available
Constancea nevinii Nevin's woolly sunflower Asteraceae perennial deciduous shrub Apr-Aug None None G3 S3 1B.3 SB_CalBG/RSABG; SB_CRES Development Coastal bluff scrub, Coastal scrub 5 410 15 1345 Yes 1974-01-01
No Photo Available
Eriophyllum nubigenum Yosemite woolly sunflower Asteraceae annual herb May-Aug None None G2 S2 1B.3 USFS_S Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV) Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Granitic, Gravelly 1525 2750 5005 9025 Yes 1974-01-01
No Photo Available
Eryngium aristulatum var. hooveri Hoover's button-celery Apiaceae annual/perennial herb (Jun)Jul(Aug) None None G5T1 S1 1B.1 SB_CalBG/RSABG Biocides, Development, Foot traffic/trampling, Grazing, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Vernal pools 3 45 10 150 Yes 1984-01-01
No Photo Available
Eryngium aristulatum var. parishii San Diego button-celery Apiaceae annual/perennial herb Apr-Jun FE CE G5T1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Coastal scrub, Valley and foothill grassland, Vernal pools Mesic 20 620 65 2035 1974-01-01
No Photo Available
Eryngium constancei Loch Lomond button-celery Apiaceae annual/perennial herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Erosion/runoff, Logging, ORV activity, Road/trail construction/maint., Surface water diversion Vernal pools 460 855 1510 2805 Yes 1980-01-01
No Photo Available
Eryngium pinnatisectum Tuolumne button-celery Apiaceae annual/perennial herb May-Aug None None G2 S2 1B.2 SB_UCSC Altered flood/tidal/hydrologic regime, Development, Grazing, Non-native plant impacts, Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest, Vernal pools Mesic 70 915 230 3000 Yes 1974-01-01 Photo of Eryngium pinnatisectum
© 2007 Robert E. Preston, Ph.D.
Eryngium racemosum Delta button-celery Apiaceae annual/perennial herb (May)Jun-Oct None CE G1 S1 1B.1 Agriculture, Altered flood/tidal/hydrologic regime, Disking, Erosion/runoff, Grazing, Groundwater pumping, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion Riparian scrub (vernally mesic clay depressions) 3 30 10 100 Yes 1974-01-01
No Photo Available
Eryngium spinosepalum spiny-sepaled button-celery Apiaceae annual/perennial herb Apr-Jun None None G2 S2 1B.2 BLM_S; SB_SBBG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance Valley and foothill grassland, Vernal pools 80 975 260 3200 Yes 1980-01-01
No Photo Available
Erysimum ammophilum sand-loving wallflower Brassicaceae perennial herb Feb-Jun(Jul-Aug) None None G2 S2 1B.2 BLM_S; SB_CRES; SB_SBBG Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (maritime), Coastal dunes, Coastal scrub Openings, Sandy 0 60 0 195 Yes 1974-01-01
No Photo Available
Erysimum capitatum var. angustatum Contra Costa wallflower Brassicaceae perennial herb Mar-Jul FE CE G5T1 S1 1B.1 SB_CalBG/RSABG Development, Disking, Non-native plant impacts, Road/trail construction/maint. Inland dunes 3 20 10 65 Yes 1974-01-01
No Photo Available
Erysimum insulare island wallflower Brassicaceae perennial herb Mar-Jul None None G3 S3 1B.3 SB_CalBG/RSABG Coastal bluff scrub, Coastal dunes 0 300 0 985 Yes 1974-01-01
No Photo Available
Erysimum teretifolium Santa Cruz wallflower Brassicaceae perennial herb Mar-Jul FE CE G1 S1 1B.1 SB_UCSC Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Lower montane coniferous forest 120 610 395 2000 Yes 1974-01-01
No Photo Available
Erythronium pusaterii Kaweah fawn lily Liliaceae perennial bulbiferous herb May-Jul None None G3 S3 1B.3 USFS_S Development, Foot traffic/trampling, Grazing, Logging, Other Meadows and seeps, Subalpine coniferous forest Granitic (sometimes), Metamorphic (sometimes) 2100 2775 6890 9105 Yes 1980-01-01
No Photo Available
Erythronium hendersonii Henderson's fawn lily Liliaceae perennial bulbiferous herb Apr-Jul None None G4 S2 2B.3 USFS_S Erosion/runoff, Road/trail construction/maint. Lower montane coniferous forest 300 1600 985 5250 1974-01-01 Photo of Erythronium hendersonii
© 2021 Scot Loring
Erythronium howellii Howell's fawn lily Liliaceae perennial bulbiferous herb Apr-May None None G3 S2 1B.3 Logging, Mining, Road/trail construction/maint. Lower montane coniferous forest, North Coast coniferous forest Serpentine (sometimes) 200 1145 655 3755 1974-01-01 Photo of Erythronium howellii
© 2021 Scot Loring
Erythronium klamathense Klamath fawn lily Liliaceae perennial bulbiferous herb Apr-Jul None None G4 S2 2B.2 SB_UCSC Logging, Road/trail construction/maint. Meadows and seeps, Upper montane coniferous forest 1200 1850 3935 6070 1974-01-01 Photo of Erythronium klamathense
© 2019 Belinda Lo
Erythronium tuolumnense Tuolumne fawn lily Liliaceae perennial bulbiferous herb Mar-Jun None None G2G3 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Agriculture, Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest 510 1365 1675 4480 Yes 1974-01-01
No Photo Available
Eschscholzia rhombipetala diamond-petaled California poppy Papaveraceae annual herb Mar-Apr None None G1 S1 1B.1 BLM_S; SB_CalBG/RSABG; SB_UCBG Agriculture, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, Recreational use (non-ORV) Valley and foothill grassland (alkaline, clay) 0 975 0 3200 Yes 1980-01-01 Photo of Eschscholzia rhombipetala
© 2017 Chris Winchell
Eucnide rupestris annual rock-nettle Loasaceae annual herb Dec-Apr None None G3 S1 2B.2 ORV activity, Recreational use (non-ORV), Vandalism/dumping/litter Sonoran desert scrub 500 600 1640 1970 1974-01-01
No Photo Available
Ageratina shastensis Shasta ageratina Asteraceae perennial herb Jun-Oct None None G3 S3 1B.2 SB_UCSC Logging, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Lower montane coniferous forest Carbonate (often), Rocky 400 1800 1310 5905 Yes 1974-01-01 Photo of Ageratina shastensis
©2011 Sierra Pacific Industries
Euphorbia exstipulata var. exstipulata Clark Mountain spurge Euphorbiaceae annual herb Sep None None G5T5? S2 2B.1 SB_CalBG/RSABG Development, Mining, Non-native animal impacts, ORV activity, Vandalism/dumping/litter Mojavean desert scrub (rocky) 1280 2000 4200 6560 1988-01-01
No Photo Available
Euphorbia misera cliff spurge Euphorbiaceae perennial shrub (Oct)Dec-Aug None None G5 S2 2B.2 SB_CalBG/RSABG; SB_CRES Development, Erosion/runoff, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Coastal bluff scrub, Coastal scrub, Mojavean desert scrub Rocky 10 500 35 1640 1974-01-01
No Photo Available
Ferocactus viridescens San Diego barrel cactus Cactaceae perennial stem May-Jun None None G3? S2S3 2B.1 IUCN_LC; SB_CalBG/RSABG; SB_CRES Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools 3 450 10 1475 1974-01-01 Photo of Ferocactus viridescens
© 2009 Robert Steers
Fimbristylis thermalis hot springs fimbristylis Cyperaceae perennial rhizomatous herb Jul-Sep None None G4 S1S2 2B.2 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Grazing, Groundwater pumping, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps (alkaline, near hot springs) 110 1340 360 4395 1980-01-01
No Photo Available
Glossopetalon pungens pungent glossopetalon Crossosomataceae perennial deciduous shrub May-Jun None None G2G3 S1 1B.2 BLM_S Chaparral, Pinyon and juniper woodland Carbonate 1675 2000 5495 6560 1974-01-01 Photo of Glossopetalon pungens
© 2010 James M. Andre
Frankenia palmeri Palmer's frankenia Frankeniaceae perennial herb May-Jul None None G3? S1 2B.1 Development Coastal dunes, Marshes and swamps (coastal salt), Playas 0 10 0 35 1974-01-01
No Photo Available
Frasera umpquaensis Umpqua green-gentian Gentianaceae perennial herb Jun-Jul None None G3 S1 2B.2 USFS_S Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Lower montane coniferous forest, Meadows and seeps, North Coast coniferous forest 1555 1900 5100 6235 1974-01-01 Photo of Frasera umpquaensis
©2008 Amanda Shufelberger
Fremontodendron decumbens Pine Hill flannelbush Malvaceae perennial evergreen shrub Apr-Jul FE CR G1 S1 1B.2 SB_CalBG/RSABG; SB_UCBG Biocides, Development, Improper burning regime, Landfill, Logging, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland Gabbroic (sometimes), Rocky, Serpentine (sometimes) 425 760 1395 2495 Yes 1974-01-01 Photo of Fremontodendron decumbens
Steven Perry
Fremontodendron mexicanum Mexican flannelbush Malvaceae perennial evergreen shrub Mar-Jun FE CR G2 S1 1B.1 SB_CalBG/RSABG; SB_CRES Erosion/runoff, Foot traffic/trampling, Insufficient population/stand size, Non-native plant impacts, Other, Vandalism/dumping/litter Chaparral, Cismontane woodland, Closed-cone coniferous forest Gabbroic, Serpentine 10 716 35 2350 1974-01-01
No Photo Available
Fritillaria brandegeei Greenhorn fritillary Liliaceae perennial bulbiferous herb Apr-Jun None None G2G3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Logging, Other, Over-collecting/poaching, Recreational use (non-ORV), Wood cutting or brush clearing Lower montane coniferous forest (granitic) 1330 2100 4365 6890 Yes 1974-01-01 Photo of Fritillaria brandegeei
© 2017 Aaron Schusteff
Fritillaria falcata talus fritillary Liliaceae perennial bulbiferous herb Mar-May None None G2 S2 1B.2 BLM_S; IUCN_EN; SB_CalBG/RSABG; SB_SBBG; USFS_S Feral pigs, ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest Serpentine, Talus (often) 300 1525 985 5005 Yes 1974-01-01 Photo of Fritillaria falcata
© 2013 Aaron Schusteff
Fritillaria liliacea fragrant fritillary Liliaceae perennial bulbiferous herb Feb-Apr None None G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Coastal prairie, Coastal scrub, Valley and foothill grassland Clay, Serpentine (sometimes) 3 410 10 1345 Yes 1974-01-01 Photo of Fritillaria liliacea
© 2004 Carol W. Witham
Fritillaria ojaiensis Ojai fritillary Liliaceae perennial bulbiferous herb Feb-May None None G3 S3 1B.2 BLM_S; SB_SBBG; USFS_S Development, Erosion/runoff, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest (mesic), Chaparral, Cismontane woodland, Lower montane coniferous forest Rocky 225 998 740 3275 Yes 1980-01-01 Photo of Fritillaria ojaiensis
© 2010 David Magney
Fritillaria pluriflora adobe-lily Liliaceae perennial bulbiferous herb Feb-Apr None None G2G3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCBG Biocides, Dam/Inundation, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland Adobe (often) 60 705 195 2315 Yes 1974-01-01 Photo of Fritillaria pluriflora
© 2015 Steve Matson
Fritillaria roderickii Roderick's fritillary Liliaceae perennial bulbiferous herb Mar-May None CE G1Q S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Road/trail construction/maint., Wood cutting or brush clearing Coastal bluff scrub, Coastal prairie, Valley and foothill grassland 15 400 50 1310 Yes 1974-01-01
No Photo Available
Fritillaria striata striped adobe-lily Liliaceae perennial bulbiferous herb Feb-Apr None CT G1 S1 1B.1 BLM_S; SB_CalBG/RSABG; SB_SBBG; SB_USDA; USFS_S Agriculture, Development, Feral pigs, Foot traffic/trampling, Grazing, Other, Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland, Valley and foothill grassland Clay (usually) 135 1455 445 4775 Yes 1974-01-01 Photo of Fritillaria striata
© 2013 Aaron Schusteff
Fritillaria viridea San Benito fritillary Liliaceae perennial bulbiferous herb Mar-May None None G2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Erosion/runoff, Feral pigs, Foot traffic/trampling, Military operations, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland Roadsides (sometimes), Rocky (sometimes), Serpentine, Slopes, Streambanks (sometimes) 200 1525 655 5005 Yes 1974-01-01 Photo of Fritillaria viridea
© 2010 Aaron Schusteff
Galium angustifolium ssp. borregoense Borrego bedstraw Rubiaceae perennial herb Mar(May) None CR G5T3? S3? 1B.3 BLM_S; SB_CalBG/RSABG Foot traffic/trampling, Non-native plant impacts Sonoran desert scrub (rocky) 350 1250 1150 4100 Yes 1974-01-01 Photo of Galium angustifolium ssp. borregoense
© 2014 Keir Morse
Galium angustifolium ssp. onycense Onyx Peak bedstraw Rubiaceae perennial herb Apr-Jul None None G5T3 S3 1B.3 BLM_S; SB_CalBG/RSABG Cismontane woodland, Pinyon and juniper woodland Granitic, Rocky 860 2300 2820 7545 Yes 1974-01-01 Photo of Galium angustifolium ssp. onycense
© 2020 Cheryl Birker
Galium buxifolium box bedstraw Rubiaceae perennial deciduous shrub Mar-Jul FD CR G2G3 S2 1B.2 SB_SBBG Erosion/runoff Closed-cone coniferous forest, Coastal bluff scrub, Coastal scrub Rocky 5 400 15 1310 Yes 1974-01-01
No Photo Available
Galium californicum ssp. luciense Cone Peak bedstraw Rubiaceae perennial herb Mar-Sep None None G5T3 S3 1B.3 USFS_S Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Other, Road/trail construction/maint. Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest Rocky (often), Serpentine (rarely) 400 1525 1310 5005 Yes 1974-01-01 Photo of Galium californicum ssp. luciense
© 2005 Dean Wm. Taylor
Galium californicum ssp. primum Alvin Meadow bedstraw Rubiaceae perennial herb May-Jul None None G5T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Hybridization, Logging, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Lower montane coniferous forest Granitic, Sandy 1350 1700 4430 5580 Yes 1974-01-01 Photo of Galium californicum ssp. primum
© 2013 Keir Morse
Galium californicum ssp. sierrae El Dorado bedstraw Rubiaceae perennial herb May-Jun FE CR G5T1 S1 1B.2 SB_CalBG/RSABG; SB_UCBG Development, Disease, Disking, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Lower montane coniferous forest Gabbroic 100 585 330 1920 Yes 1974-01-01 Photo of Galium californicum ssp. sierrae
© 2019 John Doyen
Galium catalinense ssp. acrispum San Clemente Island bedstraw Rubiaceae perennial deciduous shrub Mar-May(Aug) None CE G4T3 S3 1B.3 SB_CalBG/RSABG; SB_CRES Valley and foothill grassland 25 275 80 900 Yes 1984-01-01 Photo of Galium catalinense ssp. acrispum
© 2011 Michelle Cloud-Hughes
Galium catalinense ssp. catalinense Santa Catalina Island bedstraw Rubiaceae perennial deciduous shrub Feb-Jul None None G4T2 S2 1B.3 SB_CalBG/RSABG Chaparral, Coastal scrub 5 440 15 1445 Yes 1974-01-01 Photo of Galium catalinense ssp. catalinense
© 2009 Vince Scheidt
Galium clementis Santa Lucia bedstraw Rubiaceae perennial herb (Apr)May-Jul None None G2 S2 1B.3 USFS_S Foot traffic/trampling, Non-native plant impacts Lower montane coniferous forest, Upper montane coniferous forest Granitic (sometimes), Rocky, Serpentine (sometimes) 1130 1780 3710 5840 Yes 1974-01-01 Photo of Galium clementis
© 2005 Dean Wm. Taylor, Ph.D.
Galium glabrescens ssp. modocense Modoc bedstraw Rubiaceae perennial herb Jun-Aug None None G4T3 S3 1B.2 BLM_S; USFS_S Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Road/trail construction/maint. Great Basin scrub (gravelly, rocky, talus) 1550 2835 5085 9300 Yes 1980-01-01 Photo of Galium glabrescens ssp. modocense
© Gary Schoolcraft and CNPS
Galium grande San Gabriel bedstraw Rubiaceae perennial deciduous shrub Jan-Jul None None G1 S1 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest 425 1500 1395 4920 Yes 1984-01-01 Photo of Galium grande
© Lauramay Dempster and CNPS
Galium hardhamiae Hardham's bedstraw Rubiaceae perennial herb Apr-Oct None None G3 S3 1B.3 BLM_S; USFS_S Military operations, ORV activity, Road/trail construction/maint. Chaparral, Closed-cone coniferous forest Serpentine 395 975 1295 3200 Yes 1984-01-01 Photo of Galium hardhamiae
© 1984 California Native Plant Society
Galium hilendiae ssp. carneum Panamint Mountains bedstraw Rubiaceae perennial herb May-Aug None None G4T3 S3 1B.3 SB_CalBG/RSABG Mojavean desert scrub, Pinyon and juniper woodland Gravelly (sometimes), Rocky (sometimes) 1650 3400 5415 11155 Yes 1974-01-01 Photo of Galium hilendiae ssp. carneum
© 2011 Aaron E. Sims
Galium hilendiae ssp. kingstonense Kingston Mountains bedstraw Rubiaceae perennial herb (May)Jun(Oct) None None G4T3 S2 1B.3 BLM_S; SB_CalBG/RSABG Mining Lower montane coniferous forest, Pinyon and juniper woodland Rocky 1200 2100 3935 6890 1984-01-01 Photo of Galium hilendiae ssp. kingstonense
© 2011 Duncan S. Bell
Galium hypotrichium ssp. tomentellum Telescope Peak bedstraw Rubiaceae perennial herb Jun-Aug None None G5T1 S1 1B.3 SB_CalBG/RSABG Road/trail construction/maint. Subalpine coniferous forest (talus) 3300 3550 10825 11650 Yes 1984-01-01 Photo of Galium hypotrichium ssp. tomentellum
© 2011 Steve Matson
Galium serpenticum ssp. scotticum Scott Mountain bedstraw Rubiaceae perennial herb May-Aug None None G4G5T2 S2 1B.2 BLM_S; SB_CalBG/RSABG Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Other, Over-collecting/poaching, Road/trail construction/maint. Lower montane coniferous forest (serpentinite) 1000 2075 3280 6810 Yes 1984-01-01 Photo of Galium serpenticum ssp. scotticum
©2011 Steve Matson
Galium serpenticum ssp. warnerense Warner Mountains bedstraw Rubiaceae perennial rhizomatous herb Jun-Jul None None G4G5T2T3 S2 1B.2 BLM_S; SB_UCSC; USFS_S Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Pinyon and juniper woodland, Subalpine coniferous forest Rocky, Talus 1450 2750 4755 9025 1984-01-01 Photo of Galium serpenticum ssp. warnerense
©2021 Scot Loring
Galium wrightii Wright's bedstraw Rubiaceae perennial herb Jun-Oct None None G5 S2 2B.3 Lower montane coniferous forest, Pinyon and juniper woodland Carbonate, Rocky 1600 2000 5250 6560 1974-01-01
No Photo Available
Gambelia speciosa showy island snapdragon Plantaginaceae perennial shrub Feb-May None None G3 S3 1B.2 SB_CalBG/RSABG Erosion/runoff Coastal scrub Rocky 0 900 0 2955 1974-01-01 Photo of Gambelia speciosa
© Rick York and CNPS
Gentiana fremontii Fremont's gentian Gentianaceae annual herb Jun-Aug None None G3G4 S2 2B.3 USFS_S Foot traffic/trampling Meadows and seeps (mesic), Upper montane coniferous forest 2400 2700 7875 8860 1974-01-01
No Photo Available
Gentiana setigera Mendocino gentian Gentianaceae perennial herb (Apr-Jul)Aug-Sep None None G2 S2 1B.2 BLM_S; USFS_S Altered flood/tidal/hydrologic regime, Mining, ORV activity, Other, Road/trail construction/maint., Surface water diversion Lower montane coniferous forest, Meadows and seeps Mesic 335 1065 1100 3495 1980-01-01 Photo of Gentiana setigera
©2008 Keir Morse
Gentiana prostrata pygmy gentian Gentianaceae perennial herb Jul-Aug None None G5 S1 2B.3 Alpine boulder and rock field, Meadows and seeps (mesic) 3500 3800 11485 12470 1974-01-01 Photo of Gentiana prostrata
© 2011 Ron Wolf
Geraea viscida sticky geraea Asteraceae perennial herb (Apr)May-Jun None None G3 S2 2B.2 SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (often disturbed areas) 450 1700 1475 5580 1974-01-01
No Photo Available
Linanthus maculatus ssp. maculatus Little San Bernardino Mtns. linanthus Polemoniaceae annual herb Mar-May None None G2T2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Desert dunes, Joshua tree "woodland", Mojavean desert scrub, Sonoran desert scrub Sandy 140 1220 460 4005 Yes 1974-01-01
No Photo Available
Aliciella ripleyi Ripley's aliciella Polemoniaceae perennial herb May-Jul None None G3 S2 2B.3 Grazing, Mining, Non-native plant impacts, Road/trail construction/maint. Mojavean desert scrub (carbonate) 305 1950 1000 6400 1974-01-01 Photo of Aliciella ripleyi
© 2020 Joey Malone
Gilia tenuiflora ssp. arenaria Monterey gilia Polemoniaceae annual herb Apr-Jun FE CT G3G4T2 S2 1B.2 SB_CalBG/RSABG Biocides, Development, Erosion/runoff, Foot traffic/trampling, Landfill, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (maritime), Cismontane woodland, Coastal dunes, Coastal scrub Openings, Sandy 0 45 0 150 Yes 1980-01-01 Photo of Gilia tenuiflora ssp. arenaria
© 2021 Neal Kramer
Gilia tenuiflora ssp. hoffmannii Hoffmann's slender-flowered gilia Polemoniaceae annual herb Apr-May FE None G3G4T1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Erosion/runoff, Non-native plant impacts Coastal dunes, Coastal scrub Loam, Openings, Sandy 10 30 35 100 Yes 1974-01-01 Photo of Gilia tenuiflora ssp. hoffmannii
© 2000 John Game
Gilmania luteola golden-carpet gilmania Polygonaceae annual herb (Feb)Mar-Apr None None G2G3 S2 1B.3 SB_CalBG/RSABG Foot traffic/trampling, Road/trail construction/maint. Chenopod scrub (alkaline barrens) -15 610 -50 2000 Yes 1980-01-01
No Photo Available
Githopsis diffusa ssp. filicaulis Mission Canyon bluecup Campanulaceae annual herb (Apr)May(Jun) None None G5T1Q S1 1B.2 USFS_S Chaparral, Coastal scrub, Riparian woodland Clay, Gabbroic, Granitic, Gravelly, Metamorphic, Openings, Rocky, Seeps, Serpentine, Vernally Mesic 30 1570 100 5150 Yes 1980-01-01
No Photo Available
Glyceria grandis American manna grass Poaceae perennial rhizomatous herb Jun-Aug None None G5 S3 2B.3 Grazing Bogs and fens, Marshes and swamps (lake margins, streambanks), Meadows and seeps 15 1980 50 6495 1974-01-01 Photo of Glyceria grandis
©2004 Dean Wm. Taylor
Gratiola heterosepala Boggs Lake hedge-hyssop Plantaginaceae annual herb Apr-Aug None CE G2G3 S2 1B.2 BLM_S Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Landfill, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Marshes and swamps (lake margins), Vernal pools Clay 10 2375 35 7790 1974-01-01 Photo of Gratiola heterosepala
©2004 Carol W. Witham
Grindelia fraxinipratensis Ash Meadows gumplant Asteraceae perennial herb Jun-Oct FT None G2 S1 1B.2 SB_CalBG/RSABG Foot traffic/trampling, Non-native animal impacts, Surface water diversion Meadows and seeps (mesic clay) 635 700 2085 2295 1980-01-01 Photo of Grindelia fraxinipratensis
© 2010 James M. Andre
Grindelia hallii San Diego gumplant Asteraceae perennial herb May-Oct None None G2 S2 1B.2 BLM_S; SB_CRES Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Lower montane coniferous forest, Meadows and seeps, Valley and foothill grassland 185 1745 605 5725 Yes 1974-01-01 Photo of Grindelia hallii
© 2014 Keir Morse
Hackelia sharsmithii Sharsmith's stickseed Boraginaceae perennial herb Jul-Sep None None G3 S3 2B.3 SB_CalBG/RSABG Other Alpine boulder and rock field, Subalpine coniferous forest Granitic, Rocky 3000 3700 9845 12140 1974-01-01 Photo of Hackelia sharsmithii
© 2017 Steve Matson
Transberingia bursifolia ssp. virgata virgate halimolobos Brassicaceae perennial herb (Jun)Jul None None G4T3 S2 2B.3 Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Other Meadows and seeps, Pinyon and juniper woodland 2000 3000 6560 9845 1974-01-01
No Photo Available
Ericameria gilmanii Gilman's goldenbush Asteraceae perennial shrub Aug-Sep None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV) Subalpine coniferous forest, Upper montane coniferous forest Carbonate (sometimes), Granitic (sometimes), Rocky 2100 3400 6890 11155 Yes 1974-01-01
No Photo Available
Pyrrocoma lucida sticky pyrrocoma Asteraceae perennial herb Jul-Oct None None G3 S3 1B.2 BLM_S; SB_UCSC; USFS_S Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Great Basin scrub, Lower montane coniferous forest, Meadows and seeps Alkaline, Clay 700 1950 2295 6400 Yes 1980-01-01
No Photo Available
Tonestus lyallii Lyall's tonestus Asteraceae perennial rhizomatous herb Jul-Aug None None G5 S1 2B.3 Alpine boulder and rock field 2500 2700 8205 8860 1974-01-01 Photo of Tonestus lyallii
©2020 John Doyen
Pyrrocoma racemosa var. congesta Del Norte pyrrocoma Asteraceae perennial herb Aug-Sep None None G5?T4 S2 2B.3 Chaparral, Lower montane coniferous forest Serpentine 200 1000 655 3280 1980-01-01 Photo of Pyrrocoma racemosa var. congesta
©2008 Keir Morse
Pyrrocoma uniflora var. gossypina Bear Valley pyrrocoma Asteraceae perennial herb Jul-Sep None None G5T1 S1 1B.2 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Wood cutting or brush clearing Meadows and seeps, Pebble (Pavement) plain 1600 2300 5250 7545 Yes 1980-01-01
No Photo Available
Helianthus niveus ssp. tephrodes Algodones Dunes sunflower Asteraceae perennial herb Sep-May None CE G4T2 S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA ORV activity, Other Desert dunes 50 100 165 330 1974-01-01 Photo of Helianthus niveus ssp. tephrodes
© 2014 Keir Morse
Helianthus nuttallii ssp. parishii Los Angeles sunflower Asteraceae perennial rhizomatous herb Aug-Oct None None G5TX SX 1A Altered flood/tidal/hydrologic regime, Development Marshes and swamps (freshwater, coastal salt) 10 1525 35 5005 Yes 1974-01-01
No Photo Available
Deinandra arida Red Rock tarplant Asteraceae annual herb Apr-Nov None CR G1 S1 1B.2 BLM_S; SB_CalBG/RSABG Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Mojavean desert scrub (clay, volcanic tuff) 300 950 985 3115 Yes 1974-01-01 Photo of Deinandra arida
© 2012 Neal Kramer
Deinandra increscens ssp. villosa Gaviota tarplant Asteraceae annual herb May-Oct FE CE G3T2 S2 1B.1 SB_CalBG/RSABG; SB_SBBG Agriculture, Biocides, Development, Disking, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub, Coastal scrub, Valley and foothill grassland 20 430 65 1410 Yes 1988-01-01 Photo of Deinandra increscens ssp. villosa
© 2002 Kevin Merk
Centromadia pungens ssp. laevis smooth tarplant Asteraceae annual herb Apr-Sep None None G3G4T2 S2 1B.1 BLM_S; SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Channelization, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chenopod scrub, Meadows and seeps, Playas, Riparian woodland, Valley and foothill grassland Alkaline 0 640 0 2100 Yes 1994-01-01
No Photo Available
Deinandra minthornii Santa Susana tarplant Asteraceae perennial deciduous shrub Jul-Nov None CR G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub Rocky 280 760 920 2495 Yes 1974-01-01
No Photo Available
Deinandra mohavensis Mojave tarplant Asteraceae annual herb (Jan-May)Jun-Oct None CE G3 S3 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Disking, Foot traffic/trampling, Grazing, Logging, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Wood cutting or brush clearing Chaparral, Coastal scrub, Riparian scrub Mesic 640 1600 2100 5250 Yes 1974-01-01
No Photo Available
Herissantia crispa curly herissantia Malvaceae annual/perennial herb (Apr)Aug-Sep None None G5 S1 2B.3 Sonoran desert scrub 700 725 2295 2380 1988-01-01
No Photo Available
Heuchera brevistaminea Laguna Mountains alumroot Saxifragaceae perennial rhizomatous herb Apr-Jul(Sep) None None G2 S2 1B.3 BLM_S; SB_CRES Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Non-native plant impacts, Vandalism/dumping/litter Broadleafed upland forest, Chaparral, Cismontane woodland, Riparian forest Rocky 1370 2000 4495 6560 Yes 1974-01-01 Photo of Heuchera brevistaminea
© 2019 Susan McDougall
Heuchera hirsutissima shaggy-haired alumroot Saxifragaceae perennial rhizomatous herb (May)Jun-Jul None None G3 S3 1B.3 SB_CalBG/RSABG; USFS_S Erosion/runoff, Foot traffic/trampling Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 1520 3500 4985 11485 Yes 1974-01-01 Photo of Heuchera hirsutissima
© 2009 Thomas Stoughton
Heuchera maxima island alumroot Saxifragaceae perennial rhizomatous herb Feb-May None None G3 S3 1B.2 SB_SBBG Erosion/runoff Chaparral, Cismontane woodland, Coastal bluff scrub, Coastal scrub Rocky 10 500 35 1640 Yes 1974-01-01 Photo of Heuchera maxima
© 2014 Steve Matson
Heuchera parishii Parish's alumroot Saxifragaceae perennial rhizomatous herb Jun-Aug None None G3 S3 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Improper burning regime, Mining, Recreational use (non-ORV), Road/trail construction/maint. Alpine boulder and rock field, Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Carbonate (sometimes), Rocky 1500 3800 4920 12470 Yes 1974-01-01 Photo of Heuchera parishii
© 2015 Keir Morse
Hibiscus lasiocarpos var. occidentalis woolly rose-mallow Malvaceae perennial rhizomatous herb (emergent) Jun-Sep None None G5T3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCBG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Degraded water quality, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance, Wood cutting or brush clearing Marshes and swamps (freshwater) 0 120 0 395 Yes 1974-01-01 Photo of Hibiscus lasiocarpos var. occidentalis
© 2020 Steven Perry
Holocarpha macradenia Santa Cruz tarplant Asteraceae annual herb Jun-Oct FT CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal prairie, Coastal scrub, Valley and foothill grassland Clay (often), Sandy 10 220 35 720 Yes 1974-01-01 Photo of Holocarpha macradenia
© 2011 Dylan Neubauer
Horkelia bolanderi Bolander's horkelia Rosaceae perennial herb (May)Jun-Aug None None G1 S1 1B.2 BLM_S Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, ORV activity, Road/trail construction/maint., Surface water diversion Chaparral, Lower montane coniferous forest, Meadows and seeps, Valley and foothill grassland Edges, Vernally Mesic 450 1100 1475 3610 Yes 1988-01-01 Photo of Horkelia bolanderi
© 2012 Barry Rice
Horkelia congesta var. nemorosa Josephine horkelia Rosaceae perennial herb May-Jul None None G4T4? S1 2B.1 North Coast coniferous forest (clay, serpentine seeps) 300 800 985 2625 1988-01-01 Photo of Horkelia congesta var. nemorosa
© 2011 Doreen L. Smith
Horkelia cuneata var. sericea Kellogg's horkelia Rosaceae perennial herb Apr-Sep None None G4T1? S1? 1B.1 SB_CalBG/RSABG; SB_UCSC; USFS_S Development, Erosion/runoff, Insufficient population/stand size, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral (maritime), Closed-cone coniferous forest, Coastal dunes, Coastal scrub Gravelly (sometimes), Openings, Sandy (sometimes) 10 200 35 655 Yes 1988-01-01 Photo of Horkelia cuneata var. sericea
© 2018 Neal Kramer
Horkelia hendersonii Henderson's horkelia Rosaceae perennial herb Jun-Aug None None G1G2 S1 1B.1 BLM_S; SB_BerrySB; SB_CalBG/RSABG; USFS_S Road/trail construction/maint. Upper montane coniferous forest (granitic) 2000 2300 6560 7545 1988-01-01 Photo of Horkelia hendersonii
© 2021 Scot Loring
Horkelia hispidula White Mountains horkelia Rosaceae perennial herb Jun-Aug None None G3 S3 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Other, Road/trail construction/maint. Alpine dwarf scrub, Great Basin scrub, Subalpine coniferous forest 3000 3400 9845 11155 1974-01-01 Photo of Horkelia hispidula
© 2012 Steve Matson
Horkelia marinensis Point Reyes horkelia Rosaceae perennial herb May-Sep None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCSC Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Coastal dunes, Coastal prairie, Coastal scrub Sandy 5 755 15 2475 Yes 1974-01-01 Photo of Horkelia marinensis
© 2017 John Doyen
Horkelia parryi Parry's horkelia Rosaceae perennial herb Apr-Sep None None G2 S2 1B.2 BLM_S; USFS_S Biocides, Erosion/runoff, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland 80 1070 260 3510 Yes 1974-01-01 Photo of Horkelia parryi
© 2009 Barry Breckling
Horkelia tenuiloba thin-lobed horkelia Rosaceae perennial herb May-Jul(Aug) None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Agriculture, Biocides, Development, Disking, Foot traffic/trampling, Grazing, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Broadleafed upland forest, Chaparral, Valley and foothill grassland Mesic, Openings, Sandy 50 500 165 1640 Yes 1988-01-01 Photo of Horkelia tenuiloba
© 1994 Doreen L. Smith
Horkelia truncata Ramona horkelia Rosaceae perennial herb May-Jun None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG; SB_CRES; SB_UCBG; USFS_S Foot traffic/trampling, Improper burning regime, Military operations, Mining, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland Clay, Gabbroic 400 1300 1310 4265 1974-01-01 Photo of Horkelia truncata
© 2008 Andrew Borcher
Horkelia tularensis Kern Plateau horkelia Rosaceae perennial herb (May)Jun-Aug None None G2 S2 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Logging, ORV activity Upper montane coniferous forest (rocky) 2255 2875 7400 9435 Yes 1974-01-01 Photo of Horkelia tularensis
© 2003 Christopher L. Christie
Horkelia wilderae Barton Flats horkelia Rosaceae perennial herb May-Sep None None G1 S1 1B.1 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (edges), Lower montane coniferous forest, Upper montane coniferous forest 1675 2925 5495 9595 Yes 1974-01-01 Photo of Horkelia wilderae
© 2009 Thomas Stoughton
Howellia aquatilis water howellia Campanulaceae annual herb (aquatic) Jun FD None G3 S2 2B.2 Foot traffic/trampling, Non-native plant impacts, Other Marshes and swamps (freshwater) 1085 1290 3560 4230 1974-01-01 Photo of Howellia aquatilis
©2018 John Doyen
Hulsea brevifolia short-leaved hulsea Asteraceae perennial herb May-Aug None None G3 S3 1B.2 SB_CalBG/RSABG; USFS_S Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest Granitic (sometimes), Gravelly (sometimes), Sandy (sometimes), Volcanic (sometimes) 1500 3200 4920 10500 Yes 1974-01-01 Photo of Hulsea brevifolia
© 2009 Keir Morse
Hulsea californica San Diego sunflower Asteraceae perennial herb Apr-Jun None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG; SB_CRES Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Burned areas, Openings 915 2915 3000 9565 Yes 1974-01-01 Photo of Hulsea californica
© 2015 Keir Morse
Hulsea vestita ssp. inyoensis Inyo hulsea Asteraceae perennial herb Apr-Jun None None G5T2T3 S2 2B.2 Erosion/runoff, Mining, Recreational use (non-ORV), Road/trail construction/maint. Chenopod scrub, Great Basin scrub, Pinyon and juniper woodland Rocky 1645 3000 5395 9845 1980-01-01 Photo of Hulsea vestita ssp. inyoensis
© 2011 Steve Matson
Iliamna latibracteata California globe mallow Malvaceae perennial herb Jun-Aug None None G3 S2 1B.2 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (montane), Lower montane coniferous forest, North Coast coniferous forest (mesic), Riparian scrub (streambanks) Burned areas (often) 60 2000 195 6560 1974-01-01 Photo of Iliamna latibracteata
©2013 Scot Loring
Ipomopsis effusa Baja California ipomopsis Polemoniaceae annual herb Apr-Jun None None G3? SH 2B.1 SB_CalBG/RSABG Chaparral, Sonoran desert scrub (alluvial fans) Sandy 0 100 0 330 1988-01-01 Photo of Ipomopsis effusa
© 2014 Aaron Schusteff
Ipomopsis tenuifolia slender-leaved ipomopsis Polemoniaceae perennial herb Mar-May None None G4 S2 2B.3 SB_CalBG/RSABG Foot traffic/trampling, Non-native plant impacts, ORV activity, Vandalism/dumping/litter Chaparral, Pinyon and juniper woodland, Sonoran desert scrub Gravelly (sometimes), Rocky (sometimes) 100 1200 330 3935 1974-01-01 Photo of Ipomopsis tenuifolia
© 2018 Richard Spellenberg
Ivesia baileyi var. baileyi Bailey's ivesia Rosaceae perennial herb May-Aug None None G5T4 S2 2B.3 SB_UCSC Logging, Other Great Basin scrub, Lower montane coniferous forest Rocky, Volcanic 1340 2600 4395 8530 1988-01-01 Photo of Ivesia baileyi var. baileyi
© 1990 Dean Wm. Taylor
Ivesia callida Tahquitz ivesia Rosaceae perennial herb Jul-Sep None CR G1 S1 1B.3 SB_CalBG/RSABG; USFS_S Road/trail construction/maint. Upper montane coniferous forest (granitic, rocky) 2410 2450 7905 8040 Yes 1974-01-01 Photo of Ivesia callida
2009 Jordan Zylstra
Ivesia jaegeri Jaeger's ivesia Rosaceae perennial herb Jun-Jul None None G2G3 S1 1B.3 BLM_S; SB_CalBG/RSABG Pinyon and juniper woodland, Upper montane coniferous forest Carbonate, Rocky 1830 3600 6005 11810 1974-01-01 Photo of Ivesia jaegeri
© 2005 Trent M. Draper
Ivesia kingii var. kingii alkali ivesia Rosaceae perennial herb May-Aug None None G4T3Q S2 2B.2 SB_SBBG Development, Grazing, Groundwater pumping, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Meadows and seeps, Playas Alkaline, Clay, Mesic 1200 2130 3935 6990 1988-01-01 Photo of Ivesia kingii var. kingii
© 2008 Steve Matson
Ivesia paniculata Ash Creek ivesia Rosaceae perennial herb May-Aug None None G2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Foot traffic/trampling, Grazing, Logging, Mining, ORV activity, Road/trail construction/maint., Wood cutting or brush clearing Great Basin scrub, Pinyon and juniper woodland, Upper montane coniferous forest Gravelly (sometimes), Rocky (sometimes), Volcanic 1500 1950 4920 6400 Yes 1980-01-01 Photo of Ivesia paniculata
© 2007 F. Gauna
Ivesia pickeringii Pickering's ivesia Rosaceae perennial herb Jun-Aug(Oct) None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Erosion/runoff, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, Other, Road/trail construction/maint. Lower montane coniferous forest, Meadows and seeps Clay, Mesic, Seeps (usually), Serpentine (usually) 800 1510 2625 4955 Yes 1974-01-01 Photo of Ivesia pickeringii
© 2012 Julie Kierstead Nelson
Ivesia sericoleuca Plumas ivesia Rosaceae perennial herb May-Oct None None G2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Landfill, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Vernal pools Vernally Mesic, Volcanic (usually) 1310 2200 4300 7220 Yes 1974-01-01 Photo of Ivesia sericoleuca
© 2003 Steve Matson
Ivesia webberi Webber's ivesia Rosaceae perennial herb May-Jul FT None G2 S1 1B.1 SB_CalBG/RSABG; USFS_S Agriculture, Dam/Inundation, Development, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub (volcanic ash), Lower montane coniferous forest, Pinyon and juniper woodland Gravelly (sometimes), Sandy (sometimes) 1000 2075 3280 6810 1974-01-01 Photo of Ivesia webberi
© 2007 Steve Matson
Juncus leiospermus var. ahartii Ahart's dwarf rush Juncaceae annual herb Mar-May None None G2T1 S1 1B.2 Agriculture, Development, Grazing, Mining, ORV activity, Other, Road/trail construction/maint. Valley and foothill grassland (mesic) 30 229 100 750 Yes 1984-01-01 Photo of Juncus leiospermus var. ahartii
© 2004 Carol W. Witham
Juncus leiospermus var. leiospermus Red Bluff dwarf rush Juncaceae annual herb Mar-Jun None None G2T2 S2 1B.1 BLM_S; USFS_S Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Foot traffic/trampling, Grazing, Logging, Mining, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Meadows and seeps, Valley and foothill grassland, Vernal pools Vernally Mesic 35 1250 115 4100 Yes 1974-01-01 Photo of Juncus leiospermus var. leiospermus
©2016 Dylan Neubauer
Juncus nodosus knotted rush Juncaceae perennial rhizomatous herb Jul-Sep None None G5 S3 2B.3 IUCN_LC Altered flood/tidal/hydrologic regime Marshes and swamps (lake margins), Meadows and seeps (mesic) 30 1980 100 6495 1974-01-01 Photo of Juncus nodosus
© 2005 James M. Andre
Juncus regelii Regel's rush Juncaceae perennial rhizomatous herb Aug None None G4 S1 2B.3 Meadows and seeps, Upper montane coniferous forest Mesic 760 1900 2495 6235 1974-01-01 Photo of Juncus regelii
© 2018 Susan McDougall
Juncus supiniformis hair-leaved rush Juncaceae perennial rhizomatous herb Apr-May(Jun-Jul) None None G5 S1 2B.2 IUCN_LC Development, ORV activity, Other, Recreational use (non-ORV) Bogs and fens, Marshes and swamps (freshwater) 20 100 65 330 1974-01-01 Photo of Juncus supiniformis
© 2013 Asa Spade
Juncus dudleyi Dudley's rush Juncaceae perennial herb Jul-Aug None None G5 S1 2B.3 Altered flood/tidal/hydrologic regime, Waterway bank protection/maintenance Lower montane coniferous forest (mesic) 365 2000 1200 6560 1974-01-01 Photo of Juncus dudleyi
© 2017 Dean Wm. Taylor
Kobresia myosuroides seep kobresia Cyperaceae perennial rhizomatous herb (Jun)Aug None None G5 S2 2B.2 Foot traffic/trampling, Grazing Alpine boulder and rock field (mesic), Meadows and seeps (carbonate), Subalpine coniferous forest 1490 3245 4890 10645 1974-01-01
No Photo Available
Koeberlinia spinosa var. tenuispina slender-spined all thorn Koeberliniaceae perennial deciduous shrub May-Jul None None G4T4? S1 2B.2 Development, Mining, Other Riparian woodland, Sonoran desert scrub 150 510 490 1675 1974-01-01
No Photo Available
Lasthenia burkei Burke's goldfields Asteraceae annual herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Altered flood/tidal/hydrologic regime, Degraded water quality, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Meadows and seeps (mesic), Vernal pools 15 600 50 1970 Yes 1974-01-01 Photo of Lasthenia burkei
© 2015 Neal Kramer
Lasthenia conjugens Contra Costa goldfields Asteraceae annual herb Mar-Jun FE None G1 S1 1B.1 SB_UCBG Agriculture, Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Feral pigs, Grazing, Landfill, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Wood cutting or brush clearing Cismontane woodland, Playas (alkaline), Valley and foothill grassland, Vernal pools Mesic 0 470 0 1540 Yes 1974-01-01 Photo of Lasthenia conjugens
© 2013 Neal Kramer
Lathyrus biflorus two-flowered pea Fabaceae perennial herb Jun-Aug None None G1 S1 1B.1 USFS_S Lower montane coniferous forest (serpentinite) 1370 1385 4495 4545 Yes 1984-01-01 Photo of Lathyrus biflorus
© 2005 Jennifer L. Kalt
Lathyrus jepsonii var. jepsonii Delta tule pea Fabaceae perennial herb May-Jul(Aug-Sep) None None G5T2 S2 1B.2 SB_BerrySB; SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Waterway bank protection/maintenance Marshes and swamps (brackish, freshwater) 0 5 0 15 Yes 1974-01-01 Photo of Lathyrus jepsonii var. jepsonii
© 2003 Mark Fogiel
Lavatera assurgentiflora ssp. assurgentiflora island mallow Malvaceae perennial evergreen shrub Mar-Nov None None G1T1 S1 1B.1 SB_SBBG Coastal bluff scrub, Coastal scrub Rocky (sometimes), Sandy (sometimes) 15 245 50 805 Yes 1974-01-01
No Photo Available
Lavatera assurgentiflora ssp. glabra southern island mallow Malvaceae perennial evergreen shrub May-Sep None None G1T1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Development, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub 5 250 15 820 Yes 1984-01-01 Photo of Lavatera assurgentiflora ssp. glabra
© 1993 Dean Wm. Taylor
Layia carnosa beach layia Asteraceae annual herb Mar-Jul FT CE G2 S2 1B.1 SB_CalBG/RSABG; SB_SBBG Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal dunes, Coastal scrub (sandy) 0 60 0 195 1988-01-01 Photo of Layia carnosa
© 2007 Aaron Schusteff
Layia discoidea rayless layia Asteraceae annual herb May None None G2 S2 1B.1 BLM_S; SB_CalBG/RSABG ORV activity, Recreational use (non-ORV) Chaparral, Cismontane woodland, Lower montane coniferous forest Alluvial Terraces, Serpentine, Talus 795 1585 2610 5200 Yes 1974-01-01 Photo of Layia discoidea
© 2010 Aaron Schusteff
Layia jonesii Jones' layia Asteraceae annual herb Mar-May None None G2 S2 1B.2 BLM_S; SB_SBBG; USFS_S Feral pigs, Grazing, Improper burning regime, Military operations, Non-native plant impacts Chaparral, Valley and foothill grassland Clay (sometimes), Serpentine (sometimes) 5 400 15 1310 Yes 1974-01-01 Photo of Layia jonesii
© 2011 Chris Winchell
Layia leucopappa Comanche Point layia Asteraceae annual herb Mar-Apr None None G1 S1 1B.1 BLM_S; SB_SBBG Agriculture, Development, Grazing Chenopod scrub, Valley and foothill grassland 100 350 330 1150 Yes 1974-01-01 Photo of Layia leucopappa
© 2013 Neal Kramer
Layia munzii Munz's tidy-tips Asteraceae annual herb Mar-Apr None None G2 S2 1B.2 BLM_S; SB_SBBG Agriculture, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chenopod scrub, Valley and foothill grassland (alkaline clay) 150 700 490 2295 Yes 1988-01-01 Photo of Layia munzii
© 2017 Neal Kramer
Legenere limosa legenere Campanulaceae annual herb Apr-Jun None None G2 S2 1B.1 BLM_S; SB_UCBG Agriculture, Biocides, Development, Disease, Disking, Feral pigs, Foot traffic/trampling, Grazing, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Vernal pools 1 880 5 2885 Yes 1974-01-01 Photo of Legenere limosa
© 2025 Adam Searcy
Monolopia congdonii San Joaquin woollythreads Asteraceae annual herb Feb-May FE None G2 S2 1B.2 SB_UCBG Agriculture, Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Chenopod scrub, Valley and foothill grassland (sandy) 60 800 195 2625 Yes 1988-01-01
No Photo Available
Lepechinia cardiophylla heart-leaved pitcher sage Lamiaceae perennial shrub Apr-Jul None None G3 S2S3 1B.2 SB_CalBG/RSABG; SB_CRES; USFS_S Biocides, Development, Logging, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Closed-cone coniferous forest 520 1370 1705 4495 1974-01-01 Photo of Lepechinia cardiophylla
© 2003 Vince Scheidt
Lepechinia ganderi Gander's pitcher sage Lamiaceae perennial shrub Jun-Jul None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG; SB_CRES Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Closed-cone coniferous forest, Coastal scrub, Valley and foothill grassland Gabbroic (sometimes) 305 1005 1000 3295 1974-01-01 Photo of Lepechinia ganderi
© 2015 Keir Morse
Lepidium flavum var. felipense Blair Valley pepper-grass Brassicaceae annual herb Mar-May None None G5T1 S1 1B.2 BLM_S; SB_CalBG/RSABG Grazing, Insufficient population/stand size, Non-native plant impacts, ORV activity Pinyon and juniper woodland, Sonoran desert scrub Sandy 455 840 1495 2755 1980-01-01 Photo of Lepidium flavum var. felipense
© 2020 W. Juergen Schrenk
Lepidium jaredii ssp. jaredii Jared's pepper-grass Brassicaceae annual herb Mar-May None None G2G3T1T2 S1S2 1B.2 BLM_S; SB_SBBG Development, Foot traffic/trampling, Grazing Valley and foothill grassland (alkaline, adobe) 335 1005 1100 3295 Yes 1974-01-01
No Photo Available
Linanthus jaegeri San Jacinto linanthus Polemoniaceae perennial herb Jul-Sep None None G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Other, Recreational use (non-ORV) Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 2195 3050 7200 10005 Yes 1974-01-01
No Photo Available
Lewisia stebbinsii Stebbins' lewisia Montiaceae perennial herb May-Jul None None G2 S2 1B.2 SB_UCSC; USFS_S Grazing, Logging, ORV activity, Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest Gravelly, Serpentine (sometimes) 1600 2050 5250 6725 Yes 1974-01-01 Photo of Lewisia stebbinsii
© 2015 John Doyen
Lilaeopsis masonii Mason's lilaeopsis Apiaceae perennial rhizomatous herb Apr-Nov None CR G2 S2 1B.1 Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Pollution, Recreational use (non-ORV), Surface water diversion, Vandalism/dumping/litter, Waterway bank protection/maintenance Marshes and swamps (brackish, freshwater), Riparian scrub 0 10 0 35 Yes 1974-01-01
No Photo Available
Lilium maritimum coast lily Liliaceae perennial bulbiferous herb May-Aug None None G2 S2 1B.1 BLM_S; SB_BerrySB; SB_UCBG Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Broadleafed upland forest, Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Marshes and swamps (freshwater), North Coast coniferous forest Roadsides (sometimes) 5 475 15 1560 Yes 1974-01-01 Photo of Lilium maritimum
© 2020 Aaron Schusteff
Lilium occidentale western lily Liliaceae perennial bulbiferous herb Jun-Jul FE CE G1G2 S1 1B.1 SB_BerrySB Development, Foot traffic/trampling, Grazing, ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint. Bogs and fens, Coastal bluff scrub, Coastal prairie, Coastal scrub, Marshes and swamps (freshwater), North Coast coniferous forest (openings) 2 185 5 605 1974-01-01 Photo of Lilium occidentale
© 2018 Jason Matthias Mills
Lilium parryi lemon lily Liliaceae perennial bulbiferous herb Jul-Aug None None G3 S3 1B.2 SB_CalBG/RSABG; SB_CRES; USFS_S Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Lower montane coniferous forest, Meadows and seeps, Riparian forest, Upper montane coniferous forest Mesic 1220 2745 4005 9005 1974-01-01 Photo of Lilium parryi
© 2009 Thomas Stoughton
Lilium pardalinum ssp. pitkinense Pitkin Marsh lily Liliaceae perennial bulbiferous herb Jun-Jul FE CE G5T1 S1 1B.1 SB_BerrySB; SB_CalBG/RSABG; SB_USDA Development, Erosion/runoff, Feral pigs, Grazing, Groundwater pumping, Non-native plant impacts, Other, Over-collecting/poaching, Surface water diversion Cismontane woodland, Marshes and swamps (freshwater), Meadows and seeps Mesic, Sandy 35 65 115 215 Yes 1974-01-01 Photo of Lilium pardalinum ssp. pitkinense
© 2020 Jason Matthias Mills
Limnanthes bakeri Baker's meadowfoam Limnanthaceae annual herb Apr-May None CR G1 S1 1B.1 BLM_S; SB_UCBG; SB_USDA Agriculture, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Marshes and swamps (freshwater), Meadows and seeps, Valley and foothill grassland (vernally mesic), Vernal pools 175 910 575 2985 Yes 1974-01-01 Photo of Limnanthes bakeri
© 2019 Zoya Akulova
Limnanthes douglasii ssp. sulphurea Point Reyes meadowfoam Limnanthaceae annual herb Mar-May None CE G4T1 S1 1B.2 SB_UCBG Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Coastal prairie, Marshes and swamps (freshwater), Meadows and seeps (mesic), Vernal pools 0 140 0 460 Yes 1974-01-01 Photo of Limnanthes douglasii ssp. sulphurea
© 2016 Aaron Arthur
Limnanthes floccosa ssp. bellingeriana Bellinger's meadowfoam Limnanthaceae annual herb Apr-Jun None None G4T3 S1 1B.2 BLM_S; USFS_S Foot traffic/trampling, Grazing, Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland, Meadows and seeps Mesic 290 1100 950 3610 1980-01-01 Photo of Limnanthes floccosa ssp. bellingeriana
© 2021 Scot Loring
Leptosiphon floribundus ssp. hallii Santa Rosa Mountains leptosiphon Polemoniaceae perennial herb May-Jul(Nov) None None G4T1T2 S1S2 1B.3 BLM_S; USFS_S Pinyon and juniper woodland, Sonoran desert scrub 1000 2000 3280 6560 Yes 1988-01-01 Photo of Leptosiphon floribundus ssp. hallii
© 2016 Keir Morse
Linanthus killipii Baldwin Lake linanthus Polemoniaceae annual herb May-Jul None None G1 S1 1B.2 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Joshua tree "woodland", Meadows and seeps (alkaline), Pebble (Pavement) plain, Pinyon and juniper woodland 1700 2400 5580 7875 Yes 1974-01-01
No Photo Available
Leptosiphon nuttallii ssp. howellii Mt. Tedoc leptosiphon Polemoniaceae perennial herb May-Aug None None G5T2 S2 1B.3 BLM_S; SB_BerrySB; USFS_S Lower montane coniferous forest Serpentine (sometimes) 1220 2800 4005 9185 Yes 1988-01-01 Photo of Leptosiphon nuttallii ssp. howellii
©2010 Julie Kierstead Nelson
Linanthus orcuttii Orcutt's linanthus Polemoniaceae annual herb May-Jun None None G3 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Lower montane coniferous forest, Pinyon and juniper woodland Openings 915 2145 3000 7040 1974-01-01
No Photo Available
Leptosiphon serrulatus Madera leptosiphon Polemoniaceae annual herb Apr-May None None G3 S3 1B.2 BLM_S; SB_SBBG; USFS_S Erosion/runoff, Other, Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland, Lower montane coniferous forest 300 1300 985 4265 Yes 1980-01-01 Photo of Leptosiphon serrulatus
© 2008 Chris Winchell
Lithophragma maximum San Clemente Island woodland star Saxifragaceae perennial rhizomatous herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Erosion/runoff Coastal bluff scrub, Coastal scrub Rocky 120 400 395 1310 Yes 1974-01-01
No Photo Available
Loeflingia squarrosa var. artemisiarum sagebrush loeflingia Caryophyllaceae annual herb Apr-May None None G5T3 S2 2B.2 BLM_S Development, Grazing, Military operations, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Desert dunes, Great Basin scrub, Sonoran desert scrub Sandy 700 1615 2295 5300 1974-01-01
No Photo Available
Lomatium peckianum Peck's lomatium Apiaceae perennial herb Apr-May(Jun) None None G4 S1 2B.2 Development, Grazing, Logging, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Lower montane coniferous forest, Pinyon and juniper woodland Volcanic 700 1800 2295 5905 1974-01-01 Photo of Lomatium peckianum
©2011 Steve Matson
Lomatium shevockii Owens Peak lomatium Apiaceae perennial herb Apr-May None None G1 S1 1B.2 BLM_S; SB_CalBG/RSABG Lower montane coniferous forest, Upper montane coniferous forest Rocky 1770 2535 5805 8315 Yes 1988-01-01
No Photo Available
Lomatium stebbinsii Stebbins' lomatium Apiaceae perennial herb Mar-May None None G2 S2 1B.1 SB_SBBG; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Lower montane coniferous forest Clay, Serpentine, Volcanic 1245 2375 4085 7790 Yes 1980-01-01 Photo of Lomatium stebbinsii
© 2006 Dean Wm. Taylor, Ph.D.
Acmispon argophyllus var. adsurgens San Clemente Island bird's-foot trefoil Fabaceae perennial herb Apr-Jun None CE G5T2 S2 1B.1 SB_CalBG/RSABG; SB_CRES Coastal bluff scrub, Coastal scrub Rocky 15 395 50 1295 Yes 1974-01-01 Photo of Acmispon argophyllus var. adsurgens
© 2011 Dylan Neubauer
Hosackia crassifolia var. otayensis Otay Mountain lotus Fabaceae perennial herb May-Aug None None G5T1 S1 1B.1 BLM_S; SB_CalBG/RSABG; SB_CRES Road/trail construction/maint. Chaparral (metavolcanic, often disturbed areas) 380 1005 1245 3295 1984-01-01 Photo of Hosackia crassifolia var. otayensis
© 2020 Keir Morse
Hosackia oblongifolia var. cuprea copper-flowered bird's-foot trefoil Fabaceae perennial rhizomatous herb Jun-Aug None None G5T2 S2 1B.3 SB_CalBG/RSABG Meadows and seeps (edges), Upper montane coniferous forest Mesic 2400 2750 7875 9025 Yes 1974-01-01 Photo of Hosackia oblongifolia var. cuprea
© 2018 Mary Merriman
Acmispon dendroideus var. traskiae San Clemente Island lotus Fabaceae perennial shrub Feb-Aug FD CE G4T3 S3 1B.3 SB_CalBG/RSABG; SB_SBBG Development, Road/trail construction/maint. Coastal bluff scrub, Coastal scrub, Valley and foothill grassland 15 365 50 1200 Yes 1974-01-01 Photo of Acmispon dendroideus var. traskiae
© 2011 Dylan Neubauer
Acmispon prostratus Nuttall's acmispon Fabaceae annual herb Mar-Jun(Jul) None None G1G2 S1 1B.1 IUCN_EN; SB_CalBG/RSABG; SB_CRES; SB_USDA Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Coastal dunes, Coastal scrub (sandy) 0 10 0 35 1974-01-01 Photo of Acmispon prostratus
© 2014 Andrew Borcher
Acmispon rubriflorus red-flowered bird's-foot trefoil Fabaceae annual herb Apr-Jun None None G2 S2 1B.1 BLM_S Development, Grazing, ORV activity, Other Cismontane woodland, Valley and foothill grassland 200 425 655 1395 Yes 1974-01-01 Photo of Acmispon rubriflorus
© 2011 Dean Wm. Taylor, Ph.D.
Hosackia yollabolliensis Yolla Bolly Mtns. bird's-foot trefoil Fabaceae perennial herb Jun-Aug None None G2 S2 1B.2 SB_CalBG/RSABG ORV activity, Other Meadows and seeps, Upper montane coniferous forest (openings) Dry, Gravelly (often), Slopes 1645 2135 5395 7005 Yes 1974-01-01 Photo of Hosackia yollabolliensis
2013 Shasta-Trinity National Forest
Lupinus antoninus Anthony Peak lupine Fabaceae perennial herb May-Jul None None G2 S2 1B.2 USFS_S Lower montane coniferous forest, Upper montane coniferous forest Rocky 1220 2285 4005 7495 Yes 1980-01-01 Photo of Lupinus antoninus
©2018 John Doyen
Lupinus citrinus var. citrinus orange lupine Fabaceae annual herb Apr-Jul None None G2T2 S2 1B.2 BLM_S; SB_SBBG; USFS_S Agriculture, Biocides, Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest Granitic 380 1700 1245 5580 Yes 1974-01-01
No Photo Available
Lupinus constancei Lassics lupine Fabaceae perennial herb Jul FE CE G1 S1 1B.1 SB_BerrySB; USFS_S Improper burning regime, ORV activity, Other Lower montane coniferous forest (serpentinite) 1500 2000 4920 6560 Yes 1980-01-01 Photo of Lupinus constancei
Image by Amelia Ryan
Lupinus lepidus var. culbertsonii Hockett Meadows lupine Fabaceae perennial herb Jul-Aug None None G3G4T3 S2 1B.3 USFS_S Meadows and seeps, Upper montane coniferous forest (mesic, rocky) 2440 3000 8005 9845 Yes 1974-01-01
No Photo Available
Lupinus citrinus var. deflexus Mariposa lupine Fabaceae annual herb Apr-May None CT G2T1T2 S1 1B.2 BLM_S Development, Grazing, ORV activity Chaparral, Cismontane woodland Granitic, Sandy 400 610 1310 2000 Yes 1974-01-01
No Photo Available
Lupinus duranii Mono Lake lupine Fabaceae perennial herb May-Aug None None G2 S2 1B.2 BLM_S; SB_SBBG; USFS_S Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Great Basin scrub, Subalpine coniferous forest, Upper montane coniferous forest Gravelly 2000 3000 6560 9845 Yes 1974-01-01
No Photo Available
Lupinus albifrons var. medius Mountain Springs bush lupine Fabaceae perennial shrub Mar-May None None G4T2 S2 1B.3 BLM_S; SB_CalBG/RSABG; SB_USDA Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Pinyon and juniper woodland, Sonoran desert scrub 425 1370 1395 4495 1980-01-01
No Photo Available
Lupinus gracilentus slender lupine Fabaceae perennial herb Jul-Aug None None G3 S3 1B.3 SB_SBBG Development, Erosion/runoff, Foot traffic/trampling, Other, Road/trail construction/maint. Subalpine coniferous forest 2500 3500 8205 11485 Yes 1974-01-01
No Photo Available
Lupinus polyphyllus var. humicola Holmgren's lupine Fabaceae perennial herb May-Jun None None G5T4 S2 2B.3 Pinyon and juniper woodland (volcanic) 1500 2500 4920 8205 1974-01-01
No Photo Available
Lupinus ludovicianus San Luis Obispo County lupine Fabaceae perennial herb Apr-Jul None None G1 S1 1B.2 BLM_S; SB_SBBG; USFS_S Agriculture, Development, Foot traffic/trampling, Grazing, ORV activity, Road/trail construction/maint. Chaparral, Cismontane woodland Sandstone, Sandy 50 525 165 1725 Yes 1974-01-01
No Photo Available
Lupinus magnificus var. hesperius Mcgee Meadows lupine Fabaceae perennial herb Apr-Jun None None G3T1Q S1 1B.3 BLM_S Great Basin scrub, Upper montane coniferous forest Sandy 1260 1830 4135 6005 Yes 1980-01-01
No Photo Available
Lupinus magnificus var. magnificus Panamint Mountains lupine Fabaceae perennial herb Apr-Jun(Jul) None None G3T3 S2? 1B.2 BLM_S Grazing, Mining, Non-native plant impacts, Other, Road/trail construction/maint. Great Basin scrub, Mojavean desert scrub, Pinyon and juniper woodland, Upper montane coniferous forest 1000 2545 3280 8350 Yes 1974-01-01
No Photo Available
Lupinus milobakeri Milo Baker's lupine Fabaceae annual herb Jun-Sep None CE G1Q S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Biocides, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Cismontane woodland (often roadsides), Valley and foothill grassland 395 430 1295 1410 Yes 1974-01-01 Photo of Lupinus milobakeri
© 2016 Dana York
Lupinus nipomensis Nipomo Mesa lupine Fabaceae annual herb Dec-May FE CE G1 S1 1B.1 SB_SBBG Agriculture, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint. Coastal dunes 10 50 35 165 Yes 1974-01-01 Photo of Lupinus nipomensis
© 2021 Justin Luong
Lupinus padrecrowleyi Father Crowley's lupine Fabaceae perennial herb Jul-Aug None CR G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Riparian forest, Riparian scrub, Upper montane coniferous forest Decomposed granitic 2200 4000 7220 13125 Yes 1974-01-01
No Photo Available
Lupinus peirsonii Peirson's lupine Fabaceae perennial herb Apr-Jun None None G3 S3 1B.3 IUCN_NT; SB_CalBG/RSABG; USFS_S Erosion/runoff, Foot traffic/trampling, Over-collecting/poaching, Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest Gravelly, Rocky 1000 2500 3280 8205 Yes 1974-01-01
No Photo Available
Lupinus sericatus Cobb Mountain lupine Fabaceae perennial herb Mar-Jun None None G2? S2? 1B.2 BLM_S; SB_UCSC Agriculture, Biocides, Development, Logging, Non-native plant impacts, ORV activity, Road/trail construction/maint. Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest 275 1525 900 5005 Yes 1974-01-01 Photo of Lupinus sericatus
© 2018 Aaron Arthur
Lupinus spectabilis shaggyhair lupine Fabaceae annual herb Apr-May None None G2 S2 1B.2 BLM_S; SB_SBBG Biocides, Development, Grazing, Mining, Road/trail construction/maint. Chaparral, Cismontane woodland Serpentine 260 825 855 2705 Yes 1974-01-01
No Photo Available
Lupinus tidestromii Tidestrom's lupine Fabaceae perennial rhizomatous herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Hybridization, Non-native plant impacts, Other, Recreational use (non-ORV) Coastal dunes 0 100 0 330 Yes 1974-01-01
No Photo Available
Lycium parishii Parish's desert-thorn Solanaceae perennial shrub Mar-Apr None None G4 S1 2B.3 SB_CRES Development, Foot traffic/trampling, ORV activity, Recreational use (non-ORV) Coastal scrub, Sonoran desert scrub 135 1000 445 3280 1980-01-01
No Photo Available
Lycium verrucosum San Nicolas Island desert-thorn Solanaceae perennial shrub Apr None None GXQ SX 1A Coastal scrub Yes 1974-01-01
No Photo Available
Lycopodiella inundata inundated bog-clubmoss Lycopodiaceae perennial rhizomatous herb Jun-Sep None None G5 S1 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Dam/Inundation, Mining, Non-native plant impacts Bogs and fens (coastal), Lower montane coniferous forest (mesic), Marshes and swamps (lake margins) 5 1000 15 3280 1980-01-01 Photo of Lycopodiella inundata
© 2021 Scot Loring
Harmonia hallii Hall's harmonia Asteraceae annual herb (Mar)Apr-Jun None None G2? S2? 1B.2 BLM_S; SB_CalBG/RSABG Development, Grazing, ORV activity, Road/trail construction/maint. Chaparral (serpentinite) 305 975 1000 3200 Yes 1984-01-01 Photo of Harmonia hallii
© 2015 John Doyen
Madia radiata showy golden madia Asteraceae annual herb Mar-May None None G3 S3 1B.1 BLM_S; SB_CalBG/RSABG; SB_SBBG Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland, Valley and foothill grassland 25 1215 80 3985 Yes 1988-01-01
No Photo Available
Harmonia stebbinsii Stebbins' harmonia Asteraceae annual herb May-Jun None None G2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Improper burning regime, Logging, Mining, Non-native plant impacts, Road/trail construction/maint. Chaparral, Lower montane coniferous forest Serpentine 400 1580 1310 5185 Yes 1980-01-01 Photo of Harmonia stebbinsii
©2019 Steve Matson
Berberis nevinii Nevin's barberry Berberidaceae perennial evergreen shrub (Feb)Mar-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Agriculture, Altered flood/tidal/hydrologic regime, Channelization, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Riparian scrub Gravelly (sometimes), Sandy (sometimes) 70 825 230 2705 Yes 1980-01-01
No Photo Available
Berberis pinnata ssp. insularis island barberry Berberidaceae perennial evergreen shrub Feb-May FE CE G5T1 S1 1B.2 SB_SBBG Erosion/runoff Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub Rocky 75 400 245 1310 Yes 1980-01-01
No Photo Available
Malacothamnus abbottii Abbott's bushmallow Malvaceae perennial deciduous shrub May-Oct None None G1 S1 1B.1 SB_UCSC Agriculture, Development, Erosion/runoff, Grazing, Mining, Other, Road/trail construction/maint. Riparian scrub 135 490 445 1610 Yes 1974-01-01 Photo of Malacothamnus abbottii
© 2018 Keir Morse
Malacothamnus aboriginum Indian Valley bushmallow Malvaceae perennial deciduous shrub Apr-Oct None None G3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG Biocides, Grazing, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint. Chaparral, Cismontane woodland Burned areas (often), Granitic, Rocky 150 1700 490 5580 Yes 1974-01-01 Photo of Malacothamnus aboriginum
© 2009 Keir Morse
Malacothamnus arcuatus var. arcuatus arcuate bushmallow Malvaceae perennial deciduous shrub Apr-Sep None None GNRT2 S2 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Improper burning regime, Insufficient population/stand size, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland 15 355 50 1165 Yes 1974-01-01 Photo of Malacothamnus arcuatus var. arcuatus
© 2017 Keir Morse
Malacothamnus clementinus San Clemente Island bushmallow Malvaceae perennial deciduous shrub Mar-Aug FD CE G2G3 S2S3 1B.1 SB_CalBG/RSABG; SB_SBBG Erosion/runoff, Military operations, Vandalism/dumping/litter Valley and foothill grassland (rocky) 10 275 35 900 Yes 1974-01-01 Photo of Malacothamnus clementinus
© 2011 Dylan Neubauer
Malacothamnus davidsonii Davidson's bushmallow Malvaceae perennial deciduous shrub Jun-Jan None None G2 S2 1B.2 SB_CalBG/RSABG Biocides, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Waterway bank protection/maintenance, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland 185 1140 605 3740 Yes 1974-01-01 Photo of Malacothamnus davidsonii
© 2016 Keir Morse
Malacothamnus fasciculatus var. nesioticus Santa Cruz Island bushmallow Malvaceae perennial deciduous shrub Apr-Jul FE CE G4T1 S1 1B.1 SB_SBBG Erosion/runoff, Improper burning regime, Non-native plant impacts, Other Chaparral, Coastal scrub Rocky 15 210 50 690 Yes 1974-01-01 Photo of Malacothamnus fasciculatus var. nesioticus
© 2009 Gary A. Monroe
Malacothamnus jonesii var. gracilis slender bushmallow Malvaceae perennial deciduous shrub May-Oct None None G4T1 S1 1B.1 SB_CalBG/RSABG Chaparral Rocky (usually) 190 575 625 1885 Yes 1974-01-01 Photo of Malacothamnus jonesii var. gracilis
© 2017 Keir Morse
Malacothamnus hallii Hall's bushmallow Malvaceae perennial deciduous shrub (Apr)May-Sep(Oct) None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Coastal scrub 10 760 35 2495 Yes 1974-01-01 Photo of Malacothamnus hallii
© 2017 Keir Morse
Malacothamnus jonesii var. jonesii Jones's bushmallow Malvaceae perennial deciduous shrub (Mar)Apr-May(Jun) None None G4TNR S2S3 1B.2 SB_CalBG/RSABG Development, Landfill, Non-native plant impacts, Waterway bank protection/maintenance Chaparral, Cismontane woodland 175 505 575 1655 Yes 1974-01-01 Photo of Malacothamnus jonesii var. jonesii
© 2017 Keir Morse
Malacothamnus mendocinensis Mendocino bushmallow Malvaceae perennial deciduous shrub Jun-Aug None None G1Q S1 1B.1 Dam/Inundation, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Cismontane woodland Roadsides, Rocky 215 230 705 755 Yes 1974-01-01 Photo of Malacothamnus mendocinensis
© 2021 Keir Morse
Malacothamnus involucratus Carmel Valley bushmallow Malvaceae perennial deciduous shrub Apr-Oct None None G2Q S2 1B.2 BLM_S; SB_UCSC; USFS_S Development, Grazing, Military operations, Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal scrub 30 1100 100 3610 Yes 1974-01-01 Photo of Malacothamnus involucratus
© 2017 Keir Morse
Malacothamnus lucianus Arroyo Seco bushmallow Malvaceae perennial deciduous shrub (Apr)May-Aug None None G1Q S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S Altered flood/tidal/hydrologic regime, Erosion/runoff, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Meadows and seeps 5 915 15 3000 Yes 1974-01-01 Photo of Malacothamnus lucianus
© 2017 Keir Morse
Malacothamnus palmeri Santa Lucia bushmallow Malvaceae perennial deciduous shrub May-Jul None None G2Q S2 1B.2 SB_CalBG/RSABG; SB_SBBG; USFS_S Development, Erosion/runoff, Groundwater pumping, Non-native plant impacts, Road/trail construction/maint. Chaparral (rocky) 60 360 195 1180 Yes 1974-01-01 Photo of Malacothamnus palmeri
© 2017 Keir Morse
Malacothamnus parishii Parish's bushmallow Malvaceae perennial deciduous shrub Jun-Jul None None GXQ SX 1A Development Chaparral, Coastal scrub 305 455 1000 1495 Yes 1974-01-01 Photo of Malacothamnus parishii
© 2021 Keir Morse
Malacothrix indecora Santa Cruz Island malacothrix Asteraceae annual herb Apr-Sep FE None G2 S2 1B.1 SB_SBBG Erosion/runoff, Foot traffic/trampling, Non-native plant impacts Chaparral, Coastal bluff scrub, Coastal dunes, Coastal scrub Rocky 5 30 15 100 Yes 1974-01-01
No Photo Available
Malacothrix saxatilis var. arachnoidea Carmel Valley malacothrix Asteraceae perennial rhizomatous herb (Mar)Jun-Dec None None G5T2 S2 1B.2 BLM_S; USFS_S Dam/Inundation Chaparral (rocky), Coastal scrub 25 1036 80 3400 Yes 1974-01-01
No Photo Available
Malacothrix squalida island malacothrix Asteraceae annual herb Apr-Jul FE None G1 S1 1B.1 SB_SBBG Erosion/runoff, Non-native plant impacts Chaparral, Cismontane woodland, Coastal bluff scrub 15 200 50 655 Yes 1974-01-01
No Photo Available
Malaxis monophyllos var. brachypoda white bog adder's-mouth Orchidaceae perennial bulbiferous herb Jun-Aug None None G5T5 S1 2B.1 USFS_S Foot traffic/trampling, Grazing, Recreational use (non-ORV) Bogs and fens, Meadows and seeps, Upper montane coniferous forest Mesic 2200 2743 7220 9000 1974-01-01
No Photo Available
Malperia tenuis brown turbans Asteraceae annual herb (Feb)Mar-Apr None None G4? S2? 2B.3 SB_CalBG/RSABG; SB_USDA Development, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Vandalism/dumping/litter Sonoran desert scrub (sandy, gravelly) 15 335 50 1100 1974-01-01
No Photo Available
Marina orcuttii var. orcuttii California marina Fabaceae perennial herb May-Oct None None G2G3T1T2 S1 1B.3 SB_CalBG/RSABG; USFS_S Chaparral, Pinyon and juniper woodland, Sonoran desert scrub Rocky 1050 1160 3445 3805 1984-01-01
No Photo Available
Matelea parvifolia spear-leaf matelea Apocynaceae perennial herb Mar-May(Jul) None None G5 S3 2B.3 USFS_S Foot traffic/trampling, Non-native animal impacts, Non-native plant impacts, Other Mojavean desert scrub, Sonoran desert scrub Rocky 440 1095 1445 3595 1974-01-01
No Photo Available
Maurandella antirrhiniflora violet twining snapdragon Plantaginaceae perennial herb Apr-May None None G5 S2? 2B.3 SB_CalBG/RSABG Joshua tree "woodland", Mojavean desert scrub Carbonate 760 1525 2495 5005 1988-01-01
No Photo Available
Holmgrenanthe petrophila rock lady Plantaginaceae perennial herb Apr-Jun None CR G1 S1 1B.2 SB_CalBG/RSABG Foot traffic/trampling, Road/trail construction/maint. Mojavean desert scrub (carbonate, rocky) 515 1675 1690 5495 Yes 1974-01-01
No Photo Available
Mentzelia hirsutissima hairy stickleaf Loasaceae annual herb Mar-May None None G4? S3 2B.3 SB_CalBG/RSABG; SB_USDA Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Vandalism/dumping/litter Sonoran desert scrub (rocky) 0 700 0 2295 1974-01-01
No Photo Available
Stebbinsoseris decipiens Santa Cruz microseris Asteraceae annual herb Apr-May None None G2 S2 1B.2 SB_CalBG/RSABG; SB_UCSC Feral pigs, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Other, Road/trail construction/maint. Broadleafed upland forest, Chaparral, Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland Openings, Serpentine (sometimes) 10 500 35 1640 Yes 1974-01-01
No Photo Available
Erythranthe gracilipes slender-stalked monkeyflower Phrymaceae annual herb Apr-Jun None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Development, Non-native plant impacts Chaparral, Cismontane woodland, Lower montane coniferous forest Burned areas (often), Decomposed granitic, Disturbed areas (often) 500 1300 1640 4265 Yes 1974-01-01
No Photo Available
Diplacus mohavensis Mojave monkeyflower Phrymaceae annual herb Apr-Jun None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub Gravelly (sometimes), Sandy (sometimes), Washes (often) 600 1200 1970 3935 Yes 1988-01-01 Photo of Diplacus mohavensis
© 2019 Joey Malone
Erythranthe norrisii Kaweah monkeyflower Phrymaceae annual herb Mar-May None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Non-native plant impacts, Over-collecting/poaching Chaparral, Cismontane woodland Carbonate, Rocky 365 1300 1200 4265 Yes 1984-01-01
No Photo Available
Diplacus traskiae Santa Catalina Island monkeyflower Phrymaceae annual herb Mar-Apr None None GX SX 1A Grazing, Non-native animal impacts Coastal scrub Yes 1974-01-01
No Photo Available
Erythranthe marmorata Stanislaus monkeyflower Phrymaceae annual herb Mar-May None None G2? S2? 1B.1 BLM_S Grazing Cismontane woodland, Lower montane coniferous forest 100 900 330 2955 Yes 1974-01-01
No Photo Available
Sabulina decumbens Lassics sandwort Caryophyllaceae perennial herb Jul None None G1 S1 1B.2 USFS_S Foot traffic/trampling, Grazing, ORV activity Lower montane coniferous forest, Upper montane coniferous forest Serpentine 1500 1675 4920 5495 Yes 1984-01-01 Photo of Sabulina decumbens
©2018 Jeb Bjerke
Sabulina howellii Howell's sandwort Caryophyllaceae perennial herb Apr-Jul None None G3 S3 1B.3 BLM_S Foot traffic/trampling, Mining, Other Chaparral, Lower montane coniferous forest Serpentine 550 1000 1805 3280 1980-01-01 Photo of Sabulina howellii
©2015 John Doyen
Phacelia inyoensis Inyo phacelia Hydrophyllaceae annual herb Apr-Aug None None G2 S2 1B.2 BLM_S; SB_SBBG; USFS_S Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Recreational use (non-ORV) Meadows and seeps (alkaline) 915 3200 3000 10500 Yes 1974-01-01
No Photo Available
Phacelia leonis Siskiyou phacelia Hydrophyllaceae annual herb Jun-Aug None None G3 S2? 1B.3 BLM_S Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV) Meadows and seeps, Upper montane coniferous forest (openings) Serpentine (often) 1200 2000 3935 6560 1984-01-01 Photo of Phacelia leonis
©2019 Steve Matson
Phacelia monoensis Mono County phacelia Hydrophyllaceae annual herb May-Jul None None G3 S2 1B.1 BLM_S; USFS_S Erosion/runoff, Grazing, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland Clay, Roadsides (often) 1900 2900 6235 9515 1980-01-01
No Photo Available
Phacelia mustelina Death Valley round-leaved phacelia Hydrophyllaceae annual herb May-Jul None None G3 S2 1B.3 BLM_S Non-native plant impacts Mojavean desert scrub, Pinyon and juniper woodland Carbonate (sometimes), Gravelly (sometimes), Rocky (sometimes), Volcanic (sometimes) 730 2620 2395 8595 1974-01-01
No Photo Available
Phacelia nashiana Charlotte's phacelia Hydrophyllaceae annual herb Mar-Jun None None G3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Granitic (usually), Sandy 600 2200 1970 7220 Yes 1974-01-01
No Photo Available
Phacelia novenmillensis Nine Mile Canyon phacelia Hydrophyllaceae annual herb (Feb)May-Jun None None G3 S3 1B.2 BLM_S; USFS_S Development, Foot traffic/trampling, Grazing, Improper burning regime, Recreational use (non-ORV) Broadleafed upland forest, Cismontane woodland, Pinyon and juniper woodland, Upper montane coniferous forest Gravelly (sometimes), Sandy (sometimes) 1645 2640 5395 8660 Yes 1974-01-01
No Photo Available
Phacelia parishii Parish's phacelia Hydrophyllaceae annual herb Apr-May(Jun-Jul) None None G3 S1 1B.1 BLM_S; SB_CalBG/RSABG Development, Military operations, ORV activity, Road/trail construction/maint. Mojavean desert scrub, Playas Alkaline (sometimes), Clay (sometimes) 540 1200 1770 3935 1980-01-01
No Photo Available
Phacelia phacelioides Mt. Diablo phacelia Hydrophyllaceae annual herb Apr-May None None G2G3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Road/trail construction/maint. Chaparral, Cismontane woodland Rocky 500 1370 1640 4495 Yes 1974-01-01 Photo of Phacelia phacelioides
©2019 Steve Matson
Phacelia sericea var. ciliosa blue alpine phacelia Hydrophyllaceae perennial herb Jun-Aug None None G5T4T5 S3 2B.2 SB_UCSC Development, Grazing Great Basin scrub, Upper montane coniferous forest (rocky) 2100 2700 6890 8860 1994-01-01 Photo of Phacelia sericea var. ciliosa
©2019 John Doyen
Phacelia stebbinsii Stebbins' phacelia Hydrophyllaceae annual herb May-Jul None None G3 S3 1B.2 USFS_S Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland, Lower montane coniferous forest, Meadows and seeps 610 2010 2000 6595 Yes 1974-01-01
No Photo Available
Phacelia keckii Santiago Peak phacelia Hydrophyllaceae annual herb May-Jul None None G4T1 S1 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Closed-cone coniferous forest 545 1600 1790 5250 Yes 1980-01-01
No Photo Available
Phaseolus filiformis slender-stem bean Fabaceae annual herb Apr None None G5 S1 2B.1 IUCN_LC Sonoran desert scrub 125 125 410 410 1984-01-01
No Photo Available
Phlox muscoides squarestem phlox Polemoniaceae perennial herb (May)Jun-Aug None None G4G5 S3 2B.3 Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Alpine boulder and rock field, Great Basin scrub, Subalpine coniferous forest Gravelly (sometimes), Rocky (sometimes) 1280 2700 4200 8860 1984-01-01 Photo of Phlox muscoides
© 2018 John Doyen
Sidalcea hickmanii ssp. viridis Marin checkerbloom Malvaceae perennial herb May-Jun None None G2TH SH 1B.1 Foot traffic/trampling, Improper burning regime Chaparral (serpentinite) 50 430 165 1410 Yes 1974-01-01
No Photo Available
Sidalcea keckii Keck's checkerbloom Malvaceae annual herb Apr-May(Jun) FE None G2 S2 1B.1 SB_CalBG/RSABG Agriculture, Development, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland Clay, Serpentine 75 650 245 2135 Yes 1974-01-01
No Photo Available
Sidalcea oregana ssp. valida Kenwood Marsh checkerbloom Malvaceae perennial rhizomatous herb Jun-Sep FE CE G5T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Surface water diversion Marshes and swamps (freshwater) 115 150 375 490 Yes 1974-01-01
No Photo Available
Sidalcea pedata bird-foot checkerbloom Malvaceae perennial herb May-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps (mesic), Pebble (Pavement) plain 1600 2500 5250 8205 Yes 1974-01-01
No Photo Available
Sidalcea robusta Butte County checkerbloom Malvaceae perennial rhizomatous herb Apr-Jun None None G2 S2 1B.2 BLM_S; SB_UCSC Agriculture, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland 90 1600 295 5250 Yes 1974-01-01 Photo of Sidalcea robusta
© 2010 George W Hartwell
Sidalcea stipularis Scadden Flat checkerbloom Malvaceae perennial rhizomatous herb Jul-Aug None CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Biocides, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Marshes and swamps (montane freshwater) 700 730 2295 2395 Yes 1980-01-01
No Photo Available
Silene greenei ssp. angustifolia Red Mountain catchfly Caryophyllaceae perennial herb May-Jun None CE G5T1 S1 1B.2 BLM_S Erosion/runoff, Mining, Other, Road/trail construction/maint. Chaparral, Lower montane coniferous forest Rocky, Serpentine (usually) 425 2085 1395 6840 Yes 1980-01-01 Photo of Silene greenei ssp. angustifolia
© 2015 Cherilyn Burton
Astragalus tener var. ferrisiae Ferris' milk-vetch Fabaceae annual herb Apr-May None None G2T1 S1 1B.1 BLM_S Agriculture, Grazing, Non-native plant impacts, Other, Surface water diversion Meadows and seeps (vernally mesic), Valley and foothill grassland (subalkaline flats) 2 75 5 245 Yes 1994-01-01
No Photo Available
Astragalus tener var. tener alkali milk-vetch Fabaceae annual herb Mar-Jun None None G2T1 S1 1B.2 SB_UCSC Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Non-native plant impacts, ORV activity, Other, Surface water diversion Playas, Valley and foothill grassland (adobe clay), Vernal pools Alkaline 1 60 5 195 Yes 1994-01-01
No Photo Available
Atriplex coulteri Coulter's saltbush Chenopodiaceae perennial herb Mar-Oct None None G3 S2 1B.2 SB_CalBG/RSABG; SB_CRES Biocides, Development, Erosion/runoff, Foot traffic/trampling, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Coastal bluff scrub, Coastal dunes, Coastal scrub, Valley and foothill grassland Alkaline (sometimes), Clay (sometimes) 3 460 10 1510 1994-01-01
No Photo Available
Atriplex depressa brittlescale Chenopodiaceae annual herb Apr-Oct None None G2 S2 1B.2 Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Recreational use (non-ORV) Chenopod scrub, Meadows and seeps, Playas, Valley and foothill grassland, Vernal pools Alkaline, Clay 1 320 5 1050 Yes 1994-01-01 Photo of Atriplex depressa
© 2009 Zoya Akulova
Atriplex minuscula lesser saltscale Chenopodiaceae annual herb May-Oct None None G2 S2 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Erosion/runoff, Grazing, Improper burning regime, Landfill, Non-native plant impacts, Road/trail construction/maint. Chenopod scrub, Playas, Valley and foothill grassland Alkaline, Sandy 15 200 50 655 Yes 1994-01-01 Photo of Atriplex minuscula
© 2000 Robert E. Preston, Ph.D.
Atriplex pacifica south coast saltscale Chenopodiaceae annual herb Mar-Oct None None G4 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub, Coastal dunes, Coastal scrub, Playas 0 140 0 460 1994-01-01
No Photo Available
Trifolium gymnocarpon hollyleaf clover Fabaceae perennial herb May-Jun None None G5 S2 2B.3 Grazing, Other Great Basin scrub, Pinyon and juniper woodland 1500 1920 4920 6300 2001-01-01
No Photo Available
Trifolium jokerstii Butte County golden clover Fabaceae annual herb Mar-May None None G2 S2 1B.2 BLM_S; SB_UCSC; SB_USDA Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV) Valley and foothill grassland (mesic), Vernal pools 50 480 165 1575 Yes 2001-01-01 Photo of Trifolium jokerstii
© 2008 George W Hartwell
Triglochin palustris marsh arrow-grass Juncaginaceae perennial rhizomatous herb Jul-Aug None None G5 S2 2B.3 SB_CalBG/RSABG Foot traffic/trampling Marshes and swamps (freshwater), Meadows and seeps, Subalpine coniferous forest Mesic 2285 3700 7495 12140 1980-01-01
No Photo Available
Tripterocalyx crux-maltae Kellogg's sand-verbena Nyctaginaceae perennial herb May-Jul None None G4? S1 2B.2 SB_CalBG/RSABG Great Basin scrub (partially or fully stabilized sand dunes) 1200 1500 3935 4920 2001-01-01
No Photo Available
Tripterocalyx micranthus small-flowered sand-verbena Nyctaginaceae perennial herb Apr-May None None G4 S1 2B.2 Grazing Desert dunes, Mojavean desert scrub (sandy) 550 855 1805 2805 2001-01-01
No Photo Available
Triteleia grandiflora large-flowered triteleia Themidaceae perennial bulbiferous herb Apr-Jun None None G4G5 S1 2B.1 Grazing, Other Great Basin scrub, Pinyon and juniper woodland 700 1500 2295 4920 2001-01-01 Photo of Triteleia grandiflora
Christopher Christie
Tropidocarpum californicum Kings gold Brassicaceae annual herb Feb-Mar None None G1 S1 1B.1 BLM_S Agriculture, Development, Disking, Grazing Chenopod scrub 65 180 215 590 Yes 2001-01-01 Photo of Tropidocarpum californicum
© 2017 Robert E. Preston, Ph.D.
Monardella undulata ssp. crispa crisp monardella Lamiaceae perennial rhizomatous herb Apr-Aug(Dec) None None G3T2 S2 1B.2 BLM_S Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Coastal dunes, Coastal scrub 10 120 35 395 Yes 1974-01-01
No Photo Available
Monardella venosa veiny monardella Lamiaceae annual herb May-Jul None None G1 S1 1B.1 BLM_S; SB_CalBG/RSABG; SB_UCBG Dam/Inundation, Development, Grazing, Non-native plant impacts Cismontane woodland, Valley and foothill grassland Clay 60 410 195 1345 Yes 1984-01-01 Photo of Monardella venosa
© 2007 George W. Hartwell
Monardella hypoleuca ssp. lanata felt-leaved monardella Lamiaceae perennial rhizomatous herb Jun-Aug None None G4T3 S3 1B.2 BLM_S; SB_CRES; USFS_S Development, Disking, Feral pigs, Foot traffic/trampling, Improper burning regime, Mining, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland 300 1575 985 5170 1974-01-01
No Photo Available
Monardella leucocephala Merced monardella Lamiaceae annual herb May-Aug None None GX SX 1A Agriculture, Grazing, Mining, Recreational use (non-ORV) Valley and foothill grassland (mesic, sandy) 35 100 115 330 Yes 1974-01-01 Photo of Monardella leucocephala
© 2020 Hannah Kang
Monardella linoides ssp. oblonga Tehachapi monardella Lamiaceae perennial rhizomatous herb (May)Jun-Aug None None G5T2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Development, Erosion/runoff, Foot traffic/trampling, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest 900 2470 2955 8105 Yes 1974-01-01
No Photo Available
Monardella viminea willowy monardella Lamiaceae perennial herb Jun-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Channelization, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub, Riparian forest, Riparian scrub, Riparian woodland Alluvial Terraces, Washes 50 225 165 740 Yes 1980-01-01 Photo of Monardella viminea
© 2015 Keir Morse
Monardella macrantha ssp. hallii Hall's monardella Lamiaceae perennial rhizomatous herb Jun-Oct None None G5T3 S3 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Improper burning regime, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland 730 2195 2395 7200 Yes 1974-01-01
No Photo Available
Monardella nana ssp. leptosiphon San Felipe monardella Lamiaceae perennial rhizomatous herb Jun-Jul None None G4G5T2Q S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Erosion/runoff, Foot traffic/trampling, Grazing, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Lower montane coniferous forest 1200 1855 3935 6085 1980-01-01
No Photo Available
Monardella palmeri Palmer's monardella Lamiaceae perennial rhizomatous herb Jun-Aug None None G2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland Serpentine 200 800 655 2625 Yes 1974-01-01 Photo of Monardella palmeri
© 2012 Chris Winchell
Monardella pringlei Pringle's monardella Lamiaceae annual herb May-Jun None None GX SX 1A Development Coastal scrub (sandy) 300 400 985 1310 Yes 1974-01-01 Photo of Monardella pringlei
© UCJEPS
Monardella robisonii Robison's monardella Lamiaceae perennial rhizomatous herb (Feb)Apr-Sep(Oct) None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Pinyon and juniper woodland 610 1500 2000 4920 Yes 1974-01-01
No Photo Available
Monardella undulata ssp. undulata San Luis Obispo monardella Lamiaceae perennial rhizomatous herb May-Sep None None G3T2 S2 1B.2 BLM_S; SB_SBBG Development, Feral pigs, Non-native plant impacts, ORV activity, Road/trail construction/maint. Coastal dunes, Coastal scrub (sandy) 10 200 35 655 Yes 1974-01-01
No Photo Available
Munzothamnus blairii Blair's munzothamnus Asteraceae perennial shrub Jul-Sep None None G3 S3 1B.2 Coastal bluff scrub, Coastal scrub Rocky 25 455 80 1495 Yes 1980-01-01 Photo of Munzothamnus blairii
© 2015 Richard Spellenberg
Navarretia fossalis spreading navarretia Polemoniaceae annual herb Apr-Jun FT None G2 S2 1B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Channelization, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Waterway bank protection/maintenance Chenopod scrub, Marshes and swamps (shallow freshwater), Playas, Vernal pools 30 655 100 2150 1980-01-01
No Photo Available
Navarretia rosulata Marin County navarretia Polemoniaceae annual herb May-Jul None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Foot traffic/trampling, Wood cutting or brush clearing Chaparral, Closed-cone coniferous forest Rocky, Serpentine 200 635 655 2085 Yes 1980-01-01
No Photo Available
Navarretia leucocephala ssp. pauciflora few-flowered navarretia Polemoniaceae annual herb May-Jun FE CT G4T1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Feral pigs, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Vernal pools (volcanic ash) 400 855 1310 2805 Yes 1974-01-01 Photo of Navarretia leucocephala ssp. pauciflora
© 2013 Jake Ruygt
Navarretia leucocephala ssp. plieantha many-flowered navarretia Polemoniaceae annual herb May-Jun FE CE G4T1 S1 1B.2 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint. Vernal pools (volcanic ash) 30 950 100 3115 Yes 1974-01-01
No Photo Available
Navarretia setiloba Piute Mountains navarretia Polemoniaceae annual herb Apr-Jul None None G2 S2 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland, Pinyon and juniper woodland, Valley and foothill grassland Clay (sometimes), Gravelly (sometimes), Loam (sometimes) 285 2100 935 6890 Yes 1974-01-01
No Photo Available
Nemacladus twisselmannii var. twisselmannii Twisselmann's nemacladus Campanulaceae annual herb Jul None CR G1T1 S1 1B.2 BLM_S; USFS_S Other Upper montane coniferous forest (granitic, sandy or rocky) 2240 2450 7350 8040 Yes 1974-01-01 Photo of Nemacladus twisselmannii var. twisselmannii
© 2020 Keir Morse
Neostapfia colusana Colusa grass Poaceae annual herb May-Aug FT CE G1 S1 1B.1 Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Pollution, Road/trail construction/maint., Surface water diversion Vernal pools (adobe clay) 5 200 15 655 Yes 1974-01-01
No Photo Available
Nitrophila mohavensis Amargosa nitrophila Amaranthaceae perennial herb May-Oct FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Groundwater pumping, Mining, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Playas (mesic clay) 425 750 1395 2460 1974-01-01
No Photo Available
Nolina interrata Dehesa nolina Ruscaceae perennial herb Jun-Jul None CE G1G2 S1S2 1B.1 BLM_S; SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Improper burning regime, Non-native plant impacts, ORV activity, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (gabbroic, metavolcanic, serpentine) 185 855 605 2805 1974-01-01
No Photo Available
Oenothera avita ssp. eurekensis Eureka Dunes evening-primrose Onagraceae perennial rhizomatous herb Apr-Jun(Jul) FD CR G4?T2 S2 1B.2 SB_CalBG/RSABG Non-native plant impacts, ORV activity Desert dunes 850 1200 2790 3935 Yes 1974-01-01 Photo of Oenothera avita ssp. eurekensis
© Rick York and CNPS
Oenothera deltoides ssp. howellii Antioch Dunes evening-primrose Onagraceae perennial herb Mar-Sep FE CE G5T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Biocides, Development, Foot traffic/trampling, Mining, Non-native plant impacts, Other, Recreational use (non-ORV) Inland dunes 0 30 0 100 Yes 1974-01-01
No Photo Available
Oenothera wolfii Wolf's evening-primrose Onagraceae perennial herb May-Oct None None G2 S1 1B.1 BLM_S; SB_BerrySB Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Hybridization, Landfill, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Coastal bluff scrub, Coastal dunes, Coastal prairie, Lower montane coniferous forest Mesic (usually), Sandy 3 800 10 2625 1980-01-01 Photo of Oenothera wolfii
©2017 Dana York
Ophioglossum pusillum northern adder's-tongue Ophioglossaceae perennial rhizomatous herb Jul None None G4 S1 2B.2 USFS_S Grazing, Improper burning regime, Other Marshes and swamps (margins), Meadows and seeps 1000 2000 3280 6560 1974-01-01 Photo of Ophioglossum pusillum
© 2021 Scot Loring
Opuntia basilaris var. brachyclada short-joint beavertail Cactaceae perennial stem Apr-Jun(Aug) None None G5T3 S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland 425 1800 1395 5905 Yes 1980-01-01
No Photo Available
Cylindropuntia munzii Munz's cholla Cactaceae perennial stem May None None G3 S1 1B.3 BLM_S; IUCN_LC; SB_CalBG/RSABG Military operations Sonoran desert scrub (gravelly, sandy) 150 600 490 1970 1980-01-01
No Photo Available
Cylindropuntia californica var. californica snake cholla Cactaceae perennial stem Apr-May None None G3T2 S1 1B.1 BLM_S; SB_CRES Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Coastal scrub 30 150 100 490 1974-01-01
No Photo Available
Grusonia pulchella beautiful cholla Cactaceae perennial stem May(Jun) None None G3G4 S2 2B.2 Desert dunes, Great Basin scrub, Mojavean desert scrub Sandy 1500 1980 4920 6495 1988-01-01 Photo of Grusonia pulchella
© 2010 Neal Kramer
Opuntia basilaris var. treleasei Bakersfield cactus Cactaceae perennial stem Apr-May FE CE G5T1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Waterway bank protection/maintenance Chenopod scrub, Cismontane woodland, Valley and foothill grassland Gravelly (sometimes), Sandy (sometimes) 100 1450 330 4755 Yes 1974-01-01 Photo of Opuntia basilaris var. treleasei
Keir Morse
Orcuttia californica California Orcutt grass Poaceae annual herb Apr-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Vernal pools 15 660 50 2165 1974-01-01 Photo of Orcuttia californica
© Anuja Parikh and Nathan Gale
Orcuttia inaequalis San Joaquin Valley Orcutt grass Poaceae annual herb Apr-Sep FT CE G1 S1 1B.1 Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Vernal pools 10 755 35 2475 Yes 1974-01-01
No Photo Available
Orcuttia pilosa hairy Orcutt grass Poaceae annual herb May-Sep FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Vernal pools 46 200 150 655 Yes 1980-01-01 Photo of Orcuttia pilosa
© 2003 George W. Hartwell
Orcuttia tenuis slender Orcutt grass Poaceae annual herb May-Sep(Oct) FT CE G2 S2 1B.1 SB_UCBG Altered flood/tidal/hydrologic regime, Biocides, Development, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion Vernal pools Gravelly (often) 35 1760 115 5775 Yes 1974-01-01 Photo of Orcuttia tenuis
© 2013 Justy Leppert
Orcuttia viscida Sacramento Orcutt grass Poaceae annual herb Apr-Jul(Sep) FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Landfill, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Vernal pools 30 100 100 330 Yes 1974-01-01 Photo of Orcuttia viscida
© Rick York and CNPS
Oreonana purpurascens purple mountain-parsley Apiaceae perennial herb May-Jun None None G3 S3 1B.2 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Logging, Mining, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint. Broadleafed upland forest, Subalpine coniferous forest, Upper montane coniferous forest Metamorphic (usually) 2395 2865 7860 9400 Yes 1980-01-01
No Photo Available
Oreonana vestita woolly mountain-parsley Apiaceae perennial herb Mar-Sep None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Gravelly (sometimes), Talus (sometimes) 1615 3500 5300 11485 Yes 1974-01-01
No Photo Available
Ornithostaphylos oppositifolia Baja California birdbush Ericaceae perennial evergreen shrub Jan-Apr None CE G3 S1 2B.1 SB_CalBG/RSABG Improper burning regime, Other, Road/trail construction/maint., Vandalism/dumping/litter Chaparral 55 800 180 2625 1980-01-01
No Photo Available
Aphyllon validum ssp. validum Rock Creek broomrape Orobanchaceae perennial herb (parasitic) May-Sep None None G4T2 S2 1B.2 SB_CalBG/RSABG; USFS_S Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Pinyon and juniper woodland Granitic 1030 2000 3380 6560 Yes 1974-01-01 Photo of Aphyllon validum ssp. validum
© 1999 Alison Colwell
Castilleja campestris var. succulenta succulent owl's-clover Orobanchaceae annual herb (hemiparasitic) (Mar)Apr-May FT CE G4?T2T3 S2S3 1B.2 Agriculture, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Landfill, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Vernal pools (often acidic) 50 750 165 2460 Yes 1984-01-01
No Photo Available
Castilleja ambigua var. humboldtiensis Humboldt Bay owl's-clover Orobanchaceae annual herb (hemiparasitic) Apr-Aug None None G5T2 S2 1B.2 BLM_S; SB_UCBG Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance Marshes and swamps (coastal salt) 0 3 0 10 Yes 1974-01-01 Photo of Castilleja ambigua var. humboldtiensis
©2017 Steve Matson
Triphysaria floribunda San Francisco owl's-clover Orobanchaceae annual herb Apr-Jun None None G2? S2? 1B.2 Development, Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Mining, Non-native plant impacts, Other, Road/trail construction/maint. Coastal prairie, Coastal scrub, Valley and foothill grassland Serpentine (sometimes) 10 160 35 525 Yes 1974-01-01 Photo of Triphysaria floribunda
© 2011 Steven Perry
Castilleja lasiorhyncha San Bernardino Mountains owl's-clover Orobanchaceae annual herb (hemiparasitic) May-Aug None None G2? S2? 1B.2 SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Meadows and seeps, Pebble (Pavement) plain, Riparian woodland, Upper montane coniferous forest Mesic 1300 2390 4265 7840 Yes 1980-01-01
No Photo Available
Orthocarpus pachystachyus Shasta orthocarpus Orobanchaceae annual herb May None None G1 S1 1B.1 BLM_S Development Great Basin scrub, Meadows and seeps, Valley and foothill grassland 840 850 2755 2790 Yes 1974-01-01 Photo of Orthocarpus pachystachyus
©2022 Julie Kierstead
Oryctes nevadensis Nevada oryctes Solanaceae annual herb Apr-Jun None None G3 S2 2B.1 Development, Foot traffic/trampling, Grazing, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chenopod scrub, Mojavean desert scrub Sandy 1100 2535 3610 8315 1974-01-01
No Photo Available
Stipa divaricata small-flowered rice grass Poaceae perennial herb Jun-Sep None None G5 S1S2 2B.3 Pinyon and juniper woodland (gravelly, carbonate) 700 2950 2295 9680 1974-01-01
No Photo Available
Sidotheca emarginata white-margined oxytheca Polygonaceae annual herb (Feb)Apr-Jul(Aug) None None G3 S3 1B.3 SB_CalBG/RSABG; SB_USDA; USFS_S Foot traffic/trampling Chaparral, Lower montane coniferous forest, Pinyon and juniper woodland 1200 2500 3935 8205 Yes 1980-01-01
No Photo Available
Acanthoscyphus parishii var. cienegensis Cienega Seca oxytheca Polygonaceae annual herb (May)Jun-Sep None None G4?T2 S2 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Mining, Other, Recreational use (non-ORV), Road/trail construction/maint. Joshua tree "woodland", Pinyon and juniper woodland, Upper montane coniferous forest (granitic, sandy) 2105 2450 6905 8040 Yes 1988-01-01 Photo of Acanthoscyphus parishii var. cienegensis
© 2018 Keir Morse
Acanthoscyphus parishii var. goodmaniana Cushenbury oxytheca Polygonaceae annual herb May-Oct FE None G4?T1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint. Pinyon and juniper woodland (carbonate, talus) Carbonate, Sandy 1219 2377 4000 7800 Yes 1988-01-01 Photo of Acanthoscyphus parishii var. goodmaniana
© 2018 Michael Charters
Oxytheca watsonii Watson's oxytheca Polygonaceae annual herb May-Jul None None G2 S1 2B.2 Grazing, ORV activity, Recreational use (non-ORV) Joshua tree "woodland", Mojavean desert scrub Sandy 1200 2000 3935 6560 1980-01-01
No Photo Available
Oxytropis deflexa var. sericea blue pendent-pod oxytrope Fabaceae perennial herb Jun-Aug None None G5T5 S1 2B.1 SB_CalBG/RSABG Grazing, Other Meadows and seeps, Upper montane coniferous forest 2800 3355 9185 11010 1988-01-01
No Photo Available
Palafoxia arida var. gigantea giant spanish-needle Asteraceae annual/perennial herb Feb-May None None G5T2 S1 1B.3 BLM_S; SB_CalBG/RSABG ORV activity Desert dunes 15 100 50 330 1974-01-01
No Photo Available
Panicum acuminatum var. thermale Geysers panicum Poaceae annual/perennial herb Jun-Aug None CE G5T2Q S2 1B.2 BLM_S; SB_UCSC Development, Erosion/runoff, Feral pigs, Mining, Non-native plant impacts, Other, Road/trail construction/maint. Closed-cone coniferous forest, Riparian forest, Valley and foothill grassland Streambanks (sometimes) 305 2470 1000 8105 Yes 1974-01-01 Photo of Panicum acuminatum var. thermale
© Rick York and CNPS
Paronychia ahartii Ahart's paronychia Caryophyllaceae annual herb Feb-Jun None None G3 S3 1B.1 BLM_S Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Mining, ORV activity, Other, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland, Vernal pools 30 510 100 1675 Yes 1988-01-01 Photo of Paronychia ahartii
© 2004 Carol W. Witham
Sedella leiocarpa Lake County stonecrop Crassulaceae annual herb Apr-May FE CE G1 S1 1B.1 Agriculture, Disking, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland, Vernal pools Vernally Mesic, Volcanic 365 790 1200 2590 Yes 1974-01-01
No Photo Available
Pedicularis crenulata scalloped-leaved lousewort Orobanchaceae perennial herb Jun-Jul None None G4 S1 2B.2 Grazing Meadows and seeps (mesic) 2100 2300 6890 7545 1974-01-01
No Photo Available
Pedicularis dudleyi Dudley's lousewort Orobanchaceae perennial herb Apr-Jun None CR G2 S2 1B.2 SB_CalBG/RSABG; SB_UCSC; USFS_S Development, Disease, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Insufficient population/stand size, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland, North Coast coniferous forest, Valley and foothill grassland 60 900 195 2955 Yes 1974-01-01
No Photo Available
Pellaea truncata spiny cliff-brake Pteridaceae perennial rhizomatous herb Apr-Jun None None G5 S3 2B.3 Development, Mining, ORV activity Pinyon and juniper woodland (granitic, rocky, volcanic) 1200 2150 3935 7055 1980-01-01
No Photo Available
Penstemon albomarginatus white-margined beardtongue Plantaginaceae perennial herb Mar-May(Jun) None None G1 S1 1B.1 BLM_S; SB_CalBG/RSABG Development, Erosion/runoff, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Desert dunes (stabilized), Mojavean desert scrub (sandy) 620 1065 2035 3495 1988-01-01 Photo of Penstemon albomarginatus
Michelle Cloud-Hughes 2010
Penstemon barnebyi Barneby's beardtongue Plantaginaceae perennial herb May None None G3G4 S1 2B.1 Great Basin scrub, Pinyon and juniper woodland Carbonate, Gravelly 1500 2500 4920 8205 1988-01-01 Photo of Penstemon barnebyi
Christopher L. Christie 2019
Penstemon calcareus limestone beardtongue Plantaginaceae perennial herb Apr-May None None G3? S3? 1B.3 Foot traffic/trampling, Non-native plant impacts, Other Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Carbonate, Rocky 1065 2040 3495 6695 1974-01-01 Photo of Penstemon calcareus
Steve Matson 2017
Penstemon californicus California beardtongue Plantaginaceae perennial herb May-Jun(Aug) None None G3 S2 1B.2 SB_CalBG/RSABG; SB_USDA; USFS_S Development, Foot traffic/trampling, Grazing, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Lower montane coniferous forest, Pinyon and juniper woodland Sandy 1170 2300 3840 7545 1974-01-01 Photo of Penstemon californicus
Justin M. Wood 2009
Penstemon fruticiformis var. amargosae Amargosa beardtongue Plantaginaceae perennial herb Apr-Jun None None G4T3 S2 1B.3 BLM_S; SB_CalBG/RSABG Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Vandalism/dumping/litter Mojavean desert scrub 850 1400 2790 4595 1980-01-01 Photo of Penstemon fruticiformis var. amargosae
Steve Matson 2017
Penstemon newberryi var. sonomensis Sonoma beardtongue Plantaginaceae perennial herb Apr-Aug None None G4T3 S3 1B.3 BLM_S Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (rocky) 700 1370 2295 4495 Yes 1988-01-01 Photo of Penstemon newberryi var. sonomensis
Jason Matthias Mills 2020
Penstemon personatus closed-throated beardtongue Plantaginaceae perennial herb Jun-Sep(Oct) None None G2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Lower montane coniferous forest, Upper montane coniferous forest 1065 2120 3495 6955 Yes 1974-01-01
No Photo Available
Penstemon rattanii var. kleei Santa Cruz Mountains beardtongue Plantaginaceae perennial herb (Mar)May-Jun None None G4T2 S2 1B.2 SB_UCSC Development, Foot traffic/trampling, Insufficient population/stand size, Other Chaparral, Lower montane coniferous forest, North Coast coniferous forest 400 1100 1310 3610 Yes 1984-01-01
No Photo Available
Penstemon stephensii Stephens' beardtongue Plantaginaceae perennial herb Apr-Jun None None G3? S3? 1B.3 BLM_S; SB_CalBG/RSABG Mining, Non-native animal impacts, Other, Recreational use (non-ORV) Mojavean desert scrub, Pinyon and juniper woodland Carbonate (usually), Rocky 1160 1850 3805 6070 Yes 1974-01-01
No Photo Available
Penstemon tracyi Tracy's beardtongue Plantaginaceae perennial herb Jun-Aug None None G2 S2 1B.3 SB_USDA; USFS_S Other, Recreational use (non-ORV), Road/trail construction/maint. Upper montane coniferous forest (rocky) 1980 2210 6495 7250 Yes 1974-01-01 Photo of Penstemon tracyi
©2005 Dianne Fristrom
Pentachaeta bellidiflora white-rayed pentachaeta Asteraceae annual herb Mar-May FE CE G1 S1 1B.1 SB_UCBG Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Vandalism/dumping/litter Cismontane woodland, Valley and foothill grassland (often serpentine) 35 620 115 2035 Yes 1974-01-01
No Photo Available
Pentachaeta exilis ssp. aeolica San Benito pentachaeta Asteraceae annual herb Mar-May None None G5T2 S2 1B.2 BLM_S; SB_SBBG; USFS_S Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland 480 855 1575 2805 Yes 1980-01-01
No Photo Available
Pentachaeta lyonii Lyon's pentachaeta Asteraceae annual herb (Feb)Mar-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Improper burning regime, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (openings), Coastal scrub, Valley and foothill grassland Clay, Rocky 30 690 100 2265 Yes 1974-01-01
No Photo Available
Potentilla concinna var. proxima early cinquefoil Rosaceae perennial herb Jun-Jul None None G5?T4T5 S1 2B.3 Alpine boulder and rock field, Meadows and seeps (rocky) 2995 3170 9825 10400 1988-01-01
No Photo Available
Potentilla hickmanii Hickman's cinquefoil Rosaceae perennial herb Apr-Aug FE CE G1 S1 1B.1 SB_UCBG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV) Closed-cone coniferous forest, Coastal bluff scrub, Marshes and swamps (freshwater), Meadows and seeps (vernally mesic) 10 149 35 490 Yes 1974-01-01
No Photo Available
Potentilla multijuga Ballona cinquefoil Rosaceae perennial herb Jun-Aug None None GX SX 1A Development Meadows and seeps (brackish) 0 2 0 5 Yes 1974-01-01
No Photo Available
Ivesia patellifera Kingston Mountains ivesia Rosaceae perennial herb Jun-Oct None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG Pinyon and juniper woodland (granitic, rocky) 1400 2100 4595 6890 Yes 1974-01-01
No Photo Available
Pseudobahia bahiifolia Hartweg's golden sunburst Asteraceae annual herb Mar-Apr FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland, Valley and foothill grassland Acidic (often), Clay 15 150 50 490 Yes 1974-01-01
No Photo Available
Triteleia clementina San Clemente Island triteleia Themidaceae perennial bulbiferous herb Mar-Apr None None G2 S2 1B.2 SB_CalBG/RSABG; SB_CRES Valley and foothill grassland (rocky) 100 445 330 1460 Yes 1974-01-01
No Photo Available
Triteleia ixioides ssp. cookii Cook's triteleia Themidaceae perennial bulbiferous herb May-Jun None None G5T2T3 S2S3 1B.3 BLM_S; SB_UCBG; USFS_S Feral pigs, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint. Cismontane woodland, Closed-cone coniferous forest Seeps, Serpentine 150 700 490 2295 Yes 1974-01-01
No Photo Available
Tropidocarpum capparideum caper-fruited tropidocarpum Brassicaceae annual herb Mar-Apr None None G1 S1 1B.1 SB_CalBG/RSABG; USFS_S Agriculture, Altered flood/tidal/hydrologic regime, Development, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity Valley and foothill grassland (alkaline hills) 1 455 5 1495 Yes 1974-01-01
No Photo Available
Tuctoria greenei Greene's tuctoria Poaceae annual herb May-Jul(Sep) FE CR G1 S1 1B.1 Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Surface water diversion Vernal pools 30 1070 100 3510 Yes 1974-01-01 Photo of Tuctoria greenei
©2008 F. Gauna
Tuctoria mucronata Crampton's tuctoria or Solano grass Poaceae annual herb Apr-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Grazing, Insufficient population/stand size, Non-native plant impacts, Other, Over-collecting/poaching, Recreational use (non-ORV) Valley and foothill grassland (mesic), Vernal pools 5 10 15 35 Yes 1974-01-01
No Photo Available
Plagiobothrys mollis var. vestitus Petaluma popcornflower Boraginaceae perennial herb Jun-Jul None None G4?TX SX 1A Agriculture Marshes and swamps (coastal salt), Valley and foothill grassland (mesic) 10 50 35 165 Yes 1980-01-01
No Photo Available
Plagiobothrys strictus Calistoga popcornflower Boraginaceae annual herb Mar-Jun FE CT G1 S1 1B.1 SB_UCBG Development, Other, Road/trail construction/maint. Meadows and seeps, Valley and foothill grassland, Vernal pools Alkaline 90 160 295 525 Yes 1974-01-01
No Photo Available
Plagiobothrys uncinatus hooked popcornflower Boraginaceae annual herb Apr-May None None G2 S2 1B.2 BLM_S; USFS_S Feral pigs, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (sandy), Cismontane woodland, Valley and foothill grassland 300 760 985 2495 Yes 1974-01-01
No Photo Available
Platystemon californicus var. ciliatus Santa Barbara Island cream cups Papaveraceae annual herb Feb-May None None G5T1Q S1 1B.2 Coastal bluff scrub 50 50 165 165 Yes 1984-01-01
No Photo Available
Isocoma arguta Carquinez goldenbush Asteraceae perennial shrub Aug-Dec None None G1 S1 1B.1 SB_UCBG Agriculture, Biocides, Development, Grazing, Other, Recreational use (non-ORV), Road/trail construction/maint. Valley and foothill grassland (alkaline) 1 20 5 65 Yes 1994-01-01 Photo of Isocoma arguta
© 2010 Doug Wirtz
Isocoma menziesii var. decumbens decumbent goldenbush Asteraceae perennial shrub Apr-Nov None None G3G5T2T3 S2 1B.2 BLM_S; SB_CRES Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Coastal scrub (often disturbed areas, sandy) 10 250 35 820 1994-01-01
No Photo Available
Ivesia aperta var. canina Dog Valley ivesia Rosaceae perennial herb Jun-Aug None None G2G3T1 S1 1B.1 SB_UCSC; USFS_S Dam/Inundation, Grazing, Improper burning regime, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest (openings), Meadows and seeps (xeric) Rocky, Volcanic 1600 2000 5250 6560 1994-01-01 Photo of Ivesia aperta var. canina
© 2005 Steve Matson
Ivesia baileyi var. beneolens Owyhee ivesia Rosaceae perennial herb Jun None None G5T4 S1 2B.3 Pinyon and juniper woodland, Upper montane coniferous forest Rocky, Volcanic 2150 2150 7055 7055 1994-01-01 Photo of Ivesia baileyi var. beneolens
© 1990 Dean Wm. Taylor
Ivesia campestris field ivesia Rosaceae perennial herb May-Aug None None G3 S3 1B.2 SB_CalBG/RSABG Foot traffic/trampling, Grazing, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps (edges), Subalpine coniferous forest, Upper montane coniferous forest 1975 3395 6480 11140 Yes 1974-01-01 Photo of Ivesia campestris
© 2020 Keir Morse
Ivesia longibracteata Castle Crags ivesia Rosaceae perennial herb Jun None None G1 S1 1B.3 BLM_S; SB_BerrySB; USFS_S Recreational use (non-ORV) Lower montane coniferous forest (granitic, rocky) 1200 1400 3935 4595 Yes 1994-01-01 Photo of Ivesia longibracteata
©2011 Shannon Henke
Stenotus lanuginosus var. lanuginosus woolly stenotus Asteraceae perennial herb May-Jul None None G5T5 S3 2B.2 BLM_S Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity Great Basin scrub, Meadows and seeps, Pinyon and juniper woodland Gravelly, Loam 1500 1930 4920 6330 1994-01-01
No Photo Available
Streptanthus brachiatus ssp. hoffmanii Freed's jewelflower Brassicaceae perennial herb May-Jul None None G2T2 S2 1B.2 BLM_S Erosion/runoff, Mining, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland Serpentine 490 1220 1610 4005 Yes 1994-01-01
No Photo Available
Streptanthus campestris southern jewelflower Brassicaceae perennial herb (Apr)May-Jul None None G3 S3 1B.3 BLM_S; SB_CRES; USFS_S Development, Foot traffic/trampling, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Lower montane coniferous forest, Pinyon and juniper woodland Rocky 900 2300 2955 7545 1994-01-01
No Photo Available
Streptanthus morrisonii ssp. elatus Three Peaks jewelflower Brassicaceae perennial herb Jun-Sep None None G2T1 S1 1B.2 BLM_S Improper burning regime, ORV activity Chaparral (serpentinite) 90 815 295 2675 Yes 1974-01-01
No Photo Available
Streptanthus morrisonii ssp. hirtiflorus Dorr's Cabin jewelflower Brassicaceae perennial herb Jun None None G2T1 S1 1B.2 BLM_S Mining Chaparral, Closed-cone coniferous forest Serpentine 185 820 605 2690 Yes 1974-01-01
No Photo Available
Streptanthus morrisonii ssp. kruckebergii Kruckeberg's jewelflower Brassicaceae perennial herb Apr-Jul None None G2T1 S1 1B.2 BLM_S Mining, Other Cismontane woodland (serpentinite) 215 1035 705 3395 Yes 1994-01-01
No Photo Available
Streptanthus morrisonii ssp. morrisonii Morrison's jewelflower Brassicaceae perennial herb May-Sep None None G2T1? S1? 1B.2 BLM_S Chaparral (rocky, serpentine, talus) 120 585 395 1920 Yes 1974-01-01
No Photo Available
Thelypodium integrifolium ssp. complanatum foxtail thelypodium Brassicaceae annual/perennial herb Jun-Oct None None G5T4T5 S2 2B.2 Grazing, Road/trail construction/maint. Great Basin scrub, Meadows and seeps Alkaline (sometimes), Mesic 1100 2500 3610 8205 2001-01-01
No Photo Available
Thelypodium milleflorum many-flowered thelypodium Brassicaceae perennial herb Apr-Jun None None G5 S3? 2B.2 Grazing, Mining, ORV activity, Other, Road/trail construction/maint. Chenopod scrub, Great Basin scrub (sandy) 1220 2500 4005 8205 2001-01-01
No Photo Available
Townsendia condensata cushion townsendia Asteraceae perennial herb Jul-Aug None None G4 S3 2B.3 SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Road/trail construction/maint. Alpine boulder and rock field, Subalpine coniferous forest (gravelly) 2865 3675 9400 12060 2001-01-01
No Photo Available
Townsendia leptotes slender townsendia Asteraceae perennial herb Jun-Aug None None G4 S2 2B.3 Erosion/runoff, Foot traffic/trampling Alpine boulder and rock field 3275 3810 10745 12500 2001-01-01
No Photo Available
Trifolium hydrophilum saline clover Fabaceae annual herb Apr-Jun None None G2 S2 1B.2 Agriculture, Biocides, Development, Disking, Grazing, Improper burning regime, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Marshes and swamps, Valley and foothill grassland (mesic, alkaline), Vernal pools 0 300 0 985 Yes 2001-01-01 Photo of Trifolium hydrophilum
© 2005 Dean Wm Taylor
Mertensia bella Oregon bluebells Boraginaceae perennial herb May-Jul None None G4 S1 2B.2 Meadows and seeps, Upper montane coniferous forest Disturbed areas (often), Mesic, Openings (often) 1500 2000 4920 6560 1994-01-01 Photo of Mertensia bella
Dan Post (1997)
Microseris borealis northern microseris Asteraceae perennial herb Jun-Sep None None G5 S1 2B.1 IUCN_LC Bogs and fens, Lower montane coniferous forest, Meadows and seeps Mesic 1000 2000 3280 6560 1994-01-01 Photo of Microseris borealis
© 2013 California Academy of Sciences
Sabulina stolonifera Scott Mountain sandwort Caryophyllaceae perennial stoloniferous herb May-Aug None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Road/trail construction/maint. Lower montane coniferous forest (serpentinite) 1250 1400 4100 4595 Yes 1994-01-01 Photo of Sabulina stolonifera
©2013 Julie Kierstead Nelson
Monardella beneolens sweet-smelling monardella Lamiaceae perennial rhizomatous herb Jun-Sep None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Other, Road/trail construction/maint. Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest Granitic 2475 3500 8120 11485 Yes 1994-01-01 Photo of Monardella beneolens
© Rick York and CNPS
Boechera hirshbergiae Hirshberg's rockcress Brassicaceae perennial herb Mar-May None None G1Q S1 1B.2 SB_CRES Grazing Pebble (Pavement) plain 1400 1415 4595 4645 Yes 2001-01-01
No Photo Available
Arctostaphylos manzanita ssp. elegans Konocti manzanita Ericaceae perennial evergreen shrub (Jan)Mar-May(Jul) None None G5T3 S3 1B.3 BLM_S; SB_UCSC Agriculture, Development, Erosion/runoff, Improper burning regime, Mining, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest Volcanic 395 1615 1295 5300 Yes 2001-01-01 Photo of Arctostaphylos manzanita ssp. elegans
©2018 Dean Wm. Taylor
Eremogone congesta var. charlestonensis Charleston sandwort Caryophyllaceae perennial herb Jun None None G5T2? S1 1B.3 Pinyon and juniper woodland (sandy) 2200 2225 7220 7300 2001-01-01
No Photo Available
Lasthenia californica ssp. bakeri Baker's goldfields Asteraceae perennial herb Apr-Oct None None G3T1 S1 1B.2 Foot traffic/trampling, Non-native plant impacts Closed-cone coniferous forest (openings), Coastal scrub, Marshes and swamps, Meadows and seeps 60 520 195 1705 Yes 2001-01-01 Photo of Lasthenia californica ssp. bakeri
©2015 Asa Spade
Lasthenia californica ssp. macrantha perennial goldfields Asteraceae perennial herb Jan-Nov None None G3T2 S2 1B.2 BLM_S; SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub, Coastal dunes, Coastal scrub 5 520 15 1705 Yes 2001-01-01 Photo of Lasthenia californica ssp. macrantha
© 2013 John Doyen
Lathyrus japonicus seaside pea Fabaceae perennial rhizomatous herb May-Aug None None G5 S2 2B.1 IUCN_LC Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Coastal dunes 1 30 5 100 2001-01-01 Photo of Lathyrus japonicus
©2021 Scot Loring
Lathyrus rigidus rigid pea Fabaceae perennial herb Apr-Jul None None G5 S2 2B.2 Grazing, Other Great Basin scrub, Pinyon and juniper woodland Disturbed areas (often) 800 1750 2625 5740 2001-01-01 Photo of Lathyrus rigidus
© 2008 Christopher L. Christie
Elymus salina Salina Pass wild-rye Poaceae perennial rhizomatous herb May-Jun None None G5 S2S3 2B.3 SB_USDA Pinyon and juniper woodland (rocky) 1350 2135 4430 7005 2001-01-01
No Photo Available
Leptosiphon croceus coast yellow leptosiphon Polemoniaceae annual herb Apr-Jun None CE G1 S1 1B.1 SB_UCBG Development, Erosion/runoff, Foot traffic/trampling, Insufficient population/stand size, Non-native plant impacts Coastal bluff scrub, Coastal prairie 10 150 35 490 Yes 2001-01-01 Photo of Leptosiphon croceus
© 2018 Neal Kramer
Leptosiphon jepsonii Jepson's leptosiphon Polemoniaceae annual herb Mar-May None None G2G3 S2S3 1B.2 SB_CalBG/RSABG; SB_USDA Agriculture, Foot traffic/trampling, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland Volcanic (usually) 100 500 330 1640 Yes 2001-01-01 Photo of Leptosiphon jepsonii
© 2012 Aaron Arthur
Leptosiphon rosaceus rose leptosiphon Polemoniaceae annual herb Apr-Jul None None G1 S1 1B.1 SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Road/trail construction/maint. Coastal bluff scrub 0 100 0 330 Yes 2001-01-01 Photo of Leptosiphon rosaceus
© 2013 Aaron Schusteff
Lithospermum incisum plains stoneseed Boraginaceae perennial herb May None None G5 S1 2B.3 Pinyon and juniper woodland 1650 1720 5415 5645 2001-01-01
No Photo Available
Lomatium foeniculaceum ssp. macdougalii Macdougal's lomatium Apiaceae perennial herb Apr-Jul None None G5T4T5 S3 2B.2 Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Chenopod scrub, Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland Volcanic 1200 2065 3935 6775 2001-01-01
No Photo Available
Lomatium grayi Gray's lomatium Apiaceae perennial herb Apr-Jun None None G5 S1 2B.3 Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland 1390 1415 4560 4645 2001-01-01 Photo of Lomatium grayi
© 2008 Trent M. Draper
Perideridia parishii ssp. parishii Parish's yampah Apiaceae perennial herb Jun-Aug None None G4T3T4 S2 2B.2 SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest 1465 3000 4805 9845 1974-01-01
No Photo Available
Laphamia inyoensis Inyo rock daisy Asteraceae perennial herb Jun-Aug None CT G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG Foot traffic/trampling, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland Carbonate, Rocky 1800 2710 5905 8890 Yes 1974-01-01 Photo of Laphamia inyoensis
© 2019 Cheryl Birker
Lessingia arachnoidea Crystal Springs lessingia Asteraceae annual herb Jul-Oct None None G2 S2 1B.2 SB_CalBG/RSABG Disking, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland, Coastal scrub, Valley and foothill grassland Roadsides (often), Serpentine 60 200 195 655 Yes 1994-01-01 Photo of Lessingia arachnoidea
© 2008 Neal Kramer
Lessingia micradenia var. glabrata smooth lessingia Asteraceae annual herb (Apr-Jun)Jul-Nov None None G2T2 S2 1B.2 SB_BerrySB; SB_CalBG/RSABG Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Waterway bank protection/maintenance Chaparral, Cismontane woodland, Valley and foothill grassland Roadsides (often), Serpentine 120 420 395 1380 Yes 1994-01-01 Photo of Lessingia micradenia var. glabrata
© 2015 Aaron Schusteff
Lessingia micradenia var. micradenia Tamalpais lessingia Asteraceae annual herb (Jun)Jul-Oct None None G2T2 S2 1B.2 SB_CalBG/RSABG; SB_USDA Biocides, Erosion/runoff, Foot traffic/trampling, Road/trail construction/maint. Chaparral, Valley and foothill grassland Roadsides (often), Serpentine (usually) 100 500 330 1640 Yes 1994-01-01 Photo of Lessingia micradenia var. micradenia
© 2015 Vernon Smith
Pelazoneuron puberulum var. sonorense Sonoran maiden fern Thelypteridaceae perennial rhizomatous herb Jan-Sep None None G5T4 S2 2B.2 USFS_S Non-native plant impacts, Over-collecting/poaching, Surface water diversion Meadows and seeps (seeps, streams) 50 610 165 2000 1994-01-01
No Photo Available
Thermopsis robusta robust false lupine Fabaceae perennial rhizomatous herb May-Jul None None G2 S2 1B.2 SB_UCSC; USFS_S Biocides, Grazing, Improper burning regime, Insufficient population/stand size, Logging, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, North Coast coniferous forest 150 1500 490 4920 Yes 1994-01-01 Photo of Thermopsis robusta
©2018 Hayley Ross
Trifolium buckwestiorum Santa Cruz clover Fabaceae annual herb Apr-Oct None None G2 S2 1B.1 BLM_S; SB_SBBG; SB_UCSC; SB_USDA Development, Disease, Erosion/runoff, Feral pigs, Foot traffic/trampling, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Broadleafed upland forest, Cismontane woodland, Coastal prairie Gravelly 35 610 115 2000 Yes 1994-01-01
No Photo Available
Triteleia hendersonii Henderson's triteleia Themidaceae perennial bulbiferous herb May-Jul None None G4 S1 2B.2 Cismontane woodland 760 1200 2495 3935 1994-01-01 Photo of Triteleia hendersonii
©2016 Keir Morse
Vaccinium scoparium little-leaved huckleberry Ericaceae perennial deciduous shrub Jun-Aug None None G5 S3 2B.2 Foot traffic/trampling, Grazing, Improper burning regime, Logging Subalpine coniferous forest (rocky) 1036 2200 3400 7220 1994-01-01 Photo of Vaccinium scoparium
© 2010 Keir Morse
Eriogonum ochrocephalum var. ochrocephalum ochre-flowered buckwheat Polygonaceae perennial herb May-Jun None None G5T2T3 S2 2B.2 Mining Great Basin scrub, Pinyon and juniper woodland Clay (sometimes), Volcanic (sometimes) 1200 2410 3935 7905 2001-01-01
No Photo Available
Eriogonum pyrolifolium var. pyrolifolium pyrola-leaved buckwheat Polygonaceae perennial herb Jul-Sep None None G4T4 S3 2B.3 Alpine boulder and rock field (pumice, sandy or gravelly) 1675 3200 5495 10500 2001-01-01 Photo of Eriogonum pyrolifolium var. pyrolifolium
©2016 John Doyen
Eryngium pendletonense Pendleton button-celery Apiaceae perennial herb Apr-Jun(Jul) None None G1 S1 1B.1 Foot traffic/trampling, Military operations, Non-native plant impacts, ORV activity, Other, Surface water diversion Coastal bluff scrub, Valley and foothill grassland, Vernal pools Clay, Vernally Mesic 15 110 50 360 Yes 2001-01-01 Photo of Eryngium pendletonense
© 2009 Vince Scheidt
Erythronium revolutum coast fawn lily Liliaceae perennial bulbiferous herb Mar-Jul(Aug) None None G4G5 S3 2B.2 SB_UCSC Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Bogs and fens, Broadleafed upland forest, North Coast coniferous forest Mesic, Streambanks 0 1600 0 5250 2001-01-01 Photo of Erythronium revolutum
©2007 Steve Matson
Quercus cedrosensis Cedros Island oak Fagaceae perennial evergreen tree Apr-May None None G2G3 S1 2B.2 IUCN_VU; SB_CRES; SB_SDBG Improper burning regime, Other, Road/trail construction/maint. Chaparral, Closed-cone coniferous forest, Coastal scrub 255 960 835 3150 2001-01-01
No Photo Available
Quercus parvula var. tamalpaisensis Tamalpais oak Fagaceae perennial evergreen shrub Mar-Apr None None G4T2 S2 1B.3 Foot traffic/trampling, Improper burning regime, Other, Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest 100 750 330 2460 Yes 2001-01-01
No Photo Available
Ranunculus macounii Macoun's buttercup Ranunculaceae perennial herb Jun-Jul None None G5 S2S3 2B.2 IUCN_LC Development Great Basin scrub, Meadows and seeps, Pinyon and juniper woodland Mesic 1400 1800 4595 5905 2001-01-01
No Photo Available
Rhynchospora capitellata brownish beaked-rush Cyperaceae perennial herb Jul-Aug None None G5 S2 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, Other, Surface water diversion Lower montane coniferous forest, Marshes and swamps, Meadows and seeps, Upper montane coniferous forest Mesic 45 2000 150 6560 1974-01-01 Photo of Rhynchospora capitellata
©2004 Dean Wm. Taylor
Robinia neomexicana New Mexico locust Fabaceae perennial deciduous shrub May-Jul None None G4 S1 2B.3 IUCN_LC Pinyon and juniper woodland (sandy) 1500 1770 4920 5805 1974-01-01
No Photo Available
Romanzoffia tracyi Tracy's romanzoffia Hydrophyllaceae perennial herb Mar-May None None G4 S2 2B.3 Coastal bluff scrub, Coastal scrub Rocky 15 30 50 100 2001-01-01 Photo of Romanzoffia tracyi
©2017 Steve Matson
Rosa pinetorum pine rose Rosaceae perennial shrub May-Jul None None G1Q S1 1B.2 Biocides, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Road/trail construction/maint. Cismontane woodland, Closed-cone coniferous forest 2 945 5 3100 Yes 2001-01-01
No Photo Available
Rumex venosus winged dock Polygonaceae perennial herb (Apr)May-Jun None None G5 S3 2B.3 Grazing, Other Great Basin scrub (sandy) 1200 1800 3935 5905 2001-01-01
No Photo Available
Bahia neomexicana many-flowered bahia Asteraceae annual herb Sep-Oct None None G5 S2S3 2B.3 Grazing Pinyon and juniper woodland (sandy) 1500 1700 4920 5580 2001-01-01
No Photo Available
Phacelia cookei Cooke's phacelia Hydrophyllaceae annual herb Jun-Jul None None G1 S1 1B.1 BLM_S; SB_BerrySB; USFS_S Biocides, Non-native plant impacts, Other, Road/trail construction/maint. Great Basin scrub, Lower montane coniferous forest Sandy, Volcanic 1095 1700 3595 5580 Yes 1974-01-01 Photo of Phacelia cookei
© 1992 Dean Wm. Taylor
Phacelia floribunda many-flowered phacelia Hydrophyllaceae annual herb Mar-May None None G2 S2 1B.2 SB_CRES Military operations Coastal scrub 15 500 50 1640 1974-01-01
No Photo Available
Phacelia greenei Scott Valley phacelia Hydrophyllaceae annual herb Apr-Jun None None G2 S2 1B.2 BLM_S; USFS_S Biocides, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Closed-cone coniferous forest, Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Serpentine 800 2440 2625 8005 Yes 1974-01-01 Photo of Phacelia greenei
© 2011 Steve Matson
Phacelia insularis var. continentis North Coast phacelia Hydrophyllaceae annual herb Mar-May None None G2T2 S2 1B.2 BLM_S; SB_UCBG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub, Coastal dunes Rocky (sometimes), Sandy 10 170 35 560 Yes 1980-01-01
No Photo Available
Phacelia insularis var. insularis northern Channel Islands phacelia Hydrophyllaceae annual herb Feb-Apr FE None G2T1 S1 1B.2 SB_SBBG Non-native plant impacts Coastal dunes, Valley and foothill grassland Sandy 0 215 0 705 Yes 1980-01-01
No Photo Available
Phacelia inundata playa phacelia Hydrophyllaceae annual herb May-Aug(Sep) None None G3 S2 1B.3 BLM_S; SB_UCSC; USFS_S Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity Great Basin scrub, Lower montane coniferous forest, Playas Alkaline 1350 2000 4430 6560 1974-01-01 Photo of Phacelia inundata
©2008 F. Gauna
Phlox dolichantha Big Bear Valley phlox Polemoniaceae perennial herb May-Jul None None G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Pebble (Pavement) plain, Upper montane coniferous forest (openings) 1830 2970 6005 9745 Yes 1974-01-01
No Photo Available
Phlox hirsuta Yreka phlox Polemoniaceae perennial herb Apr-Jun FE CE G1 S1 1B.2 SB_CalBG/RSABG Development, Grazing, Logging, Non-native plant impacts, ORV activity, Over-collecting/poaching, Road/trail construction/maint., Vandalism/dumping/litter Lower montane coniferous forest, Upper montane coniferous forest Serpentine, Talus 820 1500 2690 4920 Yes 1980-01-01 Photo of Phlox hirsuta
©2015 John Doyen
Pholisma sonorae sand food Lennoaceae perennial herb (parasitic) (Mar)Apr-Jun None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Agriculture, Military operations, Non-native plant impacts, ORV activity, Other, Vandalism/dumping/litter Desert dunes, Sonoran desert scrub (sandy) 0 200 0 655 1974-01-01 Photo of Pholisma sonorae
© Michael Charters
Pholistoma auritum var. arizonicum Arizona pholistoma Hydrophyllaceae annual herb Mar None None G5T4? S3 2B.3 SB_CalBG/RSABG; SB_USDA Foot traffic/trampling, ORV activity, Other, Vandalism/dumping/litter Mojavean desert scrub, Sonoran desert scrub 275 835 900 2740 1984-01-01 Photo of Pholistoma auritum var. arizonicum
© 2017 Keir Morse
Physalis lobata lobed ground-cherry Solanaceae perennial herb (May)Sep-Jan None None G5 S1S2 2B.3 IUCN_LC; SB_CalBG/RSABG Development, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint. Mojavean desert scrub (decomposed granitic), Playas 500 800 1640 2625 1988-01-01 Photo of Physalis lobata
© 2012 Duncan S Bell
Picea engelmannii Engelmann spruce Pinaceae perennial evergreen tree None None G5 S2 2B.2 IUCN_LC Logging Upper montane coniferous forest 1065 2135 3495 7005 1974-01-01 Photo of Picea engelmannii
© 2021 Scot Loring
Pinguicula macroceras horned butterwort Lentibulariaceae perennial herb (carnivorous) Apr-Jun None None G4 S2 2B.2 IUCN_LC; SB_CalBG/RSABG; SB_UCSC Erosion/runoff, Foot traffic/trampling, Mining, Recreational use (non-ORV), Road/trail construction/maint. Bogs and fens (serpentinite) 40 1920 130 6300 1974-01-01 Photo of Pinguicula macroceras
©2009 Barry Rice
Pinus contorta ssp. bolanderi Bolander's beach pine Pinaceae perennial evergreen tree None None G5T2 S2 1B.2 SB_UCSC Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Grazing, Landfill, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Closed-cone coniferous forest (podzol-like soil) 75 250 245 820 Yes 1984-01-01
No Photo Available
Pinus radiata Monterey pine Pinaceae perennial evergreen tree None None G1 S1 1B.1 BLM_S; IUCN_EN; SB_CalBG/RSABG; SB_UCSC Development, Disease, Hybridization, Improper burning regime, Logging, Other Cismontane woodland, Closed-cone coniferous forest 25 185 80 605 1974-01-01 Photo of Pinus radiata
© 2008 Neal Kramer
Pinus torreyana ssp. torreyana Torrey pine Pinaceae perennial evergreen tree None None G1T1 S1 1B.2 IUCN_CR; SB_CalBG/RSABG; SB_CRES Development, Disease, Erosion/runoff, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Closed-cone coniferous forest Sandstone 30 160 100 525 Yes 1974-01-01
No Photo Available
Plagiobothrys chorisianus var. chorisianus Choris' popcornflower Boraginaceae annual herb Mar-Jun None None G3T1Q S1 1B.2 BLM_S; SB_UCSC Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Coastal prairie, Coastal scrub Mesic 3 160 10 525 Yes 1984-01-01
No Photo Available
Plagiobothrys diffusus San Francisco popcornflower Boraginaceae annual herb Mar-Jun None CE G1Q S1 1B.1 SB_UCSC Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Coastal prairie, Valley and foothill grassland 60 360 195 1180 Yes 1974-01-01
No Photo Available
Plagiobothrys glaber hairless popcornflower Boraginaceae annual herb Mar-May None None GX SX 1A Agriculture, Development Marshes and swamps (coastal salt), Meadows and seeps (alkaline) 15 180 50 590 Yes 1974-01-01
No Photo Available
Plagiobothrys hystriculus bearded popcornflower Boraginaceae annual herb Apr-May None None G2 S2 1B.1 Development, Disking, Non-native plant impacts, Other, Road/trail construction/maint. Valley and foothill grassland (mesic), Vernal pools (margins) 0 274 0 900 Yes 1974-01-01 Photo of Plagiobothrys hystriculus
© 2006 Robert E. Preston
Plagiobothrys lithocaryus Mayacamas popcornflower Boraginaceae annual herb Apr-May None None GX SX 1A Chaparral, Cismontane woodland, Valley and foothill grassland Mesic 300 450 985 1475 Yes 1974-01-01
No Photo Available
Pleuropogon hooverianus North Coast semaphore grass Poaceae perennial rhizomatous herb Apr-Jun None CT G2 S2 1B.1 BLM_S; SB_BerrySB; SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Insufficient population/stand size, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Broadleafed upland forest, Meadows and seeps, North Coast coniferous forest Mesic, Openings 10 671 35 2200 Yes 1974-01-01
No Photo Available
Poa atropurpurea San Bernardino blue grass Poaceae perennial rhizomatous herb (Apr)May-Jul(Aug) FE None G2 S2 1B.2 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps (mesic) 1360 2455 4460 8055 Yes 1974-01-01
No Photo Available
Poa napensis Napa blue grass Poaceae perennial herb May-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, ORV activity, Other, Road/trail construction/maint., Surface water diversion Meadows and seeps, Valley and foothill grassland Alkaline 100 200 330 655 Yes 1974-01-01
No Photo Available
Poa abbreviata ssp. pattersonii Patterson's blue grass Poaceae perennial herb Jul None None G5T5 S1 2B.3 Alpine boulder and rock field 3300 3660 10825 12010 1988-01-01
No Photo Available
Rhinotropis subspinosa spiny milkwort Polygalaceae perennial herb May-Aug None None G4? S3 2B.2 Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland Gravelly, Rocky 1330 1705 4365 5595 1984-01-01
No Photo Available
Polygonum polygaloides ssp. esotericum Modoc County knotweed Polygonaceae annual herb May-Sep None None G4G5T3 S3 1B.3 BLM_S; SB_UCSC Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, Other, Road/trail construction/maint. Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Vernal pools Mesic 885 1690 2905 5545 1974-01-01 Photo of Polygonum polygaloides ssp. esotericum
©2013 Jake Ruygt
Populus angustifolia narrow-leaved cottonwood Salicaceae perennial deciduous tree Mar-Apr None None G5 S2 2B.2 Altered flood/tidal/hydrologic regime, Other Riparian forest 1200 1800 3935 5905 1980-01-01
No Photo Available
Pseudobahia peirsonii San Joaquin adobe sunburst Asteraceae annual herb Feb-Apr FT CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion Cismontane woodland, Valley and foothill grassland Adobe, Clay 90 800 295 2625 Yes 1974-01-01
No Photo Available
Puccinellia parishii Parish's alkali grass Poaceae annual herb Apr-May None None G2G3 S1 1B.1 BLM_S Altered flood/tidal/hydrologic regime, Grazing, Groundwater pumping, Road/trail construction/maint. Meadows and seeps (alkaline springs, seeps) 700 1000 2295 3280 1974-01-01
No Photo Available
Puccinellia pumila dwarf alkali grass Poaceae perennial herb Jul None None G5 SH 2B.2 Marshes and swamps (coastal salt) 1 10 5 35 1988-01-01
No Photo Available
Ivesia arizonica var. arizonica yellow ivesia Rosaceae perennial herb May-Aug None None G3T3 S1 2B.3 Pinyon and juniper woodland, Subalpine coniferous forest, Upper montane coniferous forest Rocky 1200 3100 3935 10170 1988-01-01 Photo of Ivesia arizonica var. arizonica
© 2021 Matt C. Berger
Carlquistia muirii Muir's tarplant Asteraceae perennial rhizomatous herb Jul-Aug(Oct) None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Logging, Road/trail construction/maint. Chaparral (montane), Lower montane coniferous forest, Upper montane coniferous forest Granitic 755 2500 2475 8205 Yes 1980-01-01
No Photo Available
Raillardella pringlei showy raillardella Asteraceae perennial rhizomatous herb Jul-Sep None None G2G3 S2S3 1B.2 BLM_S; SB_BerrySB; SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint. Bogs and fens, Meadows and seeps, Upper montane coniferous forest Mesic, Serpentine 1200 2290 3935 7515 Yes 1974-01-01 Photo of Raillardella pringlei
©2008 Shauna Hee
Anisocarpus scabridus scabrid alpine tarplant Asteraceae perennial herb Jul-Aug(Sep) None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Development, Erosion/runoff, Foot traffic/trampling, ORV activity, Other, Road/trail construction/maint. Upper montane coniferous forest (metamorphic, rocky) 1650 2300 5415 7545 Yes 1980-01-01 Photo of Anisocarpus scabridus
©2014 Sierra Pacific Industries
Ranunculus hydrocharoides frog's-bit buttercup Ranunculaceae perennial herb (aquatic) (May)Jun-Sep None None G4 S1 2B.1 Foot traffic/trampling, Grazing, Other Marshes and swamps (freshwater) 1100 2700 3610 8860 1974-01-01
No Photo Available
Rhynchospora alba white beaked-rush Cyperaceae perennial rhizomatous herb Jun-Aug None None G5 S2 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Biocides, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Vandalism/dumping/litter Bogs and fens, Marshes and swamps (freshwater), Meadows and seeps 60 2040 195 6695 1974-01-01 Photo of Rhynchospora alba
© 2021 Scot Loring
Rhynchospora californica California beaked-rush Cyperaceae perennial rhizomatous herb May-Jul None None G1 S1 1B.1 BLM_S; SB_UCSC Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Non-native plant impacts Bogs and fens, Lower montane coniferous forest, Marshes and swamps (freshwater), Meadows and seeps (seeps) 45 1010 150 3315 Yes 1974-01-01 Photo of Rhynchospora californica
© 2013 Jake Ruygt
Rhynchospora globularis round-headed beaked-rush Cyperaceae perennial rhizomatous herb Jul-Aug None None G5 S1 2B.1 Development, Non-native plant impacts, Other Marshes and swamps (freshwater) 45 60 150 195 1974-01-01
No Photo Available
Ribes canthariforme Moreno currant Grossulariaceae perennial deciduous shrub Feb-Apr None None G2 S2 1B.3 BLM_S; SB_CRES; USFS_S Development, Improper burning regime, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Riparian scrub 340 1200 1115 3935 Yes 1974-01-01
No Photo Available
Ribes divaricatum var. parishii Parish's gooseberry Grossulariaceae perennial deciduous shrub Feb-Apr None None G5TX SX 1A Channelization, Development, Improper burning regime, Non-native plant impacts, Other Riparian woodland 65 300 215 985 Yes 1988-01-01
No Photo Available
Ribes hudsonianum var. petiolare western black currant Grossulariaceae perennial deciduous shrub May-Jul None None G5T5 S2 2B.3 Recreational use (non-ORV), Road/trail construction/maint. Riparian scrub 1500 2230 4920 7315 1988-01-01
No Photo Available
Ribes menziesii var. ixoderme aromatic canyon gooseberry Grossulariaceae perennial deciduous shrub Apr None None G4T2 S2 1B.2 Road/trail construction/maint. Chaparral, Cismontane woodland 610 1160 2000 3805 Yes 1980-01-01
No Photo Available
Ribes thacherianum Santa Cruz Island gooseberry Grossulariaceae perennial deciduous shrub Feb-Jun None None G2 S2 1B.2 SB_USDA Cismontane woodland, Closed-cone coniferous forest, Riparian woodland 10 455 35 1495 Yes 1974-01-01
No Photo Available
Ribes tularense Sequoia gooseberry Grossulariaceae perennial deciduous shrub May None None G1 S1 1B.3 BLM_S Logging, Other, Road/trail construction/maint., Vandalism/dumping/litter Lower montane coniferous forest, Upper montane coniferous forest 1500 2075 4920 6810 Yes 1974-01-01
No Photo Available
Ribes viburnifolium Santa Catalina Island currant Grossulariaceae perennial evergreen shrub Feb-Apr None None G2? S2? 1B.2 SB_USDA Erosion/runoff Chaparral, Cismontane woodland 30 350 100 1150 1974-01-01
No Photo Available
Rorippa columbiae Columbia yellow cress Brassicaceae perennial rhizomatous herb May-Oct(Nov) None None G3 S2 1B.2 BLM_S; USFS_S Altered flood/tidal/hydrologic regime, Biocides, Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest, Meadows and seeps, Playas, Vernal pools Mesic 1200 1800 3935 5905 1980-01-01 Photo of Rorippa columbiae
©2005 Dean Wm. Taylor
Nasturtium gambelii Gambel's water cress Brassicaceae perennial rhizomatous herb Apr-Oct FE CT G1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Groundwater pumping, Hybridization, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Surface water diversion, Vandalism/dumping/litter Marshes and swamps (brackish, freshwater) 5 330 15 1085 1980-01-01
No Photo Available
Rorippa subumbellata Tahoe yellow cress Brassicaceae perennial rhizomatous herb May-Sep None CE G1 S1 1B.1 SB_BerrySB; SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Vandalism/dumping/litter, Waterway bank protection/maintenance Lower montane coniferous forest, Meadows and seeps Decomposed granitic 1890 1905 6200 6250 1974-01-01
No Photo Available
Rosa minutifolia small-leaved rose Rosaceae perennial deciduous shrub Jan-Jun None CE G2G3 SX.C 2B.1 SB_CalBG/RSABG; SB_CRES Development, Non-native plant impacts, ORV activity, Wood cutting or brush clearing Chaparral, Coastal scrub 150 160 490 525 1988-01-01
No Photo Available
Sanicula saxatilis rock sanicle Apiaceae perennial herb Apr-May None CR G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Broadleafed upland forest, Chaparral, Valley and foothill grassland Rocky, Scree, Talus 620 1175 2035 3855 Yes 1974-01-01 Photo of Sanicula saxatilis
© 1998 John Game
Sanvitalia abertii Abert's sanvitalia Asteraceae annual herb Aug-Sep(Oct) None None G5 S2S3 2B.2 SB_CalBG/RSABG Development, Grazing, Logging, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Vandalism/dumping/litter Pinyon and juniper woodland (carbonate) 1570 1800 5150 5905 1988-01-01
No Photo Available
Saussurea americana American saw-wort Asteraceae perennial herb Jul-Aug None None G5 S1 2B.2 Lower montane coniferous forest, Meadows and seeps Mesic 1735 1950 5695 6400 1974-01-01 Photo of Saussurea americana
Matt C. Berger (2019)
Saxifraga cespitosa tufted saxifrage Saxifragaceae perennial herb Jun-Sep None None G5 S1 2B.3 Meadows and seeps (mesic, rocky) 915 1980 3000 6495 1988-01-01 Photo of Saxifraga cespitosa
© 2021 Scot Loring
Cascadia nuttallii Nuttall's saxifrage Saxifragaceae perennial rhizomatous herb May None None G4? S1 2B.1 North Coast coniferous forest (mesic, rocky) 40 75 130 245 1988-01-01 Photo of Cascadia nuttallii
© 2021 Scot Loring
Scheuchzeria palustris American scheuchzeria Scheuchzeriaceae perennial rhizomatous herb (emergent) Jul-Aug None None G5 S1 2B.1 USFS_S Altered flood/tidal/hydrologic regime, Dam/Inundation, Foot traffic/trampling, Grazing, Other, Recreational use (non-ORV) Bogs and fens, Marshes and swamps (lake margins) 1370 2000 4495 6560 1974-01-01 Photo of Scheuchzeria palustris
©2021 Scot Loring
Trichophorum pumilum little bulrush Cyperaceae perennial rhizomatous herb Aug None None G5 S1 2B.2 SB_CalBG/RSABG Erosion/runoff, Grazing Bogs and fens, Marshes and swamps, Riparian scrub Carbonate, Streambanks 2860 3250 9385 10665 1994-01-01
No Photo Available
Schoenoplectus subterminalis water bulrush Cyperaceae perennial rhizomatous herb (aquatic) Jun-Aug(Sep) None None G5 S3 2B.3 IUCN_LC Altered flood/tidal/hydrologic regime, Degraded water quality, Grazing, Logging, Other, Recreational use (non-ORV), Surface water diversion, Vandalism/dumping/litter Bogs and fens, Marshes and swamps (montane lake margins) 750 2250 2460 7380 1980-01-01 Photo of Schoenoplectus subterminalis
Dean Wm. Taylor (1996)
Scleropogon brevifolius burro grass Poaceae perennial stoloniferous herb Oct None None G5 S2? 2B.3 Development, Grazing, Mining, ORV activity, Road/trail construction/maint. Joshua tree "woodland", Mojavean desert scrub (decomposed granitic) 1360 1600 4460 5250 1984-01-01
No Photo Available
Scrophularia atrata black-flowered figwort Scrophulariaceae perennial herb Mar-Jul None None G2? S2? 1B.2 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Landfill, Mining, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Closed-cone coniferous forest, Coastal dunes, Coastal scrub, Riparian scrub 10 500 35 1640 Yes 1974-01-01
No Photo Available
Scrophularia villosa Santa Catalina figwort Scrophulariaceae perennial shrub Apr-Aug None None G3 S3 1B.2 SB_CalBG/RSABG Chaparral, Coastal scrub 45 510 150 1675 Yes 1974-01-01
No Photo Available
Sedum albomarginatum Feather River stonecrop Crassulaceae perennial herb May-Jun None None G2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Erosion/runoff, Improper burning regime, Logging, Mining, Road/trail construction/maint. Chaparral, Lower montane coniferous forest Serpentine 260 1950 855 6400 Yes 1980-01-01
No Photo Available
Sedum eastwoodiae Red Mountain stonecrop Crassulaceae perennial herb May-Jul None None G2 S2 1B.2 BLM_S Erosion/runoff, Logging Lower montane coniferous forest (serpentinite) 600 1200 1970 3935 Yes 1980-01-01
No Photo Available
Sedum oblanceolatum Applegate stonecrop Crassulaceae perennial herb Jun-Jul None None G3 S1 1B.1 SB_BerrySB Logging, Mining, Over-collecting/poaching, Road/trail construction/maint. Upper montane coniferous forest (rocky) 400 2000 1310 6560 1988-01-01 Photo of Sedum oblanceolatum
© 2021 Scot Loring
Sedum paradisum ssp. paradisum Canyon Creek stonecrop Crassulaceae perennial herb May-Jun None None G3G4T3 S3 1B.3 BLM_S; SB_UCSC; USFS_S Foot traffic/trampling, Improper burning regime, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Lower montane coniferous forest, Subalpine coniferous forest Granitic, Rocky 300 1900 985 6235 Yes 1980-01-01 Photo of Sedum paradisum ssp. paradisum
©2018 Julie Kierstead Nelson
Acleisanthes nevadensis desert wing-fruit Nyctaginaceae perennial herb Apr-Sep None None G4? S1 2B.1 Biocides, Development, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint. Joshua tree "woodland", Mojavean desert scrub Gravelly, Rocky 795 1250 2610 4100 1984-01-01 Photo of Acleisanthes nevadensis
© 2020 Neal Kramer
Packera bernardina San Bernardino ragwort Asteraceae perennial herb May-Jul None None G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Meadows and seeps (mesic, sometimes alkaline), Pebble (Pavement) plain, Upper montane coniferous forest 1800 2300 5905 7545 Yes 1974-01-01
No Photo Available
Packera eurycephala var. lewisrosei Lewis Rose's ragwort Asteraceae perennial herb Mar-Jul(Aug-Sep) None None G4T2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Disking, Erosion/runoff, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Lower montane coniferous forest Serpentine 274 1890 900 6200 Yes 1984-01-01
No Photo Available
Packera ganderi Gander's ragwort Asteraceae perennial herb Apr-Jun None CR G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Mining, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (burned areas, gabbroic outcrops) 400 1200 1310 3935 Yes 1974-01-01
No Photo Available
Packera layneae Layne's ragwort Asteraceae perennial herb Apr-Aug FT CR G2 S2 1B.2 SB_CalBG/RSABG; SB_UCBG; SB_UCSC Agriculture, Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Grazing, Landfill, Logging, Mining, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland Gabbroic (sometimes), Rocky, Serpentine (sometimes) 200 1085 655 3560 Yes 1974-01-01 Photo of Packera layneae
Steve Tyron
Senecio pattersonensis Mt. Patterson senecio Asteraceae perennial rhizomatous herb Jul-Aug(Sep) None None G3 S3 1B.3 SB_SBBG; USFS_S Alpine boulder and rock field 2900 3720 9515 12205 1980-01-01
No Photo Available
Sibara filifolia Santa Cruz Island winged-rockcress Brassicaceae annual herb (Feb)Mar-Apr FE None G2 S2 1B.1 SB_CalBG/RSABG; SB_SBBG Foot traffic/trampling Coastal scrub (rocky, volcanic) Openings (often) 60 305 195 1000 Yes 1974-01-01 Photo of Sibara filifolia
© 2008 Kim M Klementowski
Sidalcea covillei Owens Valley checkerbloom Malvaceae perennial herb Apr-Jun None CE G2 S2 1B.1 BLM_S; SB_SBBG Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Foot traffic/trampling, Grazing, Groundwater pumping, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Chenopod scrub, Meadows and seeps Alkaline, Mesic 1095 1415 3595 4645 Yes 1974-01-01 Photo of Sidalcea covillei
© 2001 Larry Blakely
Sidalcea hickmanii ssp. anomala Cuesta Pass checkerbloom Malvaceae perennial herb May-Jun None CR G2T1 S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S Development, Erosion/runoff, Feral pigs, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Closed-cone coniferous forest Rocky, Serpentine 600 800 1970 2625 Yes 1974-01-01
No Photo Available
Sidalcea hickmanii ssp. hickmanii Hickman's checkerbloom Malvaceae perennial herb May-Jul None None G2T2 S2 1B.3 SB_SBBG; USFS_S Feral pigs, Foot traffic/trampling, Grazing, Military operations, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (openings), Cismontane woodland, Coastal bluff scrub 335 1220 1100 4005 Yes 1974-01-01
No Photo Available
Sidalcea hickmanii ssp. parishii Parish's checkerbloom Malvaceae perennial herb (May)Jun-Aug None CR G2T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Lower montane coniferous forest 1000 2499 3280 8200 Yes 1974-01-01
No Photo Available
Silene marmorensis Marble Mountain campion Caryophyllaceae perennial herb Jun-Aug None None G2 S2 1B.2 Biocides, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest 170 1250 560 4100 Yes 1980-01-01 Photo of Silene marmorensis
©2021 Dana York
Silene occidentalis ssp. longistipitata long-stiped campion Caryophyllaceae perennial herb Jun-Aug None None G4T2Q S2 1B.2 BLM_S; SB_UCSC; USFS_S Biocides, Foot traffic/trampling, Grazing, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Lower montane coniferous forest, Upper montane coniferous forest 1000 2000 3280 6560 Yes 1984-01-01 Photo of Silene occidentalis ssp. longistipitata
© 2013 Kirsten Bovee
Silene suksdorfii Cascade alpine campion Caryophyllaceae perennial herb Jul-Sep None None G4 S3 2B.3 SB_UCSC Logging Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest Rocky, Volcanic 2355 3110 7725 10205 1988-01-01 Photo of Silene suksdorfii
©2008 Shawn DeCew
Silene verecunda ssp. verecunda San Francisco campion Caryophyllaceae perennial herb (Feb)Mar-Jul(Aug) None None G5T1 S1 1B.2 SB_CalBG/RSABG; SB_UCSC Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV) Chaparral, Coastal bluff scrub, Coastal prairie, Coastal scrub, Valley and foothill grassland Sandy 30 645 100 2115 Yes 1980-01-01
No Photo Available
Smelowskia ovalis alpine smelowskia Brassicaceae perennial herb Jul-Aug None None G5 S1 1B.2 Foot traffic/trampling, Road/trail construction/maint. Alpine boulder and rock field 2440 3100 8005 10170 1974-01-01 Photo of Smelowskia ovalis
© 2016 Jason Matthias Mills
Solanum wallacei Wallace's nightshade Solanaceae perennial herb Mar-Aug None None G3Q S2 1B.1 SB_CalBG/RSABG Grazing, Non-native animal impacts Chaparral, Cismontane woodland Rocky 3 410 10 1345 1974-01-01
No Photo Available
Sphaeralcea rusbyi var. eremicola Rusby's desert-mallow Malvaceae perennial herb Mar-Jun None None G4T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Joshua tree "woodland", Mojavean desert scrub 975 1645 3200 5395 Yes 1974-01-01
No Photo Available
Sphenopholis obtusata prairie wedge grass Poaceae perennial herb Apr-Jul None None G5 S2 2B.2 Non-native plant impacts, Recreational use (non-ORV), Vandalism/dumping/litter Cismontane woodland, Meadows and seeps Mesic 300 2000 985 6560 1974-01-01
No Photo Available
Stipa arida Mormon needle grass Poaceae perennial herb May-Jul None None G5 S3? 2B.3 SB_CalBG/RSABG; SB_USDA Development, Grazing, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint. Joshua tree "woodland", Pinyon and juniper woodland Carbonate 500 2570 1640 8430 1974-01-01
No Photo Available
Streptanthus albidus ssp. albidus Metcalf Canyon jewelflower Brassicaceae annual herb Apr-Jul FE None G2T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Biocides, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Valley and foothill grassland (serpentinite) 45 800 150 2625 Yes 1974-01-01 Photo of Streptanthus albidus ssp. albidus
© 2015 Aaron Schusteff
Streptanthus albidus ssp. peramoenus most beautiful jewelflower Brassicaceae annual herb (Mar)Apr-Sep(Oct) None None G2T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCBG; USFS_S Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Landfill, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Waterway bank protection/maintenance Chaparral, Cismontane woodland, Valley and foothill grassland Serpentine 95 1000 310 3280 Yes 1988-01-01 Photo of Streptanthus albidus ssp. peramoenus
© 1994 Robert E. Preston, Ph.D.
Streptanthus batrachopus Tamalpais jewelflower Brassicaceae annual herb Apr-Jul None None G2 S2 1B.3 SB_UCSC Foot traffic/trampling, Other, Recreational use (non-ORV) Chaparral, Closed-cone coniferous forest Serpentine 305 650 1000 2135 Yes 1974-01-01 Photo of Streptanthus batrachopus
© 2012 Aaron Schusteff
Streptanthus brachiatus ssp. brachiatus Socrates Mine jewelflower Brassicaceae perennial herb May-Jun None None G2T1 S1 1B.2 BLM_S Development, Mining, ORV activity, Road/trail construction/maint. Chaparral, Closed-cone coniferous forest Serpentine (usually) 545 1000 1790 3280 Yes 1980-01-01
No Photo Available
Streptanthus callistus Mt. Hamilton jewelflower Brassicaceae annual herb Apr-May None None G1 S1 1B.2 BLM_S Erosion/runoff, Non-native plant impacts, Road/trail construction/maint. Chaparral, Cismontane woodland 600 790 1970 2590 Yes 1974-01-01 Photo of Streptanthus callistus
© 2012 Aaron Schusteff
Streptanthus cordatus var. piutensis Piute Mountains jewelflower Brassicaceae perennial herb May-Jul None None G5T1 S1 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Development, Other, Road/trail construction/maint. Broadleafed upland forest, Closed-cone coniferous forest, Pinyon and juniper woodland Clay (sometimes), Metamorphic (sometimes) 1095 1825 3595 5990 Yes 1980-01-01
No Photo Available
Streptanthus fenestratus Tehipite Valley jewelflower Brassicaceae annual herb (Apr)May-Jul None None G2 S2 1B.1 SB_SBBG; USFS_S Foot traffic/trampling, Other, Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest 1065 1750 3495 5740 Yes 1980-01-01 Photo of Streptanthus fenestratus
© 2011 Aaron Schusteff
Streptanthus glandulosus ssp. pulchellus Mt. Tamalpais bristly jewelflower Brassicaceae annual herb May-Jul(Aug) None None G4T2 S2 1B.2 SB_CalBG/RSABG Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Valley and foothill grassland Serpentine 150 800 490 2625 Yes 1980-01-01 Photo of Streptanthus glandulosus ssp. pulchellus
© 2016 Aaron Schusteff
Streptanthus glandulosus ssp. hoffmanii Hoffman's bristly jewelflower Brassicaceae annual herb Mar-Jul None None GNRT2 S2 1B.3 BLM_S; SB_UCSC Erosion/runoff, Logging, Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland (often serpentine) Rocky 120 475 395 1560 Yes 1980-01-01
No Photo Available
Streptanthus gracilis alpine jewelflower Brassicaceae annual herb Jul-Aug None None G3 S3 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Road/trail construction/maint. Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 2800 3500 9185 11485 Yes 1974-01-01
No Photo Available
Streptanthus hispidus Mt. Diablo jewelflower Brassicaceae annual herb Mar-Jun None None G2 S2 1B.3 SB_CalBG/RSABG Foot traffic/trampling, Non-native animal impacts, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Valley and foothill grassland Rocky 365 1200 1200 3935 Yes 1974-01-01 Photo of Streptanthus hispidus
© 2011 Aaron Schusteff
Streptanthus howellii Howell's jewelflower Brassicaceae perennial herb Jul-Aug None None G2G3 S2 1B.2 USFS_S Improper burning regime, Mining, Other, Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest (rocky, serpentine) 305 1500 1000 4920 1980-01-01 Photo of Streptanthus howellii
©Rick York and CNPS
Streptanthus insignis ssp. lyonii Arburua Ranch jewelflower Brassicaceae annual herb Mar-May None None G3G4T2 S2 1B.2 BLM_S Dam/Inundation, Grazing, Recreational use (non-ORV) Coastal scrub (sometimes serpentinite) 230 855 755 2805 Yes 1984-01-01
No Photo Available
Streptanthus glandulosus ssp. niger Tiburon jewelflower Brassicaceae annual herb May-Jun FE CE G4T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Valley and foothill grassland (serpentinite) 30 150 100 490 Yes 1974-01-01
No Photo Available
Streptanthus oliganthus Masonic Mountain jewelflower Brassicaceae perennial herb Jun-Jul None None G3 S3 1B.2 BLM_S; USFS_S Erosion/runoff, Improper burning regime, Military operations, Mining, Road/trail construction/maint. Pinyon and juniper woodland (granitic, rocky, volcanic) 1980 3050 6495 10005 1974-01-01
No Photo Available
Suaeda californica California seablite Chenopodiaceae perennial evergreen shrub Jul-Oct FE None G1 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Marshes and swamps (coastal salt) 0 15 0 50 Yes 1988-01-01 Photo of Suaeda californica
© 2010 Chris Winchell
Suaeda esteroa estuary seablite Chenopodiaceae perennial herb (Jan-May)Jul-Oct None None G3 S2 1B.2 Development, Non-native plant impacts, Other, Road/trail construction/maint. Marshes and swamps (coastal salt) 0 5 0 15 1984-01-01
No Photo Available
Swallenia alexandrae Eureka Valley dune grass Poaceae perennial rhizomatous herb Apr-Jun FT CR G2 S2 1B.2 SB_CalBG/RSABG ORV activity Desert dunes 850 1280 2790 4200 Yes 1974-01-01
No Photo Available
Taraxacum californicum California dandelion Asteraceae perennial herb May-Aug FE None G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Hybridization, Insufficient population/stand size, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps (mesic) 1620 2800 5315 9185 Yes 1974-01-01
No Photo Available
Tauschia howellii Howell's tauschia Apiaceae perennial herb Jun-Aug None None G2G3 S2S3 1B.3 SB_SBBG; USFS_S Foot traffic/trampling, Logging, ORV activity, Other, Recreational use (non-ORV) Subalpine coniferous forest, Upper montane coniferous forest Granitic, Gravelly 1705 2500 5595 8205 1974-01-01 Photo of Tauschia howellii
©2011 Dean Wm. Taylor
Tetracoccus dioicus Parry's tetracoccus Picrodendraceae perennial deciduous shrub Apr-May None None G2G3 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Agriculture, Development, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Coastal scrub 165 1000 540 3280 1974-01-01
No Photo Available
Tetracoccus ilicifolius holly-leaved tetracoccus Picrodendraceae perennial deciduous shrub May-Jun None None G2 S2 1B.3 SB_CalBG/RSABG Mojavean desert scrub (carbonate, rocky) 600 1830 1970 6005 Yes 1974-01-01
No Photo Available
Thysanocarpus conchuliferus Santa Cruz Island fringepod Brassicaceae annual herb Mar-Apr(May) FE None G2? S2 1B.2 SB_SBBG Chaparral, Cismontane woodland Rocky 45 655 150 2150 Yes 1974-01-01
No Photo Available
Tracyina rostrata beaked tracyina Asteraceae annual herb May-Jun None None G2 S2 1B.2 BLM_S; USFS_S Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland 90 1270 295 4165 Yes 1974-01-01 Photo of Tracyina rostrata
©2018 John Game
Trichocoronis wrightii var. wrightii Wright's trichocoronis Asteraceae annual herb May-Sep None None G4T3 S1 2B.1 Agriculture, Grazing Marshes and swamps, Meadows and seeps, Riparian forest, Vernal pools Alkaline 5 435 15 1425 1988-01-01
No Photo Available
Trichostema austromontanum ssp. compactum Hidden Lake bluecurls Lamiaceae annual herb Jul-Sep FD None G3G4T1 S1 1B.1 SB_CalBG/RSABG Foot traffic/trampling, Other, Recreational use (non-ORV) Upper montane coniferous forest (seasonally submerged lake margins) 2400 2680 7875 8795 Yes 1974-01-01 Photo of Trichostema austromontanum ssp. compactum
© 2013 Keir Morse
Lysimachia europaea arctic starflower Myrsinaceae perennial herb Jun-Jul None None G5 S1 2B.2 Development, Foot traffic/trampling, Grazing, ORV activity, Other Bogs and fens, Meadows and seeps 0 15 0 50 1980-01-01 Photo of Lysimachia europaea
©2017 Barry Rice
Trifolium amoenum two-fork clover Fabaceae annual herb Apr-Jun FE None G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG; SB_USDA Development, Erosion/runoff Coastal bluff scrub, Valley and foothill grassland (sometimes serpentinite) 5 415 15 1360 Yes 1974-01-01
No Photo Available
Trifolium bolanderi Bolander's clover Fabaceae perennial herb Jun-Aug None None G3 S3 1B.2 SB_SBBG; SB_USDA; USFS_S Biocides, Development, Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Road/trail construction/maint. Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Mesic 2039 2600 6690 8530 Yes 1974-01-01
No Photo Available
Trifolium dedeckerae Dedecker's clover Fabaceae perennial herb May-Jul None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Grazing, Non-native plant impacts, Road/trail construction/maint. Lower montane coniferous forest, Pinyon and juniper woodland, Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 2100 3500 6890 11485 Yes 1974-01-01
No Photo Available
Trifolium polyodon Pacific Grove clover Fabaceae annual herb Apr-Jun(Jul) None CR G1 S1 1B.1 BLM_S; SB_USDA Altered flood/tidal/hydrologic regime, Biocides, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Closed-cone coniferous forest, Coastal prairie, Meadows and seeps, Valley and foothill grassland Granitic (sometimes), Mesic 5 425 15 1395 Yes 1974-01-01
No Photo Available
Trifolium trichocalyx Monterey clover Fabaceae annual herb Apr-Jun FE CE G1 S1 1B.1 SB_UCBG; SB_USDA Development, Improper burning regime, Logging, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Closed-cone coniferous forest (burned areas, openings, sandy) 30 305 100 1000 Yes 1974-01-01
No Photo Available
Verbena californica Red Hills vervain Verbenaceae perennial herb May-Sep FT CT G2 S2 1B.1 SB_CalBG/RSABG; SB_UCBG Altered flood/tidal/hydrologic regime, Development, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Vandalism/dumping/litter Cismontane woodland, Valley and foothill grassland Mesic, Seeps (usually), Serpentine (usually) 260 400 855 1310 Yes 1984-01-01 Photo of Verbena californica
© 2012 Lynn Robertson
Verbesina dissita big-leaved crownbeard Asteraceae perennial herb (Mar)Apr-Jul FT CT G2 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Coastal scrub 45 205 150 675 1984-01-01
No Photo Available
Viola primulifolia ssp. occidentalis western white bog violet Violaceae perennial rhizomatous herb Apr-Sep None None G5T2 S2 1B.2 USFS_S Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Logging, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Bogs and fens (serpentinite), Marshes and swamps 100 990 330 3250 1980-01-01 Photo of Viola primulifolia ssp. occidentalis
©2003 Norman Jensen
Woodsia plummerae Plummer's woodsia Woodsiaceae perennial rhizomatous herb May-Sep None None G5 S2 2B.3 Pinyon and juniper woodland (granitic, rocky) 1600 2000 5250 6560 1974-01-01
No Photo Available
Wyethia reticulata El Dorado County mule ears Asteraceae perennial herb Apr-Aug None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Biocides, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Over-collecting/poaching, Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Lower montane coniferous forest Clay (sometimes), Gabbroic (sometimes) 185 630 605 2065 Yes 1974-01-01 Photo of Wyethia reticulata
Steven Perry
Xylorhiza cognata Mecca-aster Asteraceae perennial herb Jan-Jun None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Erosion/runoff, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Sonoran desert scrub 20 400 65 1310 Yes 1980-01-01 Photo of Xylorhiza cognata
Aaron E. Sims
Xylorhiza orcuttii Orcutt's woody-aster Asteraceae perennial herb Mar-Apr None None G3? S3 1B.2 BLM_S; SB_CalBG/RSABG ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint., Vandalism/dumping/litter Sonoran desert scrub 0 365 0 1200 1974-01-01 Photo of Xylorhiza orcuttii
© Keir Morse
Acleisanthes longiflora angel trumpets Nyctaginaceae perennial herb May None None G5 S1 2B.3 SB_CalBG/RSABG Sonoran desert scrub (carbonate) 90 95 295 310 1994-01-01 Photo of Acleisanthes longiflora
© 2013 Richard Spellenberg
Allium atrorubens var. atrorubens Great Basin onion Alliaceae perennial bulbiferous herb May-Jun None None G4T4 S2 2B.3 Grazing, Improper burning regime, Military operations, Non-native plant impacts Great Basin scrub, Pinyon and juniper woodland Rocky (sometimes), Sandy (sometimes) 1200 2315 3935 7595 1994-01-01 Photo of Allium atrorubens var. atrorubens
© 2021 Steve Matson
Allium jepsonii Jepson's onion Alliaceae perennial bulbiferous herb Apr-Aug None None G2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Development, Erosion/runoff, Grazing, Logging, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Lower montane coniferous forest Serpentine, Volcanic 300 1320 985 4330 Yes 1994-01-01 Photo of Allium jepsonii
© 2019 Steven Perry
Allium nevadense Nevada onion Alliaceae perennial bulbiferous herb Apr-May None None G4 S3 2B.3 Development, Foot traffic/trampling, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV) Pinyon and juniper woodland (gravelly, sandy) 810 1700 2660 5580 1994-01-01 Photo of Allium nevadense
© 2006 James M. Andre
Antennaria marginata white-margined everlasting Asteraceae perennial stoloniferous herb May-Aug None None G4G5 S1 2B.3 USFS_S Foot traffic/trampling Lower montane coniferous forest, Upper montane coniferous forest 2120 3353 6955 11000 1994-01-01 Photo of Antennaria marginata
© 2010 Duncan S. Bell
Boechera dispar pinyon rockcress Brassicaceae perennial herb Mar-Jun None None G3 S3 2B.3 SB_CalBG/RSABG Foot traffic/trampling, Grazing, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Granitic, Gravelly 1200 2540 3935 8335 1994-01-01
No Photo Available
Arabis rigidissima var. demota Galena Creek rockcress Brassicaceae perennial herb Jul-Aug None None G3T3Q S1 1B.2 USFS_S Development, Foot traffic/trampling, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Upper montane coniferous forest Rocky 2255 2560 7400 8400 1994-01-01
No Photo Available
Arctostaphylos andersonii Anderson's manzanita Ericaceae perennial evergreen shrub Nov-May None None G2 S2 1B.2 SB_CalBG/RSABG; SB_UCSC Biocides, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Logging, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, North Coast coniferous forest Edges, Openings 60 760 195 2495 Yes 1974-01-01 Photo of Arctostaphylos andersonii
© 2018 Jason Matthias Mills
Arctostaphylos bakeri ssp. sublaevis Cedars manzanita Ericaceae perennial evergreen shrub Feb-May None CR G2T2 S2 1B.2 BLM_S; SB_UCSC Development, Mining, Road/trail construction/maint. Chaparral, Closed-cone coniferous forest Seeps, Serpentine 185 760 605 2495 Yes 1994-01-01 Photo of Arctostaphylos bakeri ssp. sublaevis
© 2012 John Game
Arctostaphylos glandulosa ssp. gabrielensis San Gabriel manzanita Ericaceae perennial evergreen shrub Mar None None G5T3 S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (rocky) 595 1500 1950 4920 Yes 1994-01-01 Photo of Arctostaphylos glandulosa ssp. gabrielensis
© 2016 Neal Kramer
Arctostaphylos glandulosa ssp. crassifolia Del Mar manzanita Ericaceae perennial evergreen shrub Jun-Apr FE None G5T2 S2 1B.1 SB_CRES Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Insufficient population/stand size, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (maritime, sandy) 0 365 0 1200 1974-01-01 Photo of Arctostaphylos glandulosa ssp. crassifolia
© 2012 Neal Kramer
Arctostaphylos nummularia ssp. mendocinoensis pygmy manzanita Ericaceae perennial evergreen shrub Jan None None G3?T1 S1 1B.2 SB_UCSC Closed-cone coniferous forest (acidic sandy clay) 90 200 295 655 Yes 1994-01-01 Photo of Arctostaphylos nummularia ssp. mendocinoensis
Steve Matson
Arctostaphylos osoensis Oso manzanita Ericaceae perennial evergreen shrub Feb-Mar None None G1 S1 1B.2 SB_UCSC Chaparral, Cismontane woodland 95 500 310 1640 Yes 1994-01-01 Photo of Arctostaphylos osoensis
David Graber
Arctostaphylos regismontana Kings Mountain manzanita Ericaceae perennial evergreen shrub Dec-Apr None None G2 S2 1B.2 SB_UCSC Biocides, Disease, Erosion/runoff, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Chaparral, North Coast coniferous forest Granitic, Sandstone 305 730 1000 2395 Yes 1994-01-01 Photo of Arctostaphylos regismontana
© 2007 Neal Kramer
Arctostaphylos tomentosa ssp. daciticola dacite manzanita Ericaceae perennial evergreen shrub Mar-May None None G4T1 S1 1B.1 SB_UCSC Chaparral, Cismontane woodland 100 300 330 985 Yes 1994-01-01 Photo of Arctostaphylos tomentosa ssp. daciticola
© 2019 Susan McDougall
Arnica fulgens hillside arnica Asteraceae perennial rhizomatous herb May-Jul(Aug) None None G5 S3 2B.2 Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Great Basin scrub, Lower montane coniferous forest, Meadows and seeps Mesic 1495 2700 4905 8860 1994-01-01 Photo of Arnica fulgens
© 2016 Keir Morse
Astragalus allochrous var. playanus playa milk-vetch Fabaceae perennial herb Apr None None G4T4 S2 2B.2 Road/trail construction/maint. Mojavean desert scrub (sandy) 800 800 2625 2625 1994-01-01 Photo of Astragalus allochrous var. playanus
© 2012 Steve Matson
Astragalus lentiginosus var. antonius San Antonio milk-vetch Fabaceae perennial herb Apr-Jul None None G5T2 S2 1B.3 SB_CalBG/RSABG; SB_USDA; USFS_S Channelization, Development, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest 1500 2600 4920 8530 Yes 1994-01-01
No Photo Available
Astragalus lentiginosus var. sierrae Big Bear Valley milk-vetch Fabaceae perennial herb Apr-Aug None None G5T2 S2 1B.2 SB_CalBG/RSABG; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Meadows and seeps, Mojavean desert scrub, Pinyon and juniper woodland, Upper montane coniferous forest Gravelly (sometimes), Rocky (sometimes) 1800 2600 5905 8530 Yes 1994-01-01
No Photo Available
Astragalus pachypus var. jaegeri Jaeger's milk-vetch Fabaceae perennial shrub Dec-Jun None None G4T1 S1 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Agriculture, Dam/Inundation, Development, Foot traffic/trampling, Grazing, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland Rocky (sometimes), Sandy (sometimes) 365 975 1200 3200 Yes 1994-01-01
No Photo Available
Astragalus platytropis broad-keeled milk-vetch Fabaceae perennial herb Jun-Sep None None G4 S2S3 2B.2 Foot traffic/trampling, Grazing, Mining, ORV activity, Recreational use (non-ORV) Alpine boulder and rock field, Pinyon and juniper woodland, Subalpine coniferous forest Rocky 2345 3550 7695 11650 1994-01-01
No Photo Available
Astragalus pulsiferae var. pulsiferae Pulsifer's milk-vetch Fabaceae perennial herb May-Aug(Sep) None None G4T2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland Granitic (usually), Rocky (sometimes), Sandy (sometimes) 1300 1800 4265 5905 1994-01-01
No Photo Available
Astragalus pulsiferae var. suksdorfii Suksdorf's milk-vetch Fabaceae perennial herb May-Aug None None G4T2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Development, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland Gravelly, Rocky, Volcanic 1300 2000 4265 6560 1994-01-01 Photo of Astragalus pulsiferae var. suksdorfii
©2013 Kirsten Bovee
Atriplex serenana var. davidsonii Davidson's saltscale Chenopodiaceae annual herb Apr-Oct None None G5T1 S1 1B.2 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Disking, Grazing, Landfill, Non-native plant impacts, ORV activity, Waterway bank protection/maintenance Coastal bluff scrub, Coastal scrub Alkaline 10 200 35 655 1994-01-01
No Photo Available
Baccharis plummerae ssp. glabrata San Simeon baccharis Asteraceae perennial deciduous shrub Jun None None G3T1 S1 1B.2 USFS_S Coastal scrub 50 480 165 1575 Yes 1994-01-01
No Photo Available
Balsamorhiza lanata woolly balsamroot Asteraceae perennial herb Apr-Jun None None G3 S3 1B.2 BLM_S; SB_CalBG/RSABG Agriculture, Biocides, Development, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland Rocky, Volcanic 800 1895 2625 6215 1994-01-01 Photo of Balsamorhiza lanata
© 2015 John Doyen
Berberis fremontii Fremont barberry Berberidaceae perennial evergreen shrub Mar-May None None G5 S3 2B.3 SB_CalBG/RSABG Joshua tree "woodland", Pinyon and juniper woodland Granitic (sometimes), Rocky 1145 1720 3755 5645 1980-01-01
No Photo Available
Blepharizonia plumosa big tarplant Asteraceae annual herb Jul-Oct None None G1G2 S1S2 1B.1 SB_CalBG/RSABG Development, Disking, Erosion/runoff, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Valley and foothill grassland Clay (usually) 30 505 100 1655 Yes 1994-01-01
No Photo Available
Kopsiopsis hookeri small groundcone Orobanchaceae perennial rhizomatous herb (parasitic) Apr-Aug None None G4? S1S2 2B.3 Foot traffic/trampling, Hybridization, Insufficient population/stand size, Logging, Road/trail construction/maint. Lower montane coniferous forest, North Coast coniferous forest, Upper montane coniferous forest 90 885 295 2905 1994-01-01 Photo of Kopsiopsis hookeri
©2016 Vernon Smith
Botrychium ascendens upswept moonwort Ophioglossaceae perennial rhizomatous herb (Jun)Jul-Aug None None G4 S3 2B.2 USFS_S Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Lower montane coniferous forest, Meadows and seeps Mesic 1115 3045 3660 9990 1994-01-01 Photo of Botrychium ascendens
© 2005 Steve Matson
Botrychium neolunaria North American moonwort Ophioglossaceae perennial rhizomatous herb Jun-Sep None None G5 S2 2B.3 USFS_S Altered flood/tidal/hydrologic regime, Grazing, Other, Vandalism/dumping/litter Meadows and seeps Mesic, Rocky (sometimes) 1980 3415 6495 11205 1994-01-01
No Photo Available
Botrychium montanum western goblin Ophioglossaceae perennial rhizomatous herb Jul-Sep None None G3G4 S3 2B.1 USFS_S Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Wood cutting or brush clearing Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Mesic 1465 2180 4805 7155 1994-01-01 Photo of Botrychium montanum
©2012 Belinda Lo
Botrychium pinnatum northwestern moonwort Ophioglossaceae perennial rhizomatous herb Jul-Oct None None G5 S1 2B.2 USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Mesic 1770 2040 5805 6695 1994-01-01 Photo of Botrychium pinnatum
©2020 Belinda Lo
Calochortus clavatus var. gracilis slender mariposa-lily Liliaceae perennial bulbiferous herb Mar-Jun(Nov) None None G4T2T3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland 320 1000 1050 3280 Yes 1994-01-01 Photo of Calochortus clavatus var. gracilis
© 2012 Anuja Parikh and Nathan Gale
Calochortus palmeri var. palmeri Palmer's mariposa-lily Liliaceae perennial bulbiferous herb Apr-Jul None None G3T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S Altered flood/tidal/hydrologic regime, Degraded water quality, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Lower montane coniferous forest, Meadows and seeps Mesic 710 2390 2330 7840 Yes 1994-01-01 Photo of Calochortus palmeri var. palmeri
© 2017 Aaron Schusteff
Calochortus weedii var. intermedius intermediate mariposa-lily Liliaceae perennial bulbiferous herb May-Jul None None G3G4T3 S3 1B.2 SB_CalBG/RSABG; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland Rocky 105 855 345 2805 Yes 1994-01-01
No Photo Available
Calochortus fimbriatus late-flowered mariposa-lily Liliaceae perennial bulbiferous herb Jun-Aug None None G3 S3 1B.3 BLM_S; SB_SBBG; USFS_S Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Riparian woodland Serpentine (sometimes) 275 1905 900 6250 Yes 1994-01-01
No Photo Available
Calycadenia villosa dwarf calycadenia Asteraceae annual herb May-Oct None None G3 S3 1B.1 BLM_S; SB_SBBG; USFS_S Agriculture, Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Meadows and seeps, Valley and foothill grassland Rocky 240 1350 785 4430 Yes 1994-01-01 Photo of Calycadenia villosa
© 2015 David Wolfson
Calystegia sepium ssp. binghamiae Santa Barbara morning-glory Convolvulaceae perennial rhizomatous herb Aug None None G5TXQ SX 1A Marshes and swamps (coastal) 5 5 15 15 Yes 1994-01-01
No Photo Available
Carex comosa bristly sedge Cyperaceae perennial rhizomatous herb May-Sep None None G5 S2 2B.1 IUCN_LC Agriculture, Biocides, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Coastal prairie, Marshes and swamps (lake margins), Valley and foothill grassland 0 625 0 2050 1994-01-01 Photo of Carex comosa
Dean Wm. Taylor 1997
Carex hystericina porcupine sedge Cyperaceae perennial rhizomatous herb May-Jun None None G5 S2 2B.1 Road/trail construction/maint. Marshes and swamps (streambanks) 610 2400 2000 7875 1994-01-01 Photo of Carex hystericina
©2014 Robert E. Preston, Ph.D.
Carex leptalea bristle-stalked sedge Cyperaceae perennial rhizomatous herb Mar-Jul None None G5 S1 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Dam/Inundation, Foot traffic/trampling, Logging, Non-native plant impacts, Other, Road/trail construction/maint. Bogs and fens, Marshes and swamps, Meadows and seeps (mesic) 0 700 0 2295 1994-01-01 Photo of Carex leptalea
© 2003 Steve Matson
Carex limosa mud sedge Cyperaceae perennial rhizomatous herb Jun-Aug None None G5 S3 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV) Bogs and fens, Lower montane coniferous forest, Marshes and swamps, Meadows and seeps, Upper montane coniferous forest 1200 2700 3935 8860 1994-01-01 Photo of Carex limosa
Steve Matson 2009
Carex scoparia var. scoparia pointed broom sedge Cyperaceae perennial herb Jul-Sep None None G5T5 S1 2B.2 Marshes and swamps (freshwater) 1205 1280 3955 4200 1994-01-01
No Photo Available
Carlowrightia arizonica Arizona carlowrightia Acanthaceae perennial deciduous shrub Mar-May None None G4G5 S2 2B.2 Sonoran desert scrub (granitic, alluvium, sandy) 285 430 935 1410 1994-01-01
No Photo Available
Ceanothus ophiochilus Vail Lake ceanothus Rhamnaceae perennial evergreen shrub Feb-Mar FT CE G1 S1 1B.1 SB_CalBG/RSABG Development, Hybridization, Improper burning regime, Non-native plant impacts, Road/trail construction/maint. Chaparral (gabbroic, pyroxenite-rich outcrops) 580 1065 1905 3495 Yes 1994-01-01
No Photo Available
Chaenactis carphoclinia var. peirsonii Peirson's pincushion Asteraceae annual herb Mar-Apr None None G5T2 S2 1B.3 BLM_S; SB_CalBG/RSABG ORV activity Sonoran desert scrub (sandy) 3 500 10 1640 Yes 1994-01-01
No Photo Available
Chaenactis douglasii var. alpina alpine dusty maidens Asteraceae perennial herb Jul-Sep None None G5T5 S2 2B.3 Foot traffic/trampling, Other, Over-collecting/poaching, Recreational use (non-ORV), Vandalism/dumping/litter Alpine boulder and rock field (granitic) 2865 3400 9400 11155 1994-01-01 Photo of Chaenactis douglasii var. alpina
© 2008 Steve Matson
Chlorogalum pomeridianum var. minus dwarf soaproot Agavaceae perennial bulbiferous herb May-Aug None None G5T3 S3 1B.2 BLM_S; SB_SBBG; USFS_S Erosion/runoff, Feral pigs, Grazing, Improper burning regime, Military operations, Road/trail construction/maint. Chaparral (serpentinite) 305 1000 1000 3280 Yes 1994-01-01 Photo of Chlorogalum pomeridianum var. minus
© 1997 Dean Wm Taylor
Chorizanthe biloba var. immemora Hernandez spineflower Polygonaceae annual herb May-Aug(Sep) None None G3T1T2 S1S2 1B.2 BLM_S Chaparral, Cismontane woodland Clay (sometimes), Gravelly (often), Serpentine (usually) 425 1115 1395 3660 Yes 1994-01-01
No Photo Available
Chorizanthe cuspidata var. cuspidata San Francisco Bay spineflower Polygonaceae annual herb Apr-Jul(Aug) None None G2T1 S1 1B.2 SB_CalBG/RSABG Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Coastal bluff scrub, Coastal dunes, Coastal prairie, Coastal scrub Sandy 3 215 10 705 Yes 1994-01-01
No Photo Available
Chorizanthe cuspidata var. villosa woolly-headed spineflower Polygonaceae annual herb May-Jul(Aug) None None G2T2 S2 1B.2 Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Wood cutting or brush clearing Coastal dunes, Coastal prairie, Coastal scrub Sandy 3 60 10 195 Yes 1994-01-01
No Photo Available
Chorizanthe parryi var. parryi Parry's spineflower Polygonaceae annual herb Apr-Jun None None G3T2 S2 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Grazing, Improper burning regime, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland Openings, Rocky (sometimes), Sandy (sometimes) 275 1220 900 4005 Yes 1994-01-01 Photo of Chorizanthe parryi var. parryi
© 2012 Keir Morse
Chorizanthe polygonoides var. longispina long-spined spineflower Polygonaceae annual herb Apr-Jul None None G5T3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Coastal scrub, Meadows and seeps, Valley and foothill grassland, Vernal pools Clay (often) 30 1530 100 5020 1994-01-01
No Photo Available
Chorizanthe pungens var. hartwegiana Ben Lomond spineflower Polygonaceae annual herb Apr-Jul FE None G2T1 S1 1B.1 SB_UCSC Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest (maritime ponderosa pine sandhills) 90 610 295 2000 Yes 1994-01-01
No Photo Available
Chorizanthe robusta var. hartwegii Scotts Valley spineflower Polygonaceae annual herb Apr-Jul FE None G2T1 S1 1B.1 SB_UCSC Development, Non-native plant impacts, Other, Road/trail construction/maint. Meadows and seeps (sandy), Valley and foothill grassland (mudstone, Purisima outcrops) 230 245 755 805 Yes 1994-01-01
No Photo Available
Chorizanthe xanti var. leucotheca white-bracted spineflower Polygonaceae annual herb Apr-Jun None None G4T3 S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA; USFS_S Development, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint. Coastal scrub (alluvial fans), Mojavean desert scrub, Pinyon and juniper woodland Gravelly (sometimes), Sandy (sometimes) 300 1200 985 3935 Yes 1994-01-01
No Photo Available
Clarkia concinna ssp. raichei Raiche's red ribbons Onagraceae annual herb Apr-May None None G5?T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Grazing, Road/trail construction/maint. Coastal bluff scrub 0 100 0 330 Yes 1994-01-01 Photo of Clarkia concinna ssp. raichei
© 2015 Aaron Schusteff
Clarkia gracilis ssp. albicaulis white-stemmed clarkia Onagraceae annual herb (Apr)May-Jul None None G5T3 S3 1B.2 BLM_S; SB_UCBG; USFS_S Biocides, Erosion/runoff, Logging, Mining, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland Serpentine (sometimes) 245 1085 805 3560 Yes 1994-01-01
No Photo Available
Claytonia umbellata Great Basin claytonia Montiaceae perennial herb May-Aug None None G4 S1 2B.1 ORV activity, Road/trail construction/maint. Subalpine coniferous forest (talus) 1705 3500 5595 11485 1994-01-01
No Photo Available
Collinsia corymbosa round-headed collinsia Plantaginaceae annual herb Apr-Jun None None G1 S1 1B.2 SB_CalBG/RSABG Development, Foot traffic/trampling, Non-native plant impacts, ORV activity Coastal dunes 0 20 0 65 Yes 1994-01-01 Photo of Collinsia corymbosa
©2007 Steve Matson
Corallorhiza trifida northern coralroot Orchidaceae perennial rhizomatous herb (achlorophyllous) Jun-Jul None None G5 S1 2B.1 Improper burning regime, Logging, Recreational use (non-ORV) Lower montane coniferous forest, Meadows and seeps (edges) Mesic 1370 1745 4495 5725 1994-01-01 Photo of Corallorhiza trifida
© 2021 Scot Loring
Crepis runcinata fiddleleaf hawksbeard Asteraceae perennial herb May-Aug None None G5 S3 2B.2 Grazing, ORV activity, Road/trail construction/maint. Mojavean desert scrub, Pinyon and juniper woodland Alkaline, Mesic 1250 1975 4100 6480 2015-10-26
No Photo Available
Cryptantha dissita serpentine cryptantha Boraginaceae annual herb Apr-Jun None None G3 S3 1B.2 BLM_S Agriculture, Development, Erosion/runoff, Mining, Other Chaparral (serpentinite) 395 580 1295 1905 Yes 1994-01-01 Photo of Cryptantha dissita
©2019 Terry Gosliner
Cryptantha clokeyi Clokey's cryptantha Boraginaceae annual herb Apr None None G3 S3 1B.2 BLM_S Mining Mojavean desert scrub 725 1365 2380 4480 Yes 1994-01-01
No Photo Available
Draba monoensis White Mountains draba Brassicaceae perennial herb Aug None None G1 S1 1B.2 USFS_S Grazing Alpine boulder and rock field, Meadows and seeps 3000 3960 9845 12995 Yes 1994-01-01
No Photo Available
Dudleya cymosa ssp. costatifolia Pierpoint Springs dudleya Crassulaceae perennial herb May-Jul None None G4T1 S1 1B.2 USFS_S Over-collecting/poaching Chaparral, Cismontane woodland Carbonate 1435 1600 4710 5250 Yes 2001-01-01
No Photo Available
Ericameria cuneata var. macrocephala Laguna Mountains goldenbush Asteraceae perennial shrub Sep-Dec None None G5T2T3 S2S3 1B.3 BLM_S; SB_CalBG/RSABG; SB_CRES Chaparral (granitic) 1195 1850 3920 6070 Yes 1994-01-01
No Photo Available
Erigeron greenei Greene's narrow-leaved daisy Asteraceae perennial herb May-Sep None None G2? S2? 1B.2 BLM_S Other Chaparral (serpentinite, volcanic) 80 1005 260 3295 Yes 1994-01-01
No Photo Available
Erigeron calvus bald daisy Asteraceae perennial herb May None None G1Q S1 1B.1 BLM_S Foot traffic/trampling, Mining, Other Great Basin scrub 1200 1200 3935 3935 Yes 1994-01-01
No Photo Available
Erigeron inornatus var. keilii Keil's daisy Asteraceae perennial herb Jun-Sep None None G5T2 S2 1B.3 SB_CalBG/RSABG Lower montane coniferous forest, Meadows and seeps 1800 2200 5905 7220 Yes 1994-01-01
No Photo Available
Erigeron mariposanus Mariposa daisy Asteraceae perennial herb Jun-Aug None None GX SX 1A Cismontane woodland 600 800 1970 2625 Yes 1994-01-01
No Photo Available
Erigeron serpentinus serpentine daisy Asteraceae perennial herb May-Aug None None G2 S1 1B.2 BLM_S; SB_CalBG/RSABG Feral pigs, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other Chaparral (seeps, serpentinite) 60 670 195 2200 Yes 1994-01-01
No Photo Available
Eriogonum evanidum vanishing wild buckwheat Polygonaceae annual herb Jul-Oct None None G1 S1S2 1B.1 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Grazing, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest, Pinyon and juniper woodland Gravelly (sometimes), Sandy (sometimes) 1100 2225 3610 7300 1994-01-01 Photo of Eriogonum evanidum
© 2008 Naomi Fraga
Eriogonum heermannii var. occidentale western Heermann's buckwheat Polygonaceae perennial deciduous shrub Jul-Oct None None G5T2 S2 1B.2 BLM_S; SB_UCSC Erosion/runoff, ORV activity Cismontane woodland (openings) Clay (rarely), Roadsides (usually), Serpentine (often), Shale (rarely), Slopes (rarely) 105 795 345 2610 Yes 1994-01-01
No Photo Available
Eriogonum kennedyi var. alpigenum southern alpine buckwheat Polygonaceae perennial herb Jul-Sep None None G4T3 S3 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint. Alpine boulder and rock field, Subalpine coniferous forest Granitic, Gravelly 2600 3500 8530 11485 Yes 1994-01-01
No Photo Available
Eriogonum nudum var. decurrens Ben Lomond buckwheat Polygonaceae perennial herb Jun-Oct None None G5T1 S1 1B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, Logging, Mining, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest (maritime ponderosa pine sandhills) Sandy 50 800 165 2625 Yes 1994-01-01
No Photo Available
Eriogonum nudum var. paralinum Del Norte buckwheat Polygonaceae perennial herb Jun-Sep None None G5T2 S1 2B.2 Development Coastal bluff scrub, Coastal prairie 5 80 15 260 1994-01-01
No Photo Available
Eriogonum nudum var. regirivum Kings River buckwheat Polygonaceae perennial herb Aug-Nov None None G5T2 S2 1B.2 USFS_S Erosion/runoff Cismontane woodland (carbonate, rocky) 150 300 490 985 Yes 1994-01-01
No Photo Available
Eriogonum alexanderae Alexander's buckwheat Polygonaceae perennial herb May-Jul None None G5T3? S1 1B.1 BLM_S; SB_CalBG/RSABG Great Basin scrub, Pinyon and juniper woodland Gravelly (sometimes), Shale (sometimes) 2895 2895 9500 9500 1994-01-01
No Photo Available
Erythronium pluriflorum Shuteye Peak fawn lily Liliaceae perennial bulbiferous herb May-Jul None None G2 S2 1B.3 SB_SBBG; USFS_S Foot traffic/trampling, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 2300 2550 7545 8365 Yes 1994-01-01
No Photo Available
Eschscholzia lemmonii ssp. kernensis Tejon poppy Papaveraceae annual herb (Feb)Mar-May None None G5T2 S2 1B.1 BLM_S; SB_CalBG/RSABG; SB_SBBG; SB_USDA Grazing, Mining, Non-native plant impacts, Road/trail construction/maint. Chenopod scrub, Valley and foothill grassland 160 1000 525 3280 Yes 1994-01-01
No Photo Available
Eschscholzia minutiflora ssp. twisselmannii Red Rock poppy Papaveraceae annual herb Mar-May None None G5T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Mojavean desert scrub (volcanic tuff) 680 1230 2230 4035 Yes 1994-01-01
No Photo Available
Fritillaria lanceolata var. tristulis Marin checker lily Liliaceae perennial bulbiferous herb Feb-May None None G5T2 S2 1B.1 SB_UCSC Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub, Coastal prairie, Coastal scrub 15 150 50 490 Yes 1994-01-01 Photo of Fritillaria lanceolata var. tristulis
© 2020 Barry Rice
Fritillaria biflora var. ineziana Hillsborough chocolate lily Liliaceae perennial bulbiferous herb Mar-Apr None None G3G4T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG; SB_USDA Other Cismontane woodland, Valley and foothill grassland Serpentine 150 150 490 490 Yes 1994-01-01 Photo of Fritillaria biflora var. ineziana
© 2012 Toni Corelli
Galium angustifolium ssp. jacinticum San Jacinto Mountains bedstraw Rubiaceae perennial herb Jun-Aug None None G5T2? S2? 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Development, Logging, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Lower montane coniferous forest 1350 2100 4430 6890 Yes 1994-01-01 Photo of Galium angustifolium ssp. jacinticum
© 2015 Keir Morse
Gentiana plurisetosa Klamath gentian Gentianaceae perennial herb Jul-Sep None None G2 S2 1B.3 Foot traffic/trampling, Grazing Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Mesic 1200 1900 3935 6235 1994-01-01 Photo of Gentiana plurisetosa
©2011 Kjirsten Wayman
Geum aleppicum Aleppo avens Rosaceae perennial herb Jun-Aug None None G5 S2 2B.2 Development, Foot traffic/trampling, Grazing, Road/trail construction/maint. Great Basin scrub, Lower montane coniferous forest, Meadows and seeps 450 1500 1475 4920 1994-01-01 Photo of Geum aleppicum
©2015 Barry Breckling
Centromadia parryi ssp. congdonii Congdon's tarplant Asteraceae annual herb (Apr)May-Oct(Nov) None None G3T2 S2 1B.1 BLM_S; SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Waterway bank protection/maintenance Valley and foothill grassland (alkaline) 0 230 0 755 Yes 1994-01-01
No Photo Available
Hesperevax sparsiflora var. brevifolia short-leaved evax Asteraceae annual herb Mar-Jun None None G4T3 S3 1B.2 BLM_S; SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub (sandy), Coastal dunes, Coastal prairie 0 215 0 705 1994-01-01 Photo of Hesperevax sparsiflora var. brevifolia
© 2006 Doreen L. Smith
Hesperolinon tehamense Tehama County western flax Linaceae annual herb May-Jul None None G2 S2 1B.3 BLM_S Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Cismontane woodland Serpentine 100 1250 330 4100 Yes 1994-01-01 Photo of Hesperolinon tehamense
© 2018 John Doyen
Heterotheca shevockii Shevock's golden-aster Asteraceae perennial herb Aug-Nov None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland Sandy 230 900 755 2955 Yes 1994-01-01 Photo of Heterotheca shevockii
© 2017 Chris Winchell
Anthoxanthum nitens ssp. nitens vanilla-grass Poaceae perennial rhizomatous herb Apr-Jul None None G5T5 S2 2B.3 Foot traffic/trampling, Grazing, Logging, Recreational use (non-ORV) Meadows and seeps (mesic) 1500 1895 4920 6215 1994-01-01 Photo of Anthoxanthum nitens ssp. nitens
©2013 Kirsten Bovee
Hulsea mexicana Mexican hulsea Asteraceae annual/perennial herb Apr-Jun None None G3 S1 2B.3 SB_CalBG/RSABG Chaparral (often burned areas or disturbed areas, volcanic) 1200 1200 3935 3935 1994-01-01 Photo of Hulsea mexicana
© 2018 Aaron Schusteff
Lasthenia glabrata ssp. coulteri Coulter's goldfields Asteraceae annual herb Feb-Jun None None G4T2 S2 1B.1 BLM_S; SB_CalBG/RSABG; SB_SBBG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Groundwater pumping, Insufficient population/stand size, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Marshes and swamps (coastal salt), Playas, Vernal pools 1 1220 5 4005 1994-01-01 Photo of Lasthenia glabrata ssp. coulteri
© 2013 Keir Morse
Lathyrus palustris marsh pea Fabaceae perennial herb Mar-Aug None None G5 S2 2B.2 Altered flood/tidal/hydrologic regime, Development, Logging, Non-native plant impacts, ORV activity, Other Bogs and fens, Coastal prairie, Coastal scrub, Lower montane coniferous forest, Marshes and swamps, North Coast coniferous forest Mesic 1 100 5 330 1994-01-01 Photo of Lathyrus palustris
© 2016 Keir Morse
Layia heterotricha pale-yellow layia Asteraceae annual herb Mar-Jun None None G2 S2 1B.1 BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S Agriculture, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Cismontane woodland, Coastal scrub, Pinyon and juniper woodland, Valley and foothill grassland Alkaline (sometimes), Clay (sometimes) 300 1705 985 5595 Yes 1994-01-01 Photo of Layia heterotricha
© 2003 Christopher L. Christie
Layia septentrionalis Colusa layia Asteraceae annual herb Apr-May None None G2 S2 1B.2 BLM_S; SB_UCBG Agriculture, Biocides, Development, Erosion/runoff, Grazing, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Valley and foothill grassland Sandy, Serpentine 100 1095 330 3595 Yes 1994-01-01 Photo of Layia septentrionalis
© 2013 Jake Ruygt
Lepidium jaredii ssp. album Panoche pepper-grass Brassicaceae annual herb Feb-Jun None None G2G3T2T3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG Grazing, Mining, Other Valley and foothill grassland (clay, steep slopes, sometimes alkaline) 185 745 605 2445 Yes 1994-01-01 Photo of Lepidium jaredii ssp. album
© 2015 Debra L. Cook
Lepidium latipes var. heckardii Heckard's pepper-grass Brassicaceae annual herb Mar-May None None G4T1 S1 1B.2 Development, Disking, Foot traffic/trampling, Grazing Valley and foothill grassland (alkaline flats) 2 200 5 655 Yes 1994-01-01 Photo of Lepidium latipes var. heckardii
2018 Jennifer Buck
Limosella australis Delta mudwort Scrophulariaceae perennial stoloniferous herb May-Aug None None G5 S2 2B.1 Altered flood/tidal/hydrologic regime, Degraded water quality, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Vandalism/dumping/litter, Waterway bank protection/maintenance Marshes and swamps (brackish, freshwater), Riparian scrub Streambanks (usually) 0 3 0 10 1994-01-01 Photo of Limosella australis
© 2020 Richard Sage
Leptosiphon pygmaeus ssp. pygmaeus pygmy leptosiphon Polemoniaceae annual herb Apr None None G4T1 S1 1B.2 Coastal scrub, Valley and foothill grassland 455 595 1495 1950 1994-01-01 Photo of Leptosiphon pygmaeus ssp. pygmaeus
© 2008 Kim M. Klementowski
Lomatium hendersonii Henderson's lomatium Apiaceae perennial herb Mar-Jun None None G5? S2 2B.3 Other, Road/trail construction/maint. Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland Clay, Rocky 1400 2440 4595 8005 1994-01-01 Photo of Lomatium hendersonii
©2007 Norman Jensen
Acmispon argyraeus var. multicaulis scrub lotus Fabaceae perennial herb Apr-Jun None None G4?T2 S2 1B.3 BLM_S; SB_CalBG/RSABG Development, Mining, ORV activity Pinyon and juniper woodland (granitic) 1200 1500 3935 4920 Yes 1994-01-01 Photo of Acmispon argyraeus var. multicaulis
© 2010 James M. Andre
Acmispon argyraeus var. notitius Providence Mountains lotus Fabaceae perennial herb May-Aug None None G4?T2 S1 1B.3 Pinyon and juniper woodland 1200 2000 3935 6560 Yes 1994-01-01
No Photo Available
Acmispon haydonii pygmy lotus Fabaceae perennial herb Jan-Jun None None G3 S3 1B.3 BLM_S; SB_CRES; SB_USDA Development, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Pinyon and juniper woodland, Sonoran desert scrub Rocky 520 1200 1705 3935 1994-01-01 Photo of Acmispon haydonii
© 1995 Saint Mary's College of California
Monardella follettii Follett's monardella Lamiaceae perennial shrub Jun-Sep None None G2 S2 1B.2 SB_UCSC; USFS_S Erosion/runoff, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest (rocky, serpentine) 600 2000 1970 6560 Yes 1994-01-01
No Photo Available
Monardella stebbinsii Stebbins' monardella Lamiaceae perennial rhizomatous herb Jul-Sep None None G2 S2 1B.2 SB_UCSC; USFS_S Development, Erosion/runoff, Logging, Mining, Road/trail construction/maint. Broadleafed upland forest, Chaparral, Lower montane coniferous forest Rocky, Serpentine 780 1100 2560 3610 Yes 1974-01-01 Photo of Monardella stebbinsii
© 2011 George W. Hartwell
Montia howellii Howell's montia Montiaceae annual herb (Feb)Mar-May None None G3G4 S2 2B.2 Altered flood/tidal/hydrologic regime, Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps, North Coast coniferous forest, Vernal pools Roadsides (sometimes), Vernally Mesic 0 835 0 2740 1994-01-01 Photo of Montia howellii
© 2004 Dean Wm. Taylor
Muhlenbergia appressa appressed muhly Poaceae annual herb Apr-May None None G4 S3 2B.2 Grazing Coastal scrub, Mojavean desert scrub, Valley and foothill grassland Rocky 20 1600 65 5250 1994-01-01 Photo of Muhlenbergia appressa
© 2006 Steve Matson
Muhlenbergia fragilis delicate muhly Poaceae annual herb Oct None None G5? S2 2B.3 Non-native animal impacts, Non-native plant impacts Pinyon and juniper woodland (carbonate, gravelly) 1600 1600 5250 5250 1994-01-01
No Photo Available
Munroa squarrosa false buffalo-grass Poaceae annual herb Oct None None G5 S2 2B.2 Pinyon and juniper woodland (gravelly, rocky) 1500 1800 4920 5905 1994-01-01
No Photo Available
Nama dichotoma var. dichotoma forked purple mat Namaceae annual herb Sep-Oct None None G5T5? S1 2B.3 Pinyon and juniper woodland (carbonate, granitic) 1900 2200 6235 7220 1994-01-01
No Photo Available
Nama stenocarpa mud nama Namaceae annual/perennial herb Jan-Jul None None G4G5 S1S2 2B.2 Development, Road/trail construction/maint., Surface water diversion Marshes and swamps (lake margins, riverbanks) 5 500 15 1640 1994-01-01
No Photo Available
Navarretia leucocephala ssp. bakeri Baker's navarretia Polemoniaceae annual herb Apr-Jul None None G4T2 S2 1B.1 BLM_S; SB_CalBG/RSABG Agriculture, Development, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, Valley and foothill grassland, Vernal pools Mesic 5 1740 15 5710 Yes 1994-01-01 Photo of Navarretia leucocephala ssp. bakeri
© 2018 Barry Rice
Navarretia myersii ssp. myersii pincushion navarretia Polemoniaceae annual herb Apr-May None None G2T2 S2 1B.1 Development, Erosion/runoff, Grazing, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Vernal pools Acidic (often) 20 330 65 1085 Yes 1994-01-01 Photo of Navarretia myersii ssp. myersii
© 2020 Leigh Johnson
Navarretia nigelliformis ssp. radians shining navarretia Polemoniaceae annual herb (Mar)Apr-Jul None None G4T2T3 S2S3 1B.2 BLM_S Agriculture, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland, Vernal pools Clay (sometimes) 65 1000 215 3280 Yes 1994-01-01
No Photo Available
Navarretia peninsularis Baja navarretia Polemoniaceae annual herb (May)Jun-Aug None None G3 S2 1B.2 SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Feral pigs, Foot traffic/trampling, Grazing, Mining, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (openings), Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland Mesic 1500 2300 4920 7545 1994-01-01
No Photo Available
Nemacaulis denudata var. denudata coast woolly-heads Polygonaceae annual herb Apr-Sep None None G3G4T2 S2 1B.2 SB_CalBG/RSABG; SB_CRES Biocides, Disking, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Vandalism/dumping/litter Coastal dunes 0 100 0 330 1994-01-01
No Photo Available
Nemacaulis denudata var. gracilis slender cottonheads Polygonaceae annual herb (Mar)Apr-May None None G3G4T3? S2 2B.2 Development, Grazing, Non-native plant impacts, ORV activity Coastal dunes, Desert dunes, Sonoran desert scrub -50 400 -165 1310 1994-01-01
No Photo Available
Neviusia cliftonii Shasta snow-wreath Rosaceae perennial deciduous shrub Apr-Jun None CT G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest, Riparian woodland Carbonate (sometimes), Streambanks (often), Volcanic 300 590 985 1935 Yes 1994-01-01 Photo of Neviusia cliftonii
©2008 Steve Matson
Opuntia xcurvispina curved-spine beavertail Cactaceae perennial stem Apr-Jun None None G2G3 S1 2B.2 Chaparral, Mojavean desert scrub, Pinyon and juniper woodland 1000 1400 3280 4595 1994-01-01
No Photo Available
Opuntia fragilis brittle prickly-pear Cactaceae perennial stem Apr-Jul None None G5 S1 2B.1 IUCN_LC Grazing, Recreational use (non-ORV) Pinyon and juniper woodland (volcanic) 820 880 2690 2885 1994-01-01 Photo of Opuntia fragilis
©2008 John Dittes
Acanthoscyphus parishii var. abramsii Abrams' oxytheca Polygonaceae annual herb Jun-Aug None None G4?T1T2 S1S2 1B.2 USFS_S Road/trail construction/maint. Chaparral (sandy, shale) 1143 2057 3750 6750 Yes 1994-01-01 Photo of Acanthoscyphus parishii var. abramsii
© 2007 Steve Matson
Pedicularis centranthera Great Basin lousewort Orobanchaceae perennial herb Apr-Jun None None G5 S2 2B.3 BLM_S Development, Grazing, Other Great Basin scrub (alluvial) 1300 1500 4265 4920 1994-01-01
No Photo Available
Poa abbreviata ssp. marshii Marsh's blue grass Poaceae perennial herb Jun None None G5T2 S1 2B.3 Alpine boulder and rock field 3660 3660 12010 12010 1994-01-01
No Photo Available
Potamogeton robbinsii Robbins' pondweed Potamogetonaceae perennial rhizomatous herb (aquatic) Jul-Aug None None G5 S3 2B.3 IUCN_LC Altered flood/tidal/hydrologic regime, Erosion/runoff, Non-native plant impacts, Other, Recreational use (non-ORV) Marshes and swamps (lakes, deep water) 1530 3300 5020 10825 1994-01-01 Photo of Potamogeton robbinsii
©2014 Dana York
Potamogeton zosteriformis eel-grass pondweed Potamogetonaceae annual herb (aquatic) Jun-Jul None None G5 S3 2B.2 Altered flood/tidal/hydrologic regime, Degraded water quality, Non-native plant impacts, Recreational use (non-ORV) Marshes and swamps (freshwater) 0 1860 0 6105 1994-01-01
No Photo Available
Potentilla cristae crested potentilla Rosaceae perennial herb (Jul)Aug-Sep None None G2 S2 1B.3 ORV activity Alpine boulder and rock field, Subalpine coniferous forest Gravelly (sometimes), Mesic (sometimes), Rocky (sometimes), Seeps (often), Serpentine (often) 1800 2800 5905 9185 Yes 1994-01-01 Photo of Potentilla cristae
©2011 Steve Matson
Drymocallis cuneifolia var. ewanii Ewan's woodbeauty Rosaceae perennial herb Jun-Jul None None G2T2 S2 1B.3 SB_CalBG/RSABG; SB_USDA; USFS_S Road/trail construction/maint. Lower montane coniferous forest (near seeps, springs), Meadows and seeps 1900 2400 6235 7875 Yes 1994-01-01
No Photo Available
Potentilla morefieldii Morefield's cinquefoil Rosaceae perennial herb Jul-Sep None None G2 S2 1B.3 SB_CalBG/RSABG; USFS_S Erosion/runoff, Foot traffic/trampling, Other, Road/trail construction/maint. Alpine boulder and rock field (carbonate) 3265 4000 10710 13125 Yes 1994-01-01
No Photo Available
Potentilla newberryi Newberry's cinquefoil Rosaceae perennial herb May-Aug None None G3G4 S2S3 2B.3 Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Marshes and swamps (drying margins), Vernal pools 1300 2200 4265 7220 1994-01-01 Photo of Potentilla newberryi
© 2006 Keir Morse
Potentilla rimicola cliff cinquefoil Rosaceae perennial herb Jul-Sep None None G2 S1 2B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 2400 2800 7875 9185 1994-01-01 Photo of Potentilla rimicola
© 2005 US Forest Service
Puccinellia howellii Howell's alkali grass Poaceae perennial herb Apr-Jun None None G1 S1 1B.1 BLM_S; SB_BerrySB Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Meadows and seeps (mineralized) 490 490 1610 1610 Yes 1994-01-01 Photo of Puccinellia howellii
©1991 Dean Wm. Taylor
Quercus dumosa Nuttall's scrub oak Fagaceae perennial evergreen shrub Feb-Apr(May-Aug) None None G3 S3 1B.1 BLM_S; IUCN_EN; SB_CRES; USFS_S Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Closed-cone coniferous forest, Coastal scrub Clay, Loam, Sandy 15 400 50 1310 1994-01-01
No Photo Available
Rhus aromatica var. simplicifolia single-leaved skunkbrush Anacardiaceae perennial deciduous shrub Mar-Apr None None G5T5 S2 2B.3 Foot traffic/trampling Pinyon and juniper woodland Granitic (usually) 1220 1370 4005 4495 1994-01-01
No Photo Available
Rupertia hallii Hall's rupertia Fabaceae perennial herb Jun-Aug(Sep) None None G2G3 S2S3 1B.2 BLM_S; USFS_S Improper burning regime, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland, Lower montane coniferous forest Openings (sometimes), Roadsides (often) 545 2250 1790 7380 Yes 1994-01-01
No Photo Available
Salix bebbiana Bebb's willow Salicaceae perennial deciduous tree May None None G5 S2S3 2B.3 IUCN_LC Recreational use (non-ORV) Marshes and swamps (lake margins, streambanks), Riparian scrub 1200 2230 3935 7315 1994-01-01 Photo of Salix bebbiana
© 2021 Jennifer J. Whipple
Sanguisorba officinalis great burnet Rosaceae perennial rhizomatous herb Jul-Oct None None G5? S2 2B.2 Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, Other, Recreational use (non-ORV) Bogs and fens, Broadleafed upland forest, Marshes and swamps, Meadows and seeps, North Coast coniferous forest, Riparian forest Serpentine (often) 60 1400 195 4595 1994-01-01 Photo of Sanguisorba officinalis
©2006 Dr. Amadej Trnkoczy
Schoenoplectus heterochaetus slender bulrush Cyperaceae perennial rhizomatous herb Aug None None G5 S1 2B.1 IUCN_LC Lower montane coniferous forest, Marshes and swamps (lake margins) 1600 1600 5250 5250 1994-01-01
No Photo Available
Scutellaria bolanderi ssp. austromontana southern mountains skullcap Lamiaceae perennial rhizomatous herb Jun-Aug None None G4T3 S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Logging Chaparral, Cismontane woodland, Lower montane coniferous forest Mesic 425 2000 1395 6560 Yes 1994-01-01
No Photo Available
Scutellaria galericulata marsh skullcap Lamiaceae perennial rhizomatous herb Jun-Sep None None G5 S2 2B.2 Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Surface water diversion, Wood cutting or brush clearing Lower montane coniferous forest, Marshes and swamps, Meadows and seeps (mesic) 0 2100 0 6890 1994-01-01 Photo of Scutellaria galericulata
© 2021 Scot Loring
Scutellaria lateriflora side-flowering skullcap Lamiaceae perennial rhizomatous herb Jul-Sep None None G5 S1S2 2B.2 IUCN_LC Recreational use (non-ORV) Marshes and swamps, Meadows and seeps (mesic) 0 500 0 1640 1994-01-01
No Photo Available
Sedum divergens Cascade stonecrop Crassulaceae perennial herb Jul-Sep None None G5 S1 2B.3 Alpine boulder and rock field 1600 2330 5250 7645 1994-01-01 Photo of Sedum divergens
© 2021 Scot Loring
Selaginella scopulorum Rocky Mountain spike-moss Selaginellaceae perennial rhizomatous herb Jul-Aug None None G5? S2S3 2B.3 Subalpine coniferous forest, Upper montane coniferous forest Granitic, Metamorphic, Rocky, Volcanic 1430 2285 4690 7495 2001-01-01 Photo of Selaginella scopulorum
©2014 Dana York
Selaginella eremophila desert spike-moss Selaginellaceae perennial rhizomatous herb (May)Jun(Jul) None None G4 S2S3 2B.2 Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Road/trail construction/maint. Chaparral, Sonoran desert scrub (gravelly, rocky) 200 1295 655 4250 1994-01-01
No Photo Available
Senecio aphanactis chaparral ragwort Asteraceae annual herb Jan-Apr(May) None None G3 S2 1B.2 SB_CalBG/RSABG; SB_CRES Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub Alkaline (sometimes) 15 800 50 2625 1994-01-01 Photo of Senecio aphanactis
Neal Kramer
Senecio clevelandii var. heterophyllus Red Hills ragwort Asteraceae perennial herb May-Jul None None G4?T2Q S2 1B.2 BLM_S; SB_SBBG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Improper burning regime, ORV activity, Other, Recreational use (non-ORV) Cismontane woodland (seeps, serpentinite) 260 385 855 1265 Yes 1994-01-01 Photo of Senecio clevelandii var. heterophyllus
© 2015 Barry Breckling
Sidalcea calycosa ssp. rhizomata Point Reyes checkerbloom Malvaceae perennial rhizomatous herb Apr-Sep None None G5T2 S2 1B.2 Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Marshes and swamps (freshwater, near coast) 3 75 10 245 Yes 1994-01-01
No Photo Available
Sidalcea malviflora ssp. patula Siskiyou checkerbloom Malvaceae perennial rhizomatous herb (Mar-Apr)May-Aug None None G4G5T2 S2 1B.2 BLM_S; SB_UCSC Agriculture, Biocides, Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Coastal bluff scrub, Coastal prairie, North Coast coniferous forest Roadsides (often) 15 1230 50 4035 1994-01-01 Photo of Sidalcea malviflora ssp. patula
©2004 Dean Wm. Taylor
Sidalcea neomexicana salt spring checkerbloom Malvaceae perennial herb Mar-Jun None None G4 S2 2B.2 USFS_S Development Chaparral, Coastal scrub, Lower montane coniferous forest, Mojavean desert scrub, Playas Alkaline, Mesic 15 1530 50 5020 1994-01-01
No Photo Available
Sidalcea oregana ssp. eximia coast checkerbloom Malvaceae perennial herb Jun-Aug None None G5T1 S1 1B.2 BLM_S Biocides, Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, Other, Road/trail construction/maint. Lower montane coniferous forest, Meadows and seeps, North Coast coniferous forest 5 1340 15 4395 Yes 1994-01-01
No Photo Available
Sidalcea oregana ssp. hydrophila marsh checkerbloom Malvaceae perennial herb (Jun)Jul-Aug None None G5T2 S2 1B.2 SB_UCSC Agriculture, Foot traffic/trampling, Grazing, ORV activity, Over-collecting/poaching, Recreational use (non-ORV) Meadows and seeps, Riparian forest Mesic 1100 2300 3610 7545 Yes 1974-01-01
No Photo Available
Stellaria longifolia long-leaved starwort Caryophyllaceae perennial rhizomatous herb May-Aug None None G5 S2 2B.2 Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Logging, Road/trail construction/maint., Waterway bank protection/maintenance Bogs and fens, Meadows and seeps (mesic), Riparian woodland, Upper montane coniferous forest 900 1830 2955 6005 1994-01-01 Photo of Stellaria longifolia
©2016 Keir Morse
Stylocline citroleum oil neststraw Asteraceae annual herb Mar-Apr None None G3 S3 1B.1 BLM_S Altered flood/tidal/hydrologic regime, Mining, Other, Road/trail construction/maint. Chenopod scrub, Coastal scrub, Valley and foothill grassland Clay 50 400 165 1310 Yes 1994-01-01
No Photo Available
Stylocline masonii Mason's neststraw Asteraceae annual herb Mar-May None None G1 S1 1B.1 BLM_S; USFS_S Dam/Inundation, Development Chenopod scrub, Pinyon and juniper woodland Gravelly, Sandstone, Sandy 100 1200 330 3935 Yes 1994-01-01
No Photo Available
Stylocline sonorensis mesquite neststraw Asteraceae annual herb Apr None None G3G5 SX 2A Development Sonoran desert scrub (sandy) 425 425 1395 1395 1994-01-01
No Photo Available
Viola purpurea ssp. aurea golden violet Violaceae perennial herb Apr-Jun None None G3 S2S3 2B.2 Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland Sandy 1000 2500 3280 8205 1994-01-01
No Photo Available
Viola langsdorffii Langsdorf's violet Violaceae perennial herb May-Jul None None G4G5 S1 2B.1 ORV activity Bogs and fens (coastal) 2 10 5 35 1994-01-01 Photo of Viola langsdorffii
©2018 John Game
Viola palustris alpine marsh violet Violaceae perennial rhizomatous herb Mar-Aug None None G5 S1S2 2B.2 Other, Recreational use (non-ORV) Bogs and fens (coastal), Coastal scrub (mesic) 0 150 0 490 1994-01-01 Photo of Viola palustris
©2021 Scot Loring
Viola pinetorum ssp. grisea grey-leaved violet Violaceae perennial herb Apr-Jul None None G4G5T3? S3 1B.2 BLM_S; SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest 1500 3400 4920 11155 Yes 1994-01-01
No Photo Available
Wislizenia refracta ssp. refracta jackass-clover Cleomaceae annual herb Apr-Nov None None G5T5? S1 2B.2 Development Desert dunes, Mojavean desert scrub, Playas, Sonoran desert scrub 600 800 1970 2625 1994-01-01
No Photo Available
Carex tiogana Tioga Pass sedge Cyperaceae perennial herb Jul-Aug None None G1Q S1 1B.3 USFS_S Foot traffic/trampling Meadows and seeps (lake margins, mesic) 3100 3300 10170 10825 1994-01-01
No Photo Available
Potentilla basaltica Black Rock potentilla Rosaceae perennial herb May-Jun(Jul) None None G2 S1 1B.3 BLM_S; SB_UCSC; USFS_S Foot traffic/trampling, Grazing, Other, Road/trail construction/maint. Meadows and seeps (alkaline, sandy, volcanic) 1360 1555 4460 5100 1994-01-01
No Photo Available
Arctostaphylos rainbowensis Rainbow manzanita Ericaceae perennial evergreen shrub Dec-Mar None None G2G3 S2S3 1B.1 BLM_S; SB_CRES; USFS_S Agriculture, Development, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral 205 670 675 2200 Yes 1994-01-01 Photo of Arctostaphylos rainbowensis
© 2025 Nathan Taylor
Pinus torreyana ssp. insularis Santa Rosa Island Torrey pine Pinaceae perennial evergreen tree None None G1T1 S1 1B.2 IUCN_VU; SB_CalBG/RSABG; SB_USDA Closed-cone coniferous forest 75 150 245 490 Yes 1980-01-01
No Photo Available
Abronia villosa var. aurita chaparral sand-verbena Nyctaginaceae annual herb (Jan)Mar-Sep None None G5T2? S2 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Channelization, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Coastal scrub, Desert dunes Sandy 75 1600 245 5250 2001-01-01 Photo of Abronia villosa var. aurita
© 2011 Aaron E. Sims
Abutilon parvulum dwarf abutilon Malvaceae perennial herb Apr-May None None G5 S2S3 2B.3 Development, Mining, ORV activity Chenopod scrub (rocky) 900 1360 2955 4460 2001-01-01 Photo of Abutilon parvulum
© 2005 James M. Andre
Agave utahensis var. eborispina ivory-spined agave Agavaceae perennial leaf May-Jun None None G4T3 S2 1B.3 BLM_S; SB_CalBG/RSABG Mojavean desert scrub (carbonate, rocky slopes) 945 1370 3100 4495 1980-01-01 Photo of Agave utahensis var. eborispina
© 2011 Zoya Akulova
Ageratina herbacea desert ageratina Asteraceae perennial herb Jul-Oct None None G5 S3 2B.3 Pinyon and juniper woodland (rocky) 1525 2200 5005 7220 2001-01-01 Photo of Ageratina herbacea
© 2012 Richard Spellenberg
Alisma gramineum grass alisma Alismataceae perennial rhizomatous herb (aquatic) Jun-Aug None None G5 S3 2B.2 Foot traffic/trampling, Grazing, Other, Road/trail construction/maint. Marshes and swamps (shallow freshwater) 390 1800 1280 5905 2001-01-01 Photo of Alisma gramineum
© 2016 John Doyen
Allium marvinii Yucaipa onion Alliaceae perennial bulbiferous herb Apr-May None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Biocides, Development, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral (clay, openings) 760 1065 2495 3495 Yes 2001-01-01 Photo of Allium marvinii
© 2013 Keir Morse
Allium peninsulare var. franciscanum Franciscan onion Alliaceae perennial bulbiferous herb (Apr)May-Jun None None G4G5T2 S2 1B.2 SB_CalBG/RSABG Development, Foot traffic/trampling, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland, Valley and foothill grassland Clay, Serpentine (often), Volcanic 52 305 170 1000 Yes 2001-01-01 Photo of Allium peninsulare var. franciscanum
© 2019 Aaron Arthur
Amorpha californica var. napensis Napa false indigo Fabaceae perennial deciduous shrub Apr-Jul None None G4T2 S2 1B.2 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disease, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Logging, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest (openings), Chaparral, Cismontane woodland 50 2000 165 6560 Yes 2001-01-01 Photo of Amorpha californica var. napensis
© 2016 John Doyen
Arenaria lanuginosa var. saxosa rock sandwort Caryophyllaceae perennial herb Jul-Aug None None G5T5 S2 2B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Over-collecting/poaching, Recreational use (non-ORV) Subalpine coniferous forest, Upper montane coniferous forest Mesic, Sandy 1455 2600 4775 8530 2001-01-01 Photo of Arenaria lanuginosa var. saxosa
© 2015 Keir Morse
Asclepias nyctaginifolia Mojave milkweed Apocynaceae perennial herb May-Jun None None G4? S2 2B.1 Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Mojavean desert scrub, Pinyon and juniper woodland 875 1700 2870 5580 2001-01-01 Photo of Asclepias nyctaginifolia
© 2012 Duncan S. Bell
Astragalus cimae var. sufflatus inflated Cima milk-vetch Fabaceae perennial herb Apr-Jun None None G3T3 S3 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland Carbonate, Rocky 1500 2075 4920 6810 Yes 1974-01-01 Photo of Astragalus cimae var. sufflatus
© 2009 Steve Matson
Astragalus didymocarpus var. milesianus Miles' milk-vetch Fabaceae annual herb Mar-Jun None None G5T2 S2 1B.2 Development Coastal scrub (clay) 20 90 65 295 Yes 2001-01-01
No Photo Available
Astragalus lemmonii Lemmon's milk-vetch Fabaceae perennial herb May-Aug(Sep) None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Development, Grazing, Insufficient population/stand size, Non-native plant impacts, Road/trail construction/maint. Great Basin scrub, Marshes and swamps (lake margins), Meadows and seeps 1007 2200 3305 7220 2001-01-01 Photo of Astragalus lemmonii
©2008 Steve Matson
Astragalus pycnostachyus var. pycnostachyus coastal marsh milk-vetch Fabaceae perennial herb (Apr-May)Jun-Oct None None G2T2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_SBBG; SB_UCBG Altered flood/tidal/hydrologic regime, Degraded water quality, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Waterway bank protection/maintenance, Wood cutting or brush clearing Coastal dunes (mesic), Coastal scrub, Marshes and swamps (coastal salt, streamsides) 0 55 0 180 Yes 2001-01-01 Photo of Astragalus pycnostachyus var. pycnostachyus
Neal Kramer
Atriplex argentea var. hillmanii Hillman's silverscale Chenopodiaceae annual herb Jun-Sep None None G5T3 S1S2 2B.2 Great Basin scrub, Meadows and seeps Alkaline 1200 1700 3935 5580 2001-01-01
No Photo Available
Atriplex cordulata var. erecticaulis Earlimart orache Chenopodiaceae annual herb Aug-Sep(Nov) None None GNRT1 S1 1B.2 BLM_S Agriculture, Development, Disking, Erosion/runoff, Grazing, Landfill, Non-native plant impacts, Other, Road/trail construction/maint. Valley and foothill grassland 40 100 130 330 Yes 2001-01-01 Photo of Atriplex cordulata var. erecticaulis
© 2009 Robert E. Preston, Ph.D.
Atriplex gardneri var. falcata falcate saltbush Chenopodiaceae perennial herb May-Aug None None G4T4Q S2S3 2B.2 Grazing, Other Chenopod scrub, Great Basin scrub Alkaline (often) 1200 1700 3935 5580 2001-01-01
No Photo Available
Atriplex persistens vernal pool smallscale Chenopodiaceae annual herb Jun-Oct None None G2 S2 1B.2 Agriculture, Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Grazing, Non-native plant impacts, Pollution Vernal pools (alkaline) 10 115 35 375 Yes 2001-01-01
No Photo Available
Atriplex subtilis subtle orache Chenopodiaceae annual herb (Apr)Jun-Sep(Oct) None None G1 S1 1B.2 BLM_S Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Landfill, Mining Valley and foothill grassland Alkaline 40 100 130 330 Yes 1994-01-01 Photo of Atriplex subtilis
© 2000 Robert E. Preston, Ph.D.
Baccharis malibuensis Malibu baccharis Asteraceae perennial deciduous shrub Aug None None G1 S1 1B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland 150 305 490 1000 Yes 2001-01-01
No Photo Available
Balsamorhiza serrata serrated balsamroot Asteraceae perennial herb May-Jun None None G5 S2 2B.3 Grazing, Improper burning regime Great Basin scrub (rocky) 1400 1765 4595 5790 2001-01-01
No Photo Available
Betula glandulosa dwarf resin birch Betulaceae perennial deciduous shrub May-Jul None None G5 S2 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Dam/Inundation, Foot traffic/trampling, Grazing, Recreational use (non-ORV), Surface water diversion Bogs and fens, Lower montane coniferous forest, Marshes and swamps, Meadows and seeps, Subalpine coniferous forest Mesic 1300 2300 4265 7545 2001-01-01 Photo of Betula glandulosa
© 2015 Dean Wm. Taylor
Botrychium lineare slender moonwort Ophioglossaceae perennial herb Unk None None G3 S1 1B.1 USFS_S Foot traffic/trampling, Road/trail construction/maint. Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest (often disturbed areas) 2560 2600 8400 8530 2001-01-01
No Photo Available
Botrypus virginianus rattlesnake fern Ophioglossaceae perennial herb Jun-Sep None None G5 S2 2B.2 Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Insufficient population/stand size, Logging, Other, Road/trail construction/maint. Bogs and fens, Lower montane coniferous forest (mesic), Meadows and seeps, Riparian forest Streambanks 715 1355 2345 4445 2001-01-01 Photo of Botrypus virginianus
©2003 Martin J. Lenz
Brodiaea leptandra narrow-anthered brodiaea Themidaceae perennial bulbiferous herb May-Jul None None G3? S3? 1B.2 SB_CalBG/RSABG Agriculture, Development, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Over-collecting/poaching, Road/trail construction/maint., Surface water diversion, Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland Volcanic 110 915 360 3000 Yes 2001-01-01 Photo of Brodiaea leptandra
© 2018 Zoya Akulova
Calochortus syntrophus Callahan's mariposa-lily Liliaceae perennial bulbiferous herb May-Jun None None G2 S2 1B.1 SB_UCSC Logging, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland (vernally mesic) 525 1145 1725 3755 Yes 2001-01-01 Photo of Calochortus syntrophus
©2018 Julie Kierstead Nelson
Calystegia purpurata ssp. saxicola coastal bluff morning-glory Convolvulaceae perennial herb (Mar)Apr-Sep None None G4T2T3 S2S3 1B.2 BLM_S; SB_UCSC Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub, Coastal dunes, Coastal scrub, North Coast coniferous forest 0 105 0 345 Yes 2001-01-01
No Photo Available
Chylismia arenaria sand evening-primrose Onagraceae annual/perennial herb Nov-May None None G4? S2S3 2B.2 Agriculture, Erosion/runoff Sonoran desert scrub (sandy, rocky) -70 915 -230 3000 2001-01-01
No Photo Available
Eremothera boothii ssp. intermedia Booth's hairy evening-primrose Onagraceae annual herb (May)Jun None None G5T3T4 S3 2B.3 Great Basin scrub (sandy), Pinyon and juniper woodland 1500 2150 4920 7055 2001-01-01
No Photo Available
Chylismia claviformis ssp. cruciformis cruciform evening-primrose Onagraceae annual herb May-Jul None None G5T4 S2 2B.3 Grazing, Other, Road/trail construction/maint. Chenopod scrub, Great Basin scrub Clay 600 1400 1970 4595 2001-01-01
No Photo Available
Carex arcta northern clustered sedge Cyperaceae perennial herb Jun-Sep None None G5 S1 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Logging, Other, Road/trail construction/maint. Bogs and fens, North Coast coniferous forest (mesic) 60 1400 195 4595 2001-01-01 Photo of Carex arcta
© 2006 Dean Wm. Taylor
Carex atherodes wheat sedge Cyperaceae perennial rhizomatous herb Jun-Aug None None G5 S3 2B.2 IUCN_LC Grazing, Other, Road/trail construction/maint., Waterway bank protection/maintenance Marshes and swamps, Meadows and seeps, Pinyon and juniper woodland Mesic 1300 1540 4265 5055 2001-01-01 Photo of Carex atherodes
©2015 Dean Wm. Taylor
Carex lyngbyei Lyngbye's sedge Cyperaceae perennial rhizomatous herb Apr-Aug None None G5 S3 2B.2 IUCN_LC Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other Marshes and swamps (brackish, freshwater) 0 10 0 35 2001-01-01 Photo of Carex lyngbyei
©2017 Steve Matson
Carex occidentalis western sedge Cyperaceae perennial rhizomatous herb Jun-Aug None None G4 S3 2B.3 SB_CalBG/RSABG Lower montane coniferous forest, Meadows and seeps 1645 3135 5395 10285 2001-01-01
No Photo Available
Carex saliniformis deceiving sedge Cyperaceae perennial rhizomatous herb (May)Jun(Jul) None None G2 S2 1B.2 BLM_S Development, Grazing, Other Coastal prairie, Coastal scrub, Marshes and swamps (coastal salt), Meadows and seeps Mesic 3 230 10 755 Yes 2001-01-01 Photo of Carex saliniformis
©2003 Steve Matson
Carex scirpoidea ssp. pseudoscirpoidea western single-spiked sedge Cyperaceae perennial rhizomatous herb Jul-Sep None None G5T5 S2 2B.2 ORV activity Alpine boulder and rock field, Meadows and seeps, Subalpine coniferous forest (rocky) Carbonate (often), Mesic 2990 3700 9810 12140 2001-01-01
No Photo Available
Carex serpenticola serpentine sedge Cyperaceae perennial rhizomatous herb Mar-May None None G4 S2 2B.3 Meadows and seeps (mesic, serpentine) 60 1200 195 3935 2001-01-01 Photo of Carex serpenticola
©2005 Norman Jensen
Carex vallicola western valley sedge Cyperaceae perennial rhizomatous herb Jul-Aug None None G4G5 S2 2B.3 Grazing Great Basin scrub, Meadows and seeps Mesic 1525 2805 5005 9205 2001-01-01
No Photo Available
Carex viridula ssp. viridula green yellow sedge Cyperaceae perennial herb (Jun)Jul-Sep(Nov) None None G5T5 S2 2B.3 Altered flood/tidal/hydrologic regime, Non-native plant impacts Bogs and fens, Marshes and swamps (freshwater), North Coast coniferous forest (mesic) 0 1600 0 5250 2001-01-01 Photo of Carex viridula ssp. viridula
© 2015 Dana York
Castilleja litoralis Oregon coast paintbrush Orobanchaceae perennial herb (hemiparasitic) Jun None None G3 S2S3 2B.2 Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub, Coastal dunes, Coastal scrub Sandy 15 100 50 330 2001-01-01 Photo of Castilleja litoralis
©2010 Dana York
Castilleja densiflora var. obispoensis San Luis Obispo owl's-clover Orobanchaceae annual herb (hemiparasitic) Mar-May None None G5T2 S2 1B.2 BLM_S; SB_SBBG Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Military operations, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Meadows and seeps, Valley and foothill grassland Serpentine (sometimes) 10 430 35 1410 Yes 2001-01-01 Photo of Castilleja densiflora var. obispoensis
© 2010 Aaron E. Sims
Castilleja rubicundula var. rubicundula pink creamsacs Orobanchaceae annual herb (hemiparasitic) Apr-Jun None None G5T2 S2 1B.2 BLM_S; SB_UCSC Agriculture, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (openings), Cismontane woodland, Meadows and seeps, Valley and foothill grassland Serpentine 20 910 65 2985 Yes 2001-01-01 Photo of Castilleja rubicundula var. rubicundula
©2010 Vernon Smith
Caulanthus lemmonii Lemmon's jewelflower Brassicaceae annual herb Feb-May None None G3 S3 1B.2 BLM_S; SB_SBBG; USFS_S Dam/Inundation, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Road/trail construction/maint. Pinyon and juniper woodland, Valley and foothill grassland 80 1580 260 5185 Yes 2001-01-01
No Photo Available
Ceanothus otayensis Otay Mountain ceanothus Rhamnaceae perennial evergreen shrub Jan-Apr None None G1G2 S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES Foot traffic/trampling, Improper burning regime, Other, Road/trail construction/maint. Chaparral (gabbroic, metavolcanic) 600 1100 1970 3610 2001-01-01
No Photo Available
Chaenactis glabriuscula var. orcuttiana Orcutt's pincushion Asteraceae annual herb Jan-Aug None None G5T1 S1 1B.1 BLM_S; SB_CalBG/RSABG; SB_CRES Development, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Coastal bluff scrub (sandy), Coastal dunes 0 100 0 330 2001-01-01
No Photo Available
Chaetadelpha wheeleri Wheeler's dune-broom Asteraceae perennial rhizomatous herb Apr-Sep None None G4 S2 2B.2 Development, Non-native plant impacts, ORV activity Desert dunes, Great Basin scrub, Mojavean desert scrub Sandy 795 1900 2610 6235 2001-01-01
No Photo Available
Euphorbia abramsiana Abrams' spurge Euphorbiaceae annual herb (Aug)Sep-Nov None None G4 S2 2B.2 SB_CalBG/RSABG Agriculture, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint. Mojavean desert scrub, Sonoran desert scrub Sandy -5 1310 -15 4300 2001-01-01
No Photo Available
Euphorbia parryi Parry's spurge Euphorbiaceae annual herb May-Nov None None G5 S1 2B.3 Desert dunes, Mojavean desert scrub (sandy) 395 730 1295 2395 2001-01-01
No Photo Available
Chrysothamnus greenei Greene's rabbitbrush Asteraceae perennial deciduous shrub Oct None None G5 S3? 2B.3 Grazing, Non-native plant impacts, Other Chenopod scrub (sandy, rocky) 145 1830 475 6005 2001-01-01
No Photo Available
Cinna bolanderi Bolander's woodreed Poaceae perennial herb Jul-Sep None None G2G3 S2S3 1B.2 USFS_S Foot traffic/trampling, Grazing, Logging, Surface water diversion, Vandalism/dumping/litter Meadows and seeps, Upper montane coniferous forest Mesic, Streambanks 1670 2440 5480 8005 Yes 2001-01-01
No Photo Available
Cirsium praeteriens lost thistle Asteraceae perennial herb Jun-Jul None None GX SX 1A 0 100 0 330 Yes 2001-01-01
No Photo Available
Cleomella hillmanii var. hillmanii Hillman's cleomella Cleomaceae annual herb Apr-Jun None None G4G5T4T5 S1 2B.2 Other Chenopod scrub, Great Basin scrub Clay 1220 1220 4005 4005 2001-01-01
No Photo Available
Cryptantha incana Tulare cryptantha Boraginaceae annual herb Jun-Aug None None G2 S2 1B.3 SB_CalBG/RSABG; USFS_S Lower montane coniferous forest (gravelly, rocky) 1430 2150 4690 7055 Yes 1974-01-01
No Photo Available
Deinandra bacigalupii Livermore tarplant Asteraceae annual herb Jun-Oct None CE G1 S1 1B.1 SB_UCBG Agriculture, Biocides, Development, Disking, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Vandalism/dumping/litter Meadows and seeps (alkaline) 150 185 490 605 Yes 2001-01-01
No Photo Available
Downingia laeta Great Basin downingia Campanulaceae annual herb May-Jul None None G5 S3 2B.2 IUCN_LC Grazing Great Basin scrub (mesic), Marshes and swamps (shallow freshwater), Meadows and seeps, Pinyon and juniper woodland (mesic), Vernal pools 1220 2200 4005 7220 2001-01-01
No Photo Available
Draba saxosa Southern California rock draba Brassicaceae perennial herb Jun-Sep None None G2G3 S2S3 1B.3 SB_CalBG/RSABG; USFS_S Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest Rocky 2440 3600 8005 11810 Yes 2001-01-01
No Photo Available
Draba lonchocarpa spear-fruited draba Brassicaceae perennial herb Jun-Jul None None G5 S2S3 2B.3 Other Alpine boulder and rock field (carbonate, scree) 3000 3295 9845 10810 2001-01-01
No Photo Available
Draba praealta tall draba Brassicaceae perennial herb Jul-Aug None None G5 S3 2B.3 SB_CalBG/RSABG Meadows and seeps (mesic) 2500 3415 8205 11205 2001-01-01
No Photo Available
Dudleya cymosa ssp. agourensis Agoura Hills dudleya Crassulaceae perennial herb May-Jun FT None G5T1 S1 1B.2 SB_CalBG/RSABG; SB_SBBG Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland Rocky, Volcanic 200 500 655 1640 Yes 1980-01-01 Photo of Dudleya cymosa ssp. agourensis
© 2013 Adam Searcy
Dudleya gnoma munchkin dudleya Crassulaceae perennial herb May None None G1 S1 1B.1 Erosion/runoff, Foot traffic/trampling, Grazing Coastal bluff scrub (gravelly, volcanic) 20 70 65 230 Yes 2001-01-01 Photo of Dudleya gnoma
John Game
Dudleya virens ssp. insularis island green dudleya Crassulaceae perennial herb Apr-Jun None None G3?T3 S3 1B.2 Development, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV) Coastal bluff scrub, Coastal scrub Rocky 5 300 15 985 Yes 2001-01-01
No Photo Available
Epilobium palustre marsh willowherb Onagraceae perennial rhizomatous herb Jul-Sep None None G5 S2 2B.3 IUCN_LC Bogs and fens, Meadows and seeps (mesic) 1285 2345 4215 7695 2001-01-01
No Photo Available
Erigeron compactus compact daisy Asteraceae perennial herb May-Jul None None G3 S3 2B.3 Development Pinyon and juniper woodland (carbonate, gravelly, rocky) 1300 2900 4265 9515 2001-01-01
No Photo Available
Erigeron eatonii var. nevadincola Nevada daisy Asteraceae perennial herb May-Jul None None G5T4 S2S3 2B.3 Development, Grazing, ORV activity, Other, Road/trail construction/maint. Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland Rocky 1400 2900 4595 9515 2001-01-01
No Photo Available
Erigeron utahensis Utah daisy Asteraceae perennial herb May-Jun None None G4 S2 2B.3 Pinyon and juniper woodland (carbonate) 1500 2320 4920 7610 2001-01-01
No Photo Available
Erythronium taylorii Pilot Ridge fawn lily Liliaceae perennial bulbiferous herb Apr-May None None G1 S1 1B.2 SB_SBBG; USFS_S Improper burning regime, Over-collecting/poaching, Recreational use (non-ORV) Lower montane coniferous forest (metamorphic, rocky) 1340 1400 4395 4595 Yes 2001-01-01
No Photo Available
Festuca minutiflora small-flowered fescue Poaceae perennial herb Jul None None G5 S2 2B.3 Mining, ORV activity, Recreational use (non-ORV) Alpine boulder and rock field 3200 4050 10500 13290 2001-01-01
No Photo Available
Gilia capitata ssp. chamissonis blue coast gilia Polemoniaceae annual herb Apr-Jul None None G5T2 S2 1B.1 SB_UCBG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Road/trail construction/maint. Coastal dunes, Coastal scrub 2 200 5 655 Yes 2001-01-01 Photo of Gilia capitata ssp. chamissonis
© 2017 John Doyen
Gilia capitata ssp. pacifica Pacific gilia Polemoniaceae annual herb Apr-Aug None None G5T3 S3 1B.2 BLM_S; SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (openings), Coastal bluff scrub, Coastal prairie, Valley and foothill grassland 5 1665 15 5465 2001-01-01 Photo of Gilia capitata ssp. pacifica
© 2016 Steve Matson
Gilia capitata ssp. tomentosa woolly-headed gilia Polemoniaceae annual herb May-Jul None None G5T2 S2 1B.1 SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint. Coastal bluff scrub, Valley and foothill grassland Rocky, Serpentine 10 220 35 720 Yes 2001-01-01 Photo of Gilia capitata ssp. tomentosa
© 2008 Vernon Smith
Gilia leptantha ssp. leptantha San Bernardino gilia Polemoniaceae annual herb Jun-Aug None None G4T2 S2 1B.3 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest (gravelly, sandy) 1500 2560 4920 8400 Yes 2001-01-01 Photo of Gilia leptantha ssp. leptantha
© 2016 Steven Thorsted
Gilia millefoliata dark-eyed gilia Polemoniaceae annual herb Apr-Jul None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV) Coastal dunes 2 30 5 100 2001-01-01 Photo of Gilia millefoliata
© 2017 John Doyen
Gilia yorkii Monarch gilia Polemoniaceae annual herb May-Jul None None G2 S2 1B.1 USFS_S Non-native plant impacts Chaparral, Cismontane woodland Carbonate 1290 1830 4230 6005 Yes 2001-01-01 Photo of Gilia yorkii
© 2012 Gary A. Monroe
Githopsis tenella delicate bluecup Campanulaceae annual herb Apr-Jun None None G2 S2 1B.3 BLM_S Chaparral, Cismontane woodland Mesic, Serpentine 325 1900 1065 6235 Yes 2001-01-01
No Photo Available
Heterotheca monarchensis Monarch golden-aster Asteraceae perennial herb May-Oct None None G2 S2 1B.1 USFS_S Non-native plant impacts Cismontane woodland (carbonate) 1095 1850 3595 6070 Yes 2001-01-01
No Photo Available
Hoita strobilina Loma Prieta hoita Fabaceae perennial herb May-Jul(Aug-Oct) None None G2? S2? 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Riparian woodland Mesic, Serpentine (usually) 30 860 100 2820 Yes 2001-01-01 Photo of Hoita strobilina
© 2004 Janell Hillman
Horkelia cuneata var. puberula mesa horkelia Rosaceae perennial herb Feb-Jul(Sep) None None G4T1 S1 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Development, Landfill, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland, Coastal scrub Gravelly (sometimes), Sandy (sometimes) 70 810 230 2660 Yes 2001-01-01 Photo of Horkelia cuneata var. puberula
© 2008 Tony Morosco
Hulsea nana little hulsea Asteraceae perennial herb Jul-Aug None None G4 S3 2B.3 SB_CalBG/RSABG Alpine boulder and rock field, Subalpine coniferous forest Gravelly (sometimes), Rocky (sometimes), Volcanic 1720 3355 5645 11010 2001-01-01 Photo of Hulsea nana
©2018 Matt C. Berger
Hulsea vestita ssp. pygmaea pygmy hulsea Asteraceae perennial herb Jun-Oct None None G5T1 S1 1B.3 USFS_S Foot traffic/trampling, Recreational use (non-ORV) Alpine boulder and rock field, Subalpine coniferous forest Granitic, Gravelly 2835 3900 9300 12795 Yes 2001-01-01 Photo of Hulsea vestita ssp. pygmaea
© 2012 Duncan S. Bell
Hymenopappus filifolius var. nanus little cutleaf Asteraceae perennial herb May-Sep None None G5T4 S3 2B.3 Pinyon and juniper woodland, Subalpine coniferous forest Carbonate 1500 3050 4920 10005 2001-01-01 Photo of Hymenopappus filifolius var. nanus
© 2012 Dylan Neubauer
Hymenoxys lemmonii alkali hymenoxys Asteraceae perennial herb (May)Jun-Aug(Sep) None None G4 S2S3 2B.2 Great Basin scrub, Lower montane coniferous forest, Meadows and seeps (subalkaline) 240 3390 785 11125 2001-01-01 Photo of Hymenoxys lemmonii
© 2006 Steve Matson
Lomatium observatorium Mt. Hamilton lomatium Apiaceae perennial herb Mar-May None None G1 S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_UCSC Foot traffic/trampling, Other, Road/trail construction/maint. Cismontane woodland 1219 1330 4000 4365 Yes 2001-01-01
No Photo Available
Lonicera subspicata var. subspicata Santa Barbara honeysuckle Caprifoliaceae perennial evergreen shrub (Feb)May-Aug(Dec) None None G5T2? S2? 1B.2 SB_SBBG; USFS_S Agriculture, Development, Erosion/runoff, Landfill, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub 10 1000 35 3280 Yes 2001-01-01
No Photo Available
Lupinus elmeri South Fork Mountain lupine Fabaceae perennial herb Jun-Jul(Aug) None None G2 S2 1B.2 SB_CalBG/RSABG Grazing, Logging, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest 1218 2000 3995 6560 Yes 2001-01-01 Photo of Lupinus elmeri
©2017 Belinda Lo
Lupinus pusillus var. intermontanus intermontane lupine Fabaceae annual herb May-Jun None None G5T5? S2 2B.3 Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Great Basin scrub (sandy) 1220 2060 4005 6760 2001-01-01
No Photo Available
Lupinus uncialis lilliput lupine Fabaceae annual herb May-Jul None None G4 S2 2B.2 BLM_S Development, Grazing, ORV activity, Other, Road/trail construction/maint. Great Basin scrub, Pinyon and juniper woodland Gravelly, Volcanic 1300 1600 4265 5250 2001-01-01
No Photo Available
Malacothrix foliosa ssp. crispifolia wavy-leaved malacothrix Asteraceae annual herb Mar-May(Jul) None None G4T1 S1 1B.2 Coastal scrub (rocky) 3 65 10 215 Yes 2001-01-01
No Photo Available
Malacothrix foliosa ssp. philbrickii Philbrick's malacothrix Asteraceae annual herb Mar-Jun None None G4T1 S1 1B.2 Coastal scrub 60 100 195 330 Yes 2001-01-01
No Photo Available
Malacothrix junakii Junak's malcothrix Asteraceae annual herb Apr-Jun None None G1 S1 1B.1 Coastal scrub 20 25 65 80 Yes 2001-01-01
No Photo Available
Meconella oregana Oregon meconella Papaveraceae annual herb Mar-Apr None None G2 S2 1B.1 SB_CalBG/RSABG Coastal prairie, Coastal scrub 250 620 820 2035 1974-01-01 Photo of Meconella oregana
© 2021 Scot Loring
Mentzelia torreyi Torrey's blazing star Loasaceae perennial herb Jun-Aug None None G4 S2 2B.2 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts Great Basin scrub, Mojavean desert scrub, Pinyon and juniper woodland Alkaline, Rocky, Sandy, Volcanic (usually) 1170 2835 3840 9300 2001-01-01
No Photo Available
Mentzelia tridentata creamy blazing star Loasaceae annual herb Mar-May None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG Development, Grazing, Military operations, Mining, ORV activity Mojavean desert scrub Gravelly, Rocky, Sandy 700 1175 2295 3855 Yes 2001-01-01
No Photo Available
Mertensia cusickii Toiyabe bluebells Boraginaceae perennial herb Jun-Jul None None G4? S2 2B.2 Great Basin scrub, Meadows and seeps 1495 2500 4905 8205 2001-01-01
No Photo Available
Mertensia longiflora long bluebells Boraginaceae perennial herb Apr-Jun None None G4? S2 2B.2 Grazing, Logging Great Basin scrub, Lower montane coniferous forest 1525 2200 5005 7220 2001-01-01 Photo of Mertensia longiflora
© 2017 Thayne Tuason
Mertensia oblongifolia var. amoena beautiful sagebrush bluebells Boraginaceae perennial herb Apr-Jul None None G5T5 S2 2B.2 Foot traffic/trampling, Recreational use (non-ORV) Great Basin scrub, Meadows and seeps 1630 2315 5350 7595 2001-01-01
No Photo Available
Mertensia oblongifolia var. oblongifolia sagebrush bluebells Boraginaceae perennial herb Apr-Jul None None G5T5 S3 2B.2 Grazing, Logging Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Subalpine coniferous forest Mesic (usually) 1000 3000 3280 9845 2001-01-01
No Photo Available
Microseris paludosa marsh microseris Asteraceae perennial herb Apr-Jun(Jul) None None G2 S2 1B.2 BLM_S; SB_SBBG; SB_UCSC Development, Grazing, Non-native plant impacts Cismontane woodland, Closed-cone coniferous forest, Coastal scrub, Valley and foothill grassland 5 355 15 1165 Yes 2001-01-01
No Photo Available
Diplacus cusickioides Cusick's monkeyflower Phrymaceae annual herb May-Aug None None G4G5 S2 2B.3 Altered flood/tidal/hydrologic regime, Grazing Great Basin scrub, Lower montane coniferous forest Gravelly, Roadsides, Scree, Volcanic 600 1830 1970 6005 2001-01-01
No Photo Available
Erythranthe inflatula ephemeral monkeyflower Phrymaceae annual herb May-Aug None None G3 S2 1B.2 BLM_S; USFS_S Foot traffic/trampling, Grazing, Insufficient population/stand size, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland Gravelly (sometimes), Rocky (sometimes), Vernally Mesic 1250 1740 4100 5710 2001-01-01 Photo of Erythranthe inflatula
© 2020 Dean Wm. Taylor
Diplacus parryi Parry's monkeyflower Phrymaceae annual herb May-Jul None None G4G5 S3 2B.3 Great Basin scrub 1200 2600 3935 8530 2001-01-01
No Photo Available
Mirabilis coccinea red four o'clock Nyctaginaceae perennial herb May-Jul None None G4G5 S2 2B.3 SB_CalBG/RSABG Development, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Vandalism/dumping/litter Pinyon and juniper woodland 1070 1800 3510 5905 2001-01-01
No Photo Available
Monarda pectinata plains bee balm Lamiaceae annual herb Jul-Sep None None G5 SH 2B.3 Joshua tree "woodland", Pinyon and juniper woodland Rocky 1150 1525 3775 5005 2001-01-01 Photo of Monarda pectinata
© 2013 Trent M. Draper
Moneses uniflora woodnymph Ericaceae perennial rhizomatous herb May-Aug None None G5 S2 2B.2 Road/trail construction/maint. Broadleafed upland forest, North Coast coniferous forest 100 1100 330 3610 2001-01-01 Photo of Moneses uniflora
©2021 Scot Loring
Navarretia myersii ssp. deminuta small pincushion navarretia Polemoniaceae annual herb Apr-May None None G2T1 S1 1B.1 Development Vernal pools (clay, loam) 355 355 1165 1165 Yes 2001-01-01 Photo of Navarretia myersii ssp. deminuta
© 2020 Leigh Johnson
Navarretia prostrata prostrate vernal pool navarretia Polemoniaceae annual herb Apr-Jul None None G2 S2 1B.2 BLM_S Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Coastal scrub, Meadows and seeps, Valley and foothill grassland (alkaline), Vernal pools Mesic 3 1210 10 3970 Yes 2001-01-01
No Photo Available
Nemophila breviflora Great Basin nemophila Hydrophyllaceae annual herb May-Jul None None G4G5 S3 2B.3 Grazing, Logging, Mining, Non-native plant impacts, Recreational use (non-ORV) Great Basin scrub, Meadows and seeps, Upper montane coniferous forest Mesic 1220 2410 4005 7905 2001-01-01 Photo of Nemophila breviflora
©2013 Trent M. Draper
Nolina cismontana chaparral nolina Ruscaceae perennial evergreen shrub (Mar)May-Jul None None G3 S3 1B.2 SB_CalBG/RSABG; SB_SBBG; USFS_S Development, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Coastal scrub Gabbroic (sometimes), Sandstone (sometimes) 140 1275 460 4185 Yes 2001-01-01 Photo of Nolina cismontana
© 2005 Santa Monica Mountains National Recreation Area
Oreostemma elatum tall alpine-aster Asteraceae perennial herb Jun-Aug None None G2 S2 1B.2 BLM_S; SB_UCSC; USFS_S Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, Road/trail construction/maint., Wood cutting or brush clearing Bogs and fens, Meadows and seeps, Upper montane coniferous forest Mesic 1005 2100 3295 6890 Yes 2001-01-01
No Photo Available
Stipa exigua little ricegrass Poaceae perennial herb Jun-Aug None None G4G5 S2 2B.3 BLM_S Grazing Great Basin scrub 2345 2420 7695 7940 2001-01-01 Photo of Stipa exigua
©2011 Steve Matson
Osmorhiza depauperata blunt-fruited sweet-cicely Apiaceae perennial herb May-Jul None None G5 S1 2B.3 Lower montane coniferous forest 1830 1850 6005 6070 2001-01-01 Photo of Osmorhiza depauperata
©2019 John Doyen
Oxytropis oreophila var. oreophila rock-loving oxytrope Fabaceae perennial herb Jun-Sep None None G5T4T5 S2 2B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Recreational use (non-ORV) Alpine boulder and rock field, Subalpine coniferous forest Gravelly (sometimes), Rocky (sometimes) 3400 3800 11155 12470 2001-01-01
No Photo Available
Parnassia cirrata var. cirrata San Bernardino grass-of-Parnassus Parnassiaceae perennial herb Aug-Sep None None G5T2 S2 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Mining, Recreational use (non-ORV) Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Mesic, Streambanks 1250 2440 4100 8005 Yes 2001-01-01
No Photo Available
Pediomelum castoreum Beaver Dam breadroot Fabaceae perennial herb Apr-May None None G3 S2 1B.2 BLM_S; SB_CalBG/RSABG Joshua tree "woodland", Mojavean desert scrub Roadsides, Sandy, Washes 610 1525 2000 5005 2001-01-01
No Photo Available
Penstemon bicolor ssp. roseus rosy two-toned beardtongue Plantaginaceae perennial herb May None None G3T3Q S1 1B.1 BLM_S; SB_CalBG/RSABG Development, Grazing, Mining, Non-native animal impacts, ORV activity Joshua tree "woodland", Mojavean desert scrub Disturbed areas (sometimes), Gravelly (sometimes), Rocky (sometimes) 700 1500 2295 4920 2001-01-01 Photo of Penstemon bicolor ssp. roseus
James M. Andre 2010
Penstemon janishiae Janish's beardtongue Plantaginaceae perennial herb May-Jul None None G4 S1 2B.2 BLM_S Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland Gravelly, Volcanic 1065 2350 3495 7710 2001-01-01 Photo of Penstemon janishiae
Christopher L. Christie 2005
Penstemon thompsoniae Thompson's beardtongue Plantaginaceae perennial herb May-Jun None None G4 S1 2B.3 SB_CalBG/RSABG Recreational use (non-ORV) Pinyon and juniper woodland (gravelly, carbonate) 1500 2700 4920 8860 2001-01-01
No Photo Available
Penstemon utahensis Utah beardtongue Plantaginaceae perennial herb Apr-May None None G4 S2 2B.3 Grazing, Mining Chenopod scrub, Great Basin scrub, Mojavean desert scrub, Pinyon and juniper woodland Rocky 1065 2500 3495 8205 2001-01-01
No Photo Available
Petrophytum caespitosum ssp. acuminatum marble rockmat Rosaceae perennial evergreen shrub Aug-Sep None None G5T2 S2 1B.3 SB_CalBG/RSABG; USFS_S Other Lower montane coniferous forest, Upper montane coniferous forest Carbonate (sometimes), Granitic (sometimes), Rocky 1015 2300 3330 7545 Yes 2001-01-01
No Photo Available
Phacelia coerulea sky-blue phacelia Hydrophyllaceae annual herb Apr-May None None G5 S2 2B.3 Mojavean desert scrub, Pinyon and juniper woodland 1400 2000 4595 6560 2001-01-01
No Photo Available
Phacelia gymnoclada naked-stemmed phacelia Hydrophyllaceae annual herb Apr-Jun(Aug) None None G4 S2 2B.3 Chenopod scrub, Great Basin scrub, Pinyon and juniper woodland Clay (sometimes), Gravelly (sometimes) 1220 2500 4005 8205 2001-01-01
No Photo Available
Phacelia perityloides var. jaegeri Jaeger's phacelia Hydrophyllaceae perennial herb May-Jul None None G4T2 S2 1B.3 BLM_S Pinyon and juniper woodland (often carbonate, rocky) 1830 2345 6005 7695 2001-01-01
No Photo Available
Physaria chambersii Chambers' physaria Brassicaceae perennial herb Apr-May None None G5 S3 2B.3 SB_CalBG/RSABG Grazing, Non-native animal impacts Pinyon and juniper woodland (carbonate, rocky) 1500 2590 4920 8500 2001-01-01
No Photo Available
Physocarpus alternans Nevada ninebark Rosaceae perennial deciduous shrub Jun-Jul None None G4 S3 2B.3 Non-native plant impacts Pinyon and juniper woodland (carbonate, rocky) 1800 3100 5905 10170 2001-01-01
No Photo Available
Piperia elegans ssp. decurtata Point Reyes rein orchid Orchidaceae perennial herb Jul-Oct None None G4T1 S1 1B.1 SB_CalBG/RSABG Foot traffic/trampling, Other, Road/trail construction/maint. Coastal bluff scrub, Coastal prairie 15 185 50 605 Yes 2001-01-01
No Photo Available
Plagiobothrys parishii Parish's popcornflower Boraginaceae annual herb Mar-Jun(Nov) None None G1 S1 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Grazing, Non-native plant impacts, ORV activity Great Basin scrub, Joshua tree "woodland" Alkaline, Mesic 750 1400 2460 4595 Yes 2001-01-01
No Photo Available
Plagiobothrys torreyi var. torreyi Yosemite popcornflower Boraginaceae annual herb Apr-Jun None None G4T3Q S3 1B.2 SB_SBBG Foot traffic/trampling, Other, Road/trail construction/maint. Lower montane coniferous forest, Meadows and seeps 1200 1370 3935 4495 Yes 2001-01-01
No Photo Available
Poa lettermanii Letterman's blue grass Poaceae perennial herb Jul-Aug None None G4 S3 2B.3 Alpine boulder and rock field (sandy, rocky) 3500 4265 11485 13995 2001-01-01
No Photo Available
Polyctenium williamsiae Williams' combleaf Brassicaceae perennial herb Mar-Jul None None G2Q S1 1B.2 BLM_S; USFS_S Agriculture, Foot traffic/trampling, Grazing, Mining, Road/trail construction/maint., Surface water diversion Great Basin scrub, Marshes and swamps, Pinyon and juniper woodland, Playas, Vernal pools Lake Margins, Sandy, Volcanic 1347 2700 4420 8860 2001-01-01
No Photo Available
Rhinotropis acanthoclada thorny milkwort Polygalaceae perennial shrub May-Aug None None G4 S2S3 2B.3 Development, Mining, ORV activity Chenopod scrub, Joshua tree "woodland", Pinyon and juniper woodland 760 2285 2495 7495 2001-01-01
No Photo Available
Rhinotropis intermontana intermountain milkwort Polygalaceae perennial shrub Jun-Jul(Oct) None None G4 S1 2B.1 Development, Foot traffic/trampling, ORV activity Pinyon and juniper woodland 2010 3080 6595 10105 2001-01-01 Photo of Rhinotropis intermontana
© 1995 Dean Wm. Taylor
Polygonum hickmanii Scotts Valley polygonum Polygonaceae annual herb May-Aug FE CE G1 S1 1B.1 Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Insufficient population/stand size, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Valley and foothill grassland (mudstone, sandstone) 210 250 690 820 Yes 2001-01-01
No Photo Available
Potentilla pulcherrima beautiful cinquefoil Rosaceae perennial herb Jul None None G5 S1 2B.2 Grazing Great Basin scrub 3010 3010 9875 9875 2001-01-01
No Photo Available
Ladeania lanceolata lance-leaved scurf-pea Fabaceae perennial rhizomatous herb Apr-Aug None None G5 S2S3 2B.2 Development, Grazing, Other Great Basin scrub (sandy) 1220 2500 4005 8205 2001-01-01 Photo of Ladeania lanceolata
Steve Matson
Psorothamnus fremontii var. attenuatus narrow-leaved psorothamnus Fabaceae perennial shrub Apr None None G5T4? S3 2B.3 Development, Mining, Road/trail construction/maint. Sonoran desert scrub (granitic, volcanic) 335 915 1100 3000 2001-01-01
No Photo Available
Schoenus nigricans black bog-rush Cyperaceae perennial herb Aug-Sep None None G4 S2 2B.2 IUCN_LC; USFS_S Groundwater pumping, Non-native plant impacts, ORV activity, Road/trail construction/maint., Surface water diversion Marshes and swamps (often alkaline) 150 2000 490 6560 2001-01-01
No Photo Available
Scirpus pendulus pendulous bulrush Cyperaceae perennial rhizomatous herb Jun-Aug None None G5 S1 2B.2 IUCN_LC Marshes and swamps (freshwater), Meadows and seeps (mesic) 800 1000 2625 3280 2001-01-01 Photo of Scirpus pendulus
Keir Morse (2008)
Sclerocactus johnsonii Johnson's bee-hive cactus Cactaceae perennial stem Apr-May None None G3 S2 2B.2 IUCN_LC; SB_CalBG/RSABG Development, Non-native plant impacts, ORV activity, Over-collecting/poaching, Recreational use (non-ORV), Vandalism/dumping/litter Mojavean desert scrub (granitic) 500 1200 1640 3935 2001-01-01
No Photo Available
Packera bolanderi var. bolanderi seacoast ragwort Asteraceae perennial rhizomatous herb (Jan-Apr)May-Jul(Aug) None None G4T4 S2S3 2B.2 Biocides, Erosion/runoff, Foot traffic/trampling, Logging, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Coastal scrub, North Coast coniferous forest Roadsides (sometimes) 30 650 100 2135 2001-01-01 Photo of Packera bolanderi var. bolanderi
© 2021 Scot Loring
Packera indecora rayless mountain ragwort Asteraceae perennial herb Jul-Aug None None G5 S2? 2B.2 SB_UCSC Meadows and seeps (mesic) 1450 2000 4755 6560 2001-01-01 Photo of Packera indecora
© 2013 Kirsten Bovee
Sibaropsis hammittii Hammitt's clay-cress Brassicaceae annual herb Mar-Apr None None G2 S2 1B.2 SB_CalBG/RSABG; USFS_S Foot traffic/trampling Chaparral (openings), Valley and foothill grassland Clay 720 1065 2360 3495 Yes 2001-01-01
No Photo Available
Sidalcea malviflora ssp. purpurea purple-stemmed checkerbloom Malvaceae perennial rhizomatous herb May-Jun None None G4G5T1 S1 1B.2 BLM_S Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Broadleafed upland forest, Coastal prairie 15 85 50 280 Yes 2001-01-01
No Photo Available
Silene oregana Oregon campion Caryophyllaceae perennial herb Jul-Sep None None G4 S3 2B.2 Foot traffic/trampling, Grazing, Logging, Recreational use (non-ORV), Road/trail construction/maint. Great Basin scrub, Subalpine coniferous forest 1500 2500 4920 8205 2001-01-01 Photo of Silene oregana
©2019 Matt C. Berger
Sisyrinchium funereum Death Valley blue-eyed grass Iridaceae perennial rhizomatous herb Feb-Apr None None G2 S2 1B.3 SB_CalBG/RSABG Foot traffic/trampling, Grazing, Groundwater pumping, Non-native plant impacts, Surface water diversion Meadows and seeps (alkaline) 40 915 130 3000 2001-01-01
No Photo Available
Spergularia canadensis var. occidentalis western sand-spurrey Caryophyllaceae annual herb Jun-Aug None None G5T4 S1 2B.1 Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Recreational use (non-ORV) Marshes and swamps (coastal salt) 0 3 0 10 2001-01-01
No Photo Available
Sphaeralcea grossulariifolia currant-leaved desert mallow Malvaceae perennial herb May-Oct None None G4G5 S2 2B.3 Other Chenopod scrub, Great Basin scrub Volcanic 1200 2100 3935 6890 2001-01-01
No Photo Available
Sphaeralcea munroana Munro's desert mallow Malvaceae perennial herb May-Jun None None G4 S1 2B.2 Great Basin scrub 2000 2000 6560 6560 2001-01-01
No Photo Available
Sphaeromeria potentilloides var. nitrophila alkali tansy-sage Asteraceae perennial herb Jun-Jul None None G3T3 S2 2B.2 Meadows and seeps, Playas Alkaline (usually) 2100 2400 6890 7875 2001-01-01
No Photo Available
Stachys pilosa hairy marsh hedge-nettle Lamiaceae perennial rhizomatous herb Jun-Aug None None G5 S3 2B.3 Non-native plant impacts, Other, Road/trail construction/maint. Great Basin scrub (mesic), Meadows and seeps 1200 1770 3935 5805 2001-01-01 Photo of Stachys pilosa
Keir Morse
Stanleya viridiflora green-flowered prince's plume Brassicaceae perennial herb May-Aug None None G4 S2? 2B.3 Other Great Basin scrub (white ash deposits) 1300 1600 4265 5250 2001-01-01
No Photo Available
Stemodia durantifolia purple stemodia Plantaginaceae perennial herb (Jan)Apr-Dec None None G5 S2 2B.1 SB_CRES Foot traffic/trampling, Improper burning regime, Military operations Sonoran desert scrub (often mesic, sandy) 180 300 590 985 2001-01-01
No Photo Available
Streptanthus hesperidis green jewelflower Brassicaceae annual herb May-Jul None None G2G3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG Chaparral (openings), Cismontane woodland Rocky, Serpentine 130 760 425 2495 Yes 2001-01-01
No Photo Available
Utricularia intermedia flat-leaved bladderwort Lentibulariaceae perennial stoloniferous herb (carnivorous) (aquatic) Jul-Aug None None G5 S3 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, Other Bogs and fens, Marshes and swamps (lake margins), Meadows and seeps (mesic), Vernal pools 1200 2700 3935 8860 2001-01-01 Photo of Utricularia intermedia
Barry Rice 2004
Valeriana occidentalis western valerian Valerianaceae perennial rhizomatous herb Jun-Aug None None G5 S1 2B.3 Lower montane coniferous forest (mesic) 1500 1800 4920 5905 2001-01-01
No Photo Available
Viburnum ellipticum oval-leaved viburnum Viburnaceae perennial deciduous shrub May-Jun None None G4G5 S3 2B.3 Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest 215 1400 705 4595 1974-01-01 Photo of Viburnum ellipticum
© 2006 Tom Engstrom
Wolffia brasiliensis Brazilian watermeal Araceae perennial herb (aquatic) Apr-Dec None None G5 S2 2B.3 Altered flood/tidal/hydrologic regime, Waterway bank protection/maintenance Marshes and swamps (shallow freshwater) 20 100 65 330 2001-01-01 Photo of Wolffia brasiliensis
© 2021 Scot Loring
Entosthodon kochii Koch's cord moss Funariaceae moss None None G1 S1S2 1B.3 BLM_S Feral pigs, Grazing, Military operations, Non-native plant impacts, Recreational use (non-ORV) Cismontane woodland (soil) 180 1000 590 3280 Yes 2001-01-01
No Photo Available
Fissidens pauperculus minute pocket moss Fissidentaceae moss None None G3? S2 1B.2 USFS_S Erosion/runoff, Improper burning regime, Logging, Road/trail construction/maint. North Coast coniferous forest (damp coastal soil) 10 1024 35 3360 2001-01-01 Photo of Fissidens pauperculus
©2021 Scot Loring
Haplodontium tehamense Lassen Peak copper moss Mniaceae moss None None G2 S2 1B.3 Alpine boulder and rock field (mesic, rock, soil, volcanic) 2500 2800 8205 9185 Yes 2001-01-01
No Photo Available
Lewinskya spjutii Spjut's bristle moss Orthotrichaceae moss None None G1G2 S1 1B.3 Lower montane coniferous forest, Pinyon and juniper woodland, Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 2100 2400 6890 7875 2001-01-01
No Photo Available
Pohlia tundrae tundra thread moss Mielichhoferiaceae moss None None G4 S3 2B.3 Alpine boulder and rock field (gravelly, damp soil) 2700 3000 8860 9845 2001-01-01 Photo of Pohlia tundrae
©2014 Dean Wm. Taylor
Mielichhoferia shevockii Shevock's copper moss Mielichhoferiaceae moss None None G2 S2 1B.2 BLM_S Cismontane woodland (mesic, metamorphic, rock) 750 1400 2460 4595 Yes 2001-01-01
No Photo Available
Tortula californica California screw moss Pottiaceae moss None None G2G3 S2? 1B.2 BLM_S Chenopod scrub, Valley and foothill grassland Sandy 10 1460 35 4790 Yes 2001-01-01
No Photo Available
Triquetrella californica coastal triquetrella Pottiaceae moss None None G2 S2 1B.2 USFS_S Coastal bluff scrub, Coastal scrub 10 100 35 330 2001-01-01
No Photo Available
Geothallus tuberosus Campbell's liverwort Sphaerocarpaceae ephemeral liverwort None None G2 S2 1B.1 IUCN_CR Coastal scrub (mesic), Vernal pools 10 600 35 1970 Yes 2001-01-01 Photo of Geothallus tuberosus
© 2023 Nathan Taylor
Sphaerocarpos drewiae bottle liverwort Sphaerocarpaceae ephemeral liverwort None None G1 S1 1B.1 IUCN_EN Development, Road/trail construction/maint. Chaparral, Coastal scrub Openings 90 600 295 1970 Yes 2001-01-01
No Photo Available
Discelium nudum naked flag moss Disceliaceae ephemeral moss None None G4G5 S1 2B.2 Coastal bluff scrub (clay banks, soil) 10 50 35 165 2001-01-01
No Photo Available
Fissidens aphelotaxifolius brook pocket moss Fissidentaceae moss None None G3G4 S1 2B.2 USFS_S Lower montane coniferous forest, Upper montane coniferous forest Rocky, Streambanks 2000 2200 6560 7220 2001-01-01
No Photo Available
Elodium blandowii Blandow's bog moss Helodiaceae moss None None G4 S2 2B.2 USFS_S Altered flood/tidal/hydrologic regime, Grazing Meadows and seeps, Subalpine coniferous forest 1862 2700 6110 8860 2001-01-01 Photo of Elodium blandowii
© 2013 Scot Loring
Meesia uliginosa broad-nerved hump moss Meesiaceae moss Jul-Oct None None G5 S3 2B.2 USFS_S Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Bogs and fens, Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest 1210 2804 3970 9200 2001-01-01 Photo of Meesia uliginosa
©2013 Scot Loring
Myurella julacea small mousetail moss Pterigynandraceae moss None None G5 S2 2B.3 Alpine boulder and rock field, Subalpine coniferous forest 2700 3000 8860 9845 2001-01-01 Photo of Myurella julacea
© 2021 Scot Loring
Scopelophila cataractae tongue-leaf copper moss Pottiaceae moss None None G3G4 S1 2B.2 Cismontane woodland (metamorphic, soil) 400 400 1310 1310 2001-01-01
No Photo Available
Tortella alpicola alpine crisp-moss Pottiaceae moss None None G5? S1 2B.3 Cismontane woodland (rocky, volcanic) 1400 1400 4595 4595 2001-01-01
No Photo Available
Trichodon cylindricus cylindrical trichodon Ditrichaceae moss None None G4G5 S2 2B.2 Logging, Other, Road/trail construction/maint. Broadleafed upland forest, Meadows and seeps, Upper montane coniferous forest Roadsides, Sandy 50 2002 165 6570 2001-01-01
No Photo Available
Symphyotrichum defoliatum San Bernardino aster Asteraceae perennial rhizomatous herb Jul-Nov None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland, Coastal scrub, Lower montane coniferous forest, Marshes and swamps, Meadows and seeps, Valley and foothill grassland (vernally mesic) Streambanks 2 2040 5 6695 Yes 2004-01-01
No Photo Available
Boechera pendulina rabbit-ear rockcress Brassicaceae perennial herb Apr-Jun None None G5? S2 2B.1 Foot traffic/trampling Great Basin scrub, Pinyon and juniper woodland Carbonate (sometimes), Gravelly (sometimes), Rocky (sometimes) 3050 3200 10005 10500 2004-01-01
No Photo Available
Boechera yorkii Last Chance rockcress Brassicaceae perennial herb May None None G1 S1 1B.3 Other Great Basin scrub, Pinyon and juniper woodland Carbonate 2220 2410 7285 7905 Yes 2005-01-01
No Photo Available
Erigeron maniopotamicus Mad River fleabane daisy Asteraceae perennial herb May-Aug None None G1G2 S1S2 1B.2 BLM_S; SB_UCSC; USFS_S Grazing, Logging, ORV activity, Other, Road/trail construction/maint. Lower montane coniferous forest, Meadows and seeps (openings, dry) Disturbed areas, Openings, Roadsides, Rocky 1275 1500 4185 4920 Yes 2005-01-01 Photo of Erigeron maniopotamicus
©2018 John Doyen
Carex lenticularis var. limnophila lagoon sedge Cyperaceae perennial herb Jun-Aug None None G5T5 S1 2B.2 Bogs and fens, Marshes and swamps, North Coast coniferous forest Gravelly (often) 0 6 0 20 2005-01-01 Photo of Carex lenticularis var. limnophila
©2003 Steve Matson
Poa diaboli Diablo Canyon blue grass Poaceae perennial rhizomatous herb Mar-Apr None None G2 S2 1B.2 BLM_S Grazing, Non-native plant impacts Chaparral (mesic), Cismontane woodland, Closed-cone coniferous forest, Coastal scrub Burned areas (sometimes), Shale 120 400 395 1310 Yes 2005-01-01
No Photo Available
Silene serpentinicola serpentine catchfly Caryophyllaceae perennial rhizomatous herb May-Jul None None G3 S3 1B.2 SB_UCSC; USFS_S Foot traffic/trampling, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral, Lower montane coniferous forest Gravelly (sometimes), Openings, Rocky (sometimes), Serpentine 145 1650 475 5415 2005-01-01 Photo of Silene serpentinicola
©2008 Norman Jensen
Eriogonum microtheca var. lacus-ursi Bear Lake buckwheat Polygonaceae perennial shrub Jul-Aug None CC G5T1 S1 1B.1 SB_CalBG/RSABG; USFS_S Development, Foot traffic/trampling, Recreational use (non-ORV) Great Basin scrub, Lower montane coniferous forest Clay 2000 2100 6560 6890 Yes 2005-01-01
No Photo Available
Arctostaphylos gabilanensis Gabilan Mountains manzanita Ericaceae perennial evergreen shrub Jan None None G1 S1 1B.2 SB_UCSC Non-native plant impacts Chaparral, Cismontane woodland Granitic 300 700 985 2295 Yes 2005-01-01 Photo of Arctostaphylos gabilanensis
© 2005 Dean Wm. Taylor
Calycadenia micrantha small-flowered calycadenia Asteraceae annual herb Jun-Sep None None G2 S2 1B.2 BLM_S; USFS_S Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Meadows and seeps (volcanic), Valley and foothill grassland Roadsides, Rocky, Scree, Serpentine (sometimes), Talus 5 1500 15 4920 Yes 2005-01-01 Photo of Calycadenia micrantha
©2021 Aaron Arthur
Ancistrocarphus keilii Santa Ynez groundstar Asteraceae annual herb Mar-Apr None None G1 S1 1B.1 BLM_S Chaparral, Cismontane woodland Sandy 40 130 130 425 Yes 2005-01-01 Photo of Ancistrocarphus keilii
© 2023 Kristen M Nelson
Astragalus austiniae Austin's astragalus Fabaceae perennial herb (May)Jul-Sep None None G2G3 S2S3 1B.3 SB_UCSC Foot traffic/trampling, Recreational use (non-ORV) Alpine boulder and rock field, Subalpine coniferous forest Rocky 2440 2970 8005 9745 2013-12-04 Photo of Astragalus austiniae
© 2017 John Doyen
Castilleja lassenensis Lassen paintbrush Orobanchaceae perennial herb Jun-Sep None None G3 S3 1B.3 Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Logging, Other, Recreational use (non-ORV) Meadows and seeps, Subalpine coniferous forest Volcanic 955 3120 3135 10235 Yes 2017-07-18 Photo of Castilleja lassenensis
©2018 Matt C. Berger
Ceanothus impressus var. impressus Santa Barbara ceanothus Rhamnaceae perennial shrub Feb-Apr None None G3T3 S3 1B.2 Development, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral Sandy 40 470 130 1540 2006-01-10 Photo of Ceanothus impressus var. impressus
© 2005 Dieter Wilken
Cicuta maculata var. bolanderi Bolander's water-hemlock Apiaceae perennial herb Jul-Sep None None G5T4T5 S2? 2B.1 SB_CalBG/RSABG Erosion/runoff, Recreational use (non-ORV) Marshes and swamps (brackish, coastal, freshwater) 0 200 0 655 1974-01-01 Photo of Cicuta maculata var. bolanderi
© 2007 Doreen L Smith
Lathyrus hitchcockianus Bullfrog Mountain pea Fabaceae perennial herb Apr-May None None G2 S1 1B.3 Mojavean desert scrub 1370 1980 4495 6495 1980-01-01 Photo of Lathyrus hitchcockianus
© 2011 Teague Embrey
Phacelia lyonii Lyon's phacelia Hydrophyllaceae annual herb Apr-Oct None None G2 S2 1B.2 Chaparral, Coastal bluff scrub, Coastal dunes, Coastal scrub Gravelly, Openings, Rocky, Talus 0 460 0 1510 Yes 2021-04-15
No Photo Available
Poa sierrae Sierra blue grass Poaceae perennial rhizomatous herb Apr-Jul None None G3 S3 1B.3 BLM_S; USFS_S Biocides, Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Lower montane coniferous forest Openings 365 1500 1200 4920 Yes 2010-06-10 Photo of Poa sierrae
© 2012 Belinda Lo
Arctostaphylos pacifica Pacific manzanita Ericaceae evergreen shrub Feb-Apr None CE G1 S1 1B.1 SB_UCSC Improper burning regime, Non-native plant impacts, ORV activity, Other Chaparral, Coastal scrub 330 330 1085 1085 Yes 1974-01-01 Photo of Arctostaphylos pacifica
Aaron Schusteff
Botrychium pumicola pumice moonwort Ophioglossaceae perennial rhizomatous herb Jul-Sep None None G2 S1 2B.2 USFS_S Alpine boulder and rock field, Subalpine coniferous forest Volcanic 2750 2750 9025 9025 1974-01-01 Photo of Botrychium pumicola
©2010 Eric White
Castilleja leschkeana Point Reyes paintbrush Orobanchaceae perennial herb (hemiparasitic) Jun None None GX SX 1A Marshes and swamps (coastal) 0 10 0 35 Yes 2012-11-27
No Photo Available
Ceanothus impressus var. nipomensis Nipomo Mesa ceanothus Rhamnaceae perennial shrub Feb-Apr None None G3T2 S2 1B.2 Agriculture, Development Chaparral Sandy 30 245 100 805 2006-01-10 Photo of Ceanothus impressus var. nipomensis
© 2022 Debra L Cook
Erythronium oregonum giant fawn lily Liliaceae perennial herb Mar-Jun(Jul) None None G5 S3? 2B.2 SB_UCSC Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland, Meadows and seeps Openings, Rocky, Serpentine (sometimes) 100 1150 330 3775 2007-07-23 Photo of Erythronium oregonum
©2021 Scot Loring
Berberis harrisoniana Kofa Mountain barberry Berberidaceae perennial evergreen shrub Jan-Mar None None G2 S1 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA Erosion/runoff, Foot traffic/trampling, Road/trail construction/maint. Chaparral, Mojavean desert scrub Slopes, Talus, Volcanic (sometimes) 780 840 2560 2755 2006-02-07
No Photo Available
Cymopterus globosus globose cymopterus Apiaceae perennial herb Mar-Jun None None G4 S1 2B.2 SB_SBBG Great Basin scrub Flats, Openings, Sandy 1200 2135 3935 7005 2006-02-07
No Photo Available
Penstemon pahutensis Pahute beardtongue Plantaginaceae perennial herb Jun None None G3 S1 2B.3 Great Basin scrub, Pinyon and juniper woodland Carbonate (sometimes), Rocky 1900 2300 6235 7545 2006-02-22
No Photo Available
Delphinium scaposum bare-stem larkspur Ranunculaceae perennial herb Mar-Apr None None G5 S1 2B.3 Sonoran desert scrub Rocky, Washes (sometimes) 270 1055 885 3460 2006-03-03
No Photo Available
Erigeron oxyphyllus wand-like fleabane daisy Asteraceae perennial herb Apr-May None None G4 S2 2B.3 Sonoran desert scrub Dry, Rocky, Slopes, Washes 645 790 2115 2590 2006-03-30
No Photo Available
Diplacus vandenbergensis Vandenberg monkeyflower Phrymaceae annual herb Apr-Jun FE None G1 S1 1B.1 SB_SBBG Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal dunes Disturbed areas (often), Sandy 60 120 195 395 Yes 2006-06-07 Photo of Diplacus vandenbergensis
© 2019 Adonis (Don) Tate
Cladium californicum California saw-grass Cyperaceae perennial rhizomatous herb Jun-Sep None None G4 S2 2B.2 SB_CalBG/RSABG; USFS_S Altered flood/tidal/hydrologic regime, Development, Grazing, Groundwater pumping, Non-native plant impacts, Road/trail construction/maint., Surface water diversion Marshes and swamps (alkaline, freshwater), Meadows and seeps 60 1600 195 5250 2006-08-17
No Photo Available
Eurybia merita subalpine aster Asteraceae perennial herb Aug None None G5 S3 2B.3 Upper montane coniferous forest 1300 2085 4265 6840 2006-09-14 Photo of Eurybia merita
©2014 Richard Spellenberg
Digitaria californica var. californica Arizona cottontop Poaceae perennial herb Jul-Nov None None G5T5? S2 2B.3 Improper burning regime, Recreational use (non-ORV) Mojavean desert scrub, Sonoran desert scrub Rocky 290 1490 950 4890 2006-09-14
No Photo Available
Dacryophyllum falcifolium tear drop moss Hypnaceae moss None None G2 S2 1B.3 USFS_S North Coast coniferous forest Carbonate 50 275 165 900 Yes 2006-09-25
No Photo Available
Imperata brevifolia California satintail Poaceae perennial rhizomatous herb Sep-May None None G3 S3 2B.1 SB_CalBG/RSABG; SB_SBBG; USFS_S Development Chaparral, Coastal scrub, Meadows and seeps (often alkali), Mojavean desert scrub, Riparian scrub Mesic 0 1215 0 3985 2006-12-26 Photo of Imperata brevifolia
© 2020 Matt C. Berger
Aliciella triodon coyote gilia Polemoniaceae annual herb Apr-Jun None None G5 S2 2B.2 Foot traffic/trampling, Grazing, Non-native animal impacts Great Basin scrub, Pinyon and juniper woodland Sandy (sometimes) 610 1700 2000 5580 2006-10-04 Photo of Aliciella triodon
© 2020 Steve Matson
Shepherdia canadensis Canadian buffalo-berry Elaeagnaceae perennial shrub Apr-Jul None None G5 S1 2B.1 Logging Upper montane coniferous forest Rocky, Serpentine, Streambanks 1731 1731 5680 5680 2006-10-13 Photo of Shepherdia canadensis
©2011 Jean Pawek
Lepechinia rossii Ross' pitcher sage Lamiaceae perennial shrub May-Sep None None G1 S1 1B.2 SB_CalBG/RSABG; USFS_S Mining, ORV activity, Other Chaparral 305 790 1000 2590 Yes 2006-10-26
No Photo Available
Eriogonum ursinum var. erubescens blushing wild buckwheat Polygonaceae perennial herb Jun-Sep None None G3G4T3 S3 1B.3 BLM_S; SB_UCSC; USFS_S Logging, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter Chaparral (montane), Lower montane coniferous forest Rocky, Scree, Talus 750 1900 2460 6235 Yes 2006-10-24 Photo of Eriogonum ursinum var. erubescens
©2008 Sierra Pacific Industries
Microseris laciniata ssp. detlingii Detling's silverpuffs Asteraceae perennial herb May-Jun None None G4T3 S1 2B.1 Other Cismontane woodland Clay, Openings 600 1500 1970 4920 2006-11-07 Photo of Microseris laciniata ssp. detlingii
© 2021 Scot Loring
Escobaria chlorantha desert pincushion Cactaceae perennial stem Apr-Sep None None G3 S3 2B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Carbonate, Gravelly, Rocky 45 1705 150 5595 2006-11-08
No Photo Available
Calystegia collina ssp. tridactylosa three-fingered morning-glory Convolvulaceae perennial rhizomatous herb Apr-Jun None None G4T1T2 S1S2 1B.2 BLM_S Development, Road/trail construction/maint. Chaparral, Cismontane woodland Gravelly, Openings, Rocky, Serpentine 0 600 0 1970 Yes 2006-11-17
No Photo Available
Astragalus hornii var. hornii Horn's milk-vetch Fabaceae annual herb May-Oct None None GUT1 S1 1B.1 BLM_S Agriculture, Development, Other Meadows and seeps, Playas Alkaline, Lake Margins 60 850 195 2790 2006-11-28 Photo of Astragalus hornii var. hornii
© 2013 Neal Kramer
Menodora scabra var. scabra rough menodora Oleaceae perennial herb May-Jun None None G5T4T5 S3 2B.3 SB_CalBG/RSABG Development, Grazing, Mining, Non-native plant impacts, ORV activity Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland 1200 1800 3935 5905 2006-12-05
No Photo Available
Mentzelia polita polished blazing star Loasaceae perennial herb Apr-Aug None None G2G3 S2? 1B.2 BLM_S; SB_CalBG/RSABG Foot traffic/trampling, Non-native plant impacts Mojavean desert scrub Carbonate 1200 1580 3935 5185 2006-12-21
No Photo Available
Mentzelia pterosperma wing-seed blazing star Loasaceae annual/perennial herb Apr-Jun None None G4 S1 2B.2 SB_CalBG/RSABG; SB_USDA Altered flood/tidal/hydrologic regime, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Mojavean desert scrub Clay 1140 1140 3740 3740 2006-12-21
No Photo Available
Hymenopappus filifolius var. eriopodus hairy-podded fine-leaf hymenopappus Asteraceae perennial herb May-Jul None None G5T3 S2S3 2B.3 SB_CalBG/RSABG Pinyon and juniper woodland Carbonate 1600 1700 5250 5580 2006-12-22 Photo of Hymenopappus filifolius var. eriopodus
© 2020 Matt C. Berger
Cirsium arizonicum var. tenuisectum desert mountain thistle Asteraceae perennial herb Jun-Nov None None G5T2 S2 1B.2 SB_CalBG/RSABG Other, Recreational use (non-ORV) Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Disturbed areas, Roadsides (often), Rocky 1500 2800 4920 9185 2006-12-27
No Photo Available
Hedeoma drummondii Drummond's false pennyroyal Lamiaceae perennial herb May-Jul None None G5 S1 2B.2 Great Basin scrub, Pinyon and juniper woodland Carbonate (usually), Gravelly (sometimes), Rocky (sometimes) 1400 1700 4595 5580 2006-12-27 Photo of Hedeoma drummondii
© 2020 Richard Spellenberg
Oenothera longissima long-stem evening-primrose Onagraceae annual/perennial herb Jul-Sep None None G4 S1 2B.2 Mojavean desert scrub, Pinyon and juniper woodland Mesic (sometimes) 1000 1700 3280 5580 2006-12-27
No Photo Available
Phacelia barnebyana Barneby's phacelia Hydrophyllaceae annual herb (Apr)May-Jul None None G3? S2 2B.3 Non-native plant impacts Great Basin scrub, Pinyon and juniper woodland Carbonate (usually), Gravelly, Rocky 1600 2700 5250 8860 2007-01-03
No Photo Available
Trichostema ruygtii Napa bluecurls Lamiaceae annual herb Jun-Oct None None G2 S2 1B.2 SB_CalBG/RSABG Agriculture, Development Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland, Vernal pools 30 680 100 2230 Yes 2007-01-03
No Photo Available
Linum puberulum plains flax Linaceae perennial herb May-Jul(Oct) None None G5 S2 2B.3 SB_CalBG/RSABG Grazing, Mining, ORV activity, Recreational use (non-ORV) Great Basin scrub, Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland 1000 2500 3280 8205 2006-11-28
No Photo Available
Trifolium siskiyouense Siskiyou clover Fabaceae perennial herb Jun-Jul None None GH SH 1B.1 BLM_S Meadows and seeps (mesic) Streambanks (sometimes) 880 1500 2885 4920 2007-02-02
No Photo Available
Mentzelia inyoensis Inyo blazing star Loasaceae perennial herb Apr-Oct None None G2 S1 1B.1 BLM_S; SB_CalBG/RSABG; USFS_S Non-native animal impacts Great Basin scrub, Pinyon and juniper woodland Carbonate (sometimes), Rocky 1158 1980 3800 6495 2007-02-05 Photo of Mentzelia inyoensis
© 2019 Steve Matson
Pseudognaphalium leucocephalum white rabbit-tobacco Asteraceae perennial herb (Jul)Aug-Nov(Dec) None None G4 S2 2B.2 Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Non-native plant impacts, Recreational use (non-ORV), Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland Gravelly, Sandy 0 2100 0 6890 2006-11-03 Photo of Pseudognaphalium leucocephalum
© Anuja Parikh and Nathan Gale
Cuscuta jepsonii Jepson's dodder Convolvulaceae annual vine (parasitic) Jul-Sep None None G3 S3 1B.2 Biocides, Foot traffic/trampling, Logging, Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest, North Coast coniferous forest 1200 2300 3935 7545 Yes 1974-01-01 Photo of Cuscuta jepsonii
©2019 Dean Wm. Taylor
Ambrosia monogyra singlewhorl burrobrush Asteraceae perennial shrub Aug-Nov None None G5 S2 2B.2 SB_CRES Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Sonoran desert scrub Sandy 10 500 35 1640 2007-02-21 Photo of Ambrosia monogyra
© 2014 Keir Morse
Grusonia parishii Parish's club-cholla Cactaceae perennial stem May-Jun(Jul) None None G3G4 S2 2B.2 Development, Grazing, Mining, Non-native animal impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub, Sonoran desert scrub Rocky, Sandy 300 1524 985 5000 2007-03-20 Photo of Grusonia parishii
© 2012 James M. Andre
Malacothrix similis Mexican malacothrix Asteraceae annual herb Apr-May None None G2G3 SH 2A Coastal dunes 0 40 0 130 2007-04-05
No Photo Available
Packera hesperia western ragwort Asteraceae perennial herb Apr-Jun None None G3 S1 2B.2 USFS_S Improper burning regime, Logging, ORV activity Meadows and seeps, Upper montane coniferous forest Serpentine 500 2500 1640 8205 2007-04-12 Photo of Packera hesperia
©2008 Keir Morse
Micromonolepis pusilla dwarf monolepis Chenopodiaceae annual herb May-Aug None None G5 S2 2B.3 Great Basin scrub Alkaline, Openings 1500 2400 4920 7875 2007-06-13
No Photo Available
Eriogonum umbellatum var. lautum Scott Valley buckwheat Polygonaceae perennial herb Jul-Sep None None G5T1 S1 1B.1 SB_UCSC Development Cismontane woodland, Lower montane coniferous forest Flats, Gravelly, Sandy 800 900 2625 2955 Yes 2007-06-25 Photo of Eriogonum umbellatum var. lautum
©2007 Dean Wm. Taylor, Ph.D
Hemieva ranunculifolia buttercup-leaf hemieva Saxifragaceae perennial herb Jun-Aug None None G5 S2 2B.2 Meadows and seeps, Upper montane coniferous forest Granitic, Mesic, Rock crevices (often), Rocky 1500 2500 4920 8205 2007-06-29 Photo of Hemieva ranunculifolia
Dana York (2017)
Eriogonum microtheca var. schoolcraftii Schoolcraft's wild buckwheat Polygonaceae perennial shrub Jul-Sep None None G5T3 S3 1B.2 BLM_S; USFS_S Great Basin scrub, Pinyon and juniper woodland Rocky, Sandy 1300 1750 4265 5740 2007-07-10
No Photo Available
Fraxinus parryi chaparral ash Oleaceae perennial shrub Mar-May None None G3? S1 2B.2 SB_CalBG/RSABG Chaparral 213 620 700 2035 2007-07-31
No Photo Available
Orthotrichum kellmanii Kellman's bristle moss Orthotrichaceae moss Jan-Feb None None G1 S1 1B.2 USFS_S Chaparral, Cismontane woodland Carbonate, Sandstone 343 685 1125 2245 Yes 2007-08-16
No Photo Available
Lomatium roseanum adobe lomatium Apiaceae perennial herb May-Jul None None G2G3 S2 1B.2 BLM_S; USFS_S Grazing, Non-native plant impacts, ORV activity, Other, Wood cutting or brush clearing Great Basin scrub, Lower montane coniferous forest Gravelly, Openings, Rocky 1463 2255 4800 7400 2007-08-16
No Photo Available
Atriplex pusilla smooth saltbush Chenopodiaceae annual herb Jun-Sep None None G4 SH 2B.1 Great Basin scrub, Meadows and seeps (hot springs) Alkaline 1300 2000 4265 6560 2007-08-28
No Photo Available
Aldama purisimae La Purisima aldama Asteraceae shrub Apr-Sep None None G4 S1 2B.3 Improper burning regime Chaparral, Coastal bluff scrub 365 425 1200 1395 2007-09-05 Photo of Aldama purisimae
© 2018 Ron Vanderhoff
Platanthera yosemitensis Yosemite bog orchid Orchidaceae perennial herb Jul-Aug None None G2 S2 1B.2 IUCN_EN; SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Surface water diversion Meadows and seeps Granitic, Mesic 2100 2285 6890 7495 Yes 2007-09-10
No Photo Available
Parnassia cirrata var. intermedia Cascade grass-of-Parnassus Parnassiaceae perennial herb (Jul)Aug-Sep(Oct) None None GNRTNR S3 2B.2 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Logging, Recreational use (non-ORV), Road/trail construction/maint. Bogs and fens, Meadows and seeps Rocky, Serpentine 780 1980 2560 6495 2007-09-19 Photo of Parnassia cirrata var. intermedia
©2009 Sierra Pacific Industries
Astragalus kentrophyta var. ungulatus spiny milk-vetch Fabaceae perennial herb Jun None None G5T3T4 S1 2B.2 SB_CalBG/RSABG Grazing, Logging Pinyon and juniper woodland 2149 2149 7050 7050 2008-02-05
No Photo Available
Brodiaea santarosae Santa Rosa Basalt brodiaea Themidaceae perennial bulbiferous herb May-Jun None None G1 S1 1B.2 USFS_S Development, Grazing, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint., Surface water diversion Valley and foothill grassland 565 1045 1855 3430 Yes 2008-02-05 Photo of Brodiaea santarosae
© 2021 W. Juergen Schrenk
Frangula purshiana ssp. ultramafica Caribou coffeeberry Rhamnaceae perennial deciduous shrub May-Jul None None G5T2T3 S2S3 1B.2 SB_UCSC; USFS_S Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral, Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Serpentine 825 1930 2705 6330 Yes 2008-02-14 Photo of Frangula purshiana ssp. ultramafica
©2014 Kirsten Bovee
Carex klamathensis Klamath sedge Cyperaceae perennial rhizomatous herb None None G2 S1 1B.2 BLM_S; SB_UCSC Chaparral, Cismontane woodland, Meadows and seeps Serpentine 1000 1140 3280 3740 2008-03-20
No Photo Available
Sisyrinchium longipes timberland blue-eyed grass Iridaceae perennial herb Jun-Aug None None G3 S1 2B.2 SB_CalBG/RSABG; USFS_S ORV activity Meadows and seeps Mesic 2060 2060 6760 6760 2008-03-20
No Photo Available
Rhamnus alnifolia alder buckthorn Rhamnaceae perennial deciduous shrub May-Jul None None G5 S3 2B.2 SB_UCSC Dam/Inundation, Development, Grazing, Logging, Road/trail construction/maint. Lower montane coniferous forest, Meadows and seeps, Riparian scrub, Upper montane coniferous forest 1370 2130 4495 6990 2008-03-26
No Photo Available
Pentachaeta aurea ssp. allenii Allen's pentachaeta Asteraceae annual herb Mar-Jun None None G4T1 S1 1B.1 ORV activity, Other Coastal scrub (openings), Valley and foothill grassland 75 520 245 1705 Yes 2008-05-08 Photo of Pentachaeta aurea ssp. allenii
©2008 Bob Allen
Navarretia gowenii Lime Ridge navarretia Polemoniaceae annual herb May-Jun None None G1 S1 1B.1 SB_UCBG Other, Recreational use (non-ORV), Wood cutting or brush clearing Chaparral, Valley and foothill grassland (sometimes) 180 396 590 1300 Yes 2008-05-15 Photo of Navarretia gowenii
© John Doyen
Navarretia ojaiensis Ojai navarretia Polemoniaceae annual herb May-Jul None None G2 S2 1B.1 SB_CalBG/RSABG; USFS_S Development, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (openings), Coastal scrub (openings), Valley and foothill grassland 275 620 900 2035 Yes 2008-05-15 Photo of Navarretia ojaiensis
© Anuja Parikh and Nathan Gale
Heterotheca sessiliflora ssp. sessiliflora beach goldenaster Asteraceae perennial herb Mar-Dec None None G4T2T3 S1 1B.1 SB_CalBG/RSABG; SB_CRES Development, Non-native plant impacts, ORV activity, Other Chaparral (coastal), Coastal dunes, Coastal scrub 0 1225 0 4020 2007-06-14
No Photo Available
Eriastrum harwoodii Harwood's eriastrum Polemoniaceae annual herb Mar-Jun None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Vandalism/dumping/litter Desert dunes 125 915 410 3000 Yes 2008-07-22
No Photo Available
Eriogonum luteolum var. saltuarium Jack's wild buckwheat Polygonaceae annual herb Jul-Sep None None G5T1 S1 1B.2 USFS_S Erosion/runoff, Foot traffic/trampling, Mining, Other, Recreational use (non-ORV) Great Basin scrub, Upper montane coniferous forest Granitic, Sandy 1700 2400 5580 7875 Yes 2008-08-04
No Photo Available
Eremogone cliftonii Clifton's eremogone Caryophyllaceae perennial herb Apr-Sep None None G3 S3 1B.3 SB_UCSC; USFS_S Erosion/runoff, Foot traffic/trampling, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Granitic (usually), Openings 455 2080 1495 6825 Yes 2008-08-04
No Photo Available
Oenothera cavernae cave evening-primrose Onagraceae annual herb Mar-Nov None None G2G3 S1 2B.1 SB_CalBG/RSABG Development, Grazing, Mining Great Basin scrub, Joshua tree "woodland", Mojavean desert scrub Gravelly 760 1280 2495 4200 2008-08-12 Photo of Oenothera cavernae
© 2008 James M Andre
Teucrium cubense ssp. depressum dwarf germander Lamiaceae annual herb Mar-May(Sep-Nov) None None G4G5T3T4 S1 2B.2 Foot traffic/trampling, ORV activity Desert dunes, Playas (margins), Sonoran desert scrub 45 400 150 1310 2008-09-02
No Photo Available
Mielichhoferia mielichhoferiana Mielichhofer's copper moss Mielichhoferiaceae moss None None G4 S1 2B.3 Subalpine coniferous forest 1975 1975 6480 6480 2008-09-02
No Photo Available
Calyptridium pygmaeum pygmy pussypaws Montiaceae annual herb Jun-Aug None None G1G2 S1S2 1B.2 SB_CalBG/RSABG; USFS_S Recreational use (non-ORV) Subalpine coniferous forest, Upper montane coniferous forest Gravelly (sometimes), Sandy (sometimes) 1980 3110 6495 10205 Yes 2008-10-10
No Photo Available
Eriogonum callistum Tehachapi buckwheat Polygonaceae perennial herb May-Jul None None G1 S1 1B.1 SB_CalBG/RSABG Development Chaparral Openings, Rocky 1400 1730 4595 5675 Yes 2008-10-14
No Photo Available
Polemonium carneum Oregon polemonium Polemoniaceae perennial herb Apr-Sep None None G3G4 S2 2B.2 Logging Coastal prairie, Coastal scrub, Lower montane coniferous forest 0 1830 0 6005 2008-11-03 Photo of Polemonium carneum
©2018 John Doyen
Eriogonum mensicola Pinyon Mesa buckwheat Polygonaceae perennial herb Jul-Sep None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG Great Basin scrub, Pinyon and juniper woodland, Upper montane coniferous forest Gravelly (sometimes), Rocky (sometimes) 1800 2805 5905 9205 1994-01-01
No Photo Available
Cymopterus multinervatus purple-nerve cymopterus Apiaceae perennial herb Mar-Apr None None G4G5 S2 2B.2 Development, Grazing, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Mojavean desert scrub, Pinyon and juniper woodland Gravelly (sometimes), Sandy (sometimes) 790 1800 2590 5905 2008-11-20
No Photo Available
Greeneocharis circumscissa var. rosulata rosette cushion cryptantha Boraginaceae annual herb Jul-Aug None None G5T2 S2 1B.2 USFS_S Foot traffic/trampling, Grazing Alpine boulder and rock field, Subalpine coniferous forest Granitic, Gravelly 2950 3660 9680 12010 Yes 2008-11-20
No Photo Available
Hymenoxys odorata bitter hymenoxys Asteraceae annual herb Feb-Nov None None G5 S2 2B.1 Development Riparian scrub, Sonoran desert scrub Sandy 45 150 150 490 2008-11-20 Photo of Hymenoxys odorata
© 2015 Richard Spellenberg
Parnassia parviflora small-flowered grass-of-Parnassus Parnassiaceae perennial herb Aug-Sep None None G5? S2 2B.2 Foot traffic/trampling Meadows and seeps Mesic 2000 2855 6560 9365 2008-12-10 Photo of Parnassia parviflora
© 2012 Dylan Neubauer
Galium proliferum desert bedstraw Rubiaceae annual herb Mar-Jun None None G5 S2 2B.2 Non-native plant impacts Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Carbonate, Rocky 1190 1630 3905 5350 2009-01-06 Photo of Galium proliferum
© 2011 Duncan S. Bell
Sidalcea multifida cut-leaf checkerbloom Malvaceae perennial herb May-Sep None None G3 S2 2B.3 SB_CalBG/RSABG Dam/Inundation, Development, Foot traffic/trampling, Grazing, ORV activity, Other, Recreational use (non-ORV) Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland 1750 2800 5740 9185 2009-01-06
No Photo Available
Juncus digitatus finger rush Juncaceae annual herb (Apr)May-Jun None None G1 S1 1B.1 Altered flood/tidal/hydrologic regime, Development, Disking, Mining, Surface water diversion Cismontane woodland (openings), Lower montane coniferous forest (openings), Vernal pools (xeric) 660 1097 2165 3600 Yes 2009-01-02 Photo of Juncus digitatus
Image by Wendy Boes
Lysimachia thyrsiflora tufted loosestrife Myrsinaceae perennial herb May-Aug None None G5 S1? 2B.3 Marshes and swamps, Meadows and seeps (mesic), Upper montane coniferous forest 975 1675 3200 5495 2009-01-06 Photo of Lysimachia thyrsiflora
©2016 Keir Morse
Astragalus tidestromii Tidestrom's milk-vetch Fabaceae perennial herb (Jan)Apr-Jul None None G4 S2 2B.2 SB_CalBG/RSABG; USFS_S Biocides, Development, Erosion/runoff, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Mojavean desert scrub Carbonate, Gravelly (sometimes), Sandy (sometimes) 600 1785 1970 5855 2009-01-06
No Photo Available
Streptanthus vernalis early jewelflower Brassicaceae annual herb Mar-May None None G1 S1 1B.2 BLM_S; SB_UCBG ORV activity Chaparral, Closed-cone coniferous forest Serpentine 610 610 2000 2000 Yes 2009-02-04
No Photo Available
Sidalcea hickmanii ssp. pillsburiensis Lake Pillsbury checkerbloom Malvaceae perennial herb Jul-Aug None None G2T1 S1 1B.2 USFS_S Other Chaparral Openings 700 700 2295 2295 Yes 2009-02-04
No Photo Available
Arctostaphylos ohloneana Ohlone manzanita Ericaceae evergreen shrub Feb-Mar None None G1 S1 1B.1 SB_CalBG/RSABG; SB_USDA Disease, Road/trail construction/maint. Closed-cone coniferous forest, Coastal scrub 450 530 1475 1740 Yes 2009-04-02 Photo of Arctostaphylos ohloneana
Neal Kramer
Sidalcea hickmanii ssp. napensis Napa checkerbloom Malvaceae perennial herb Apr-Jun None None G2T1 S1 1B.1 SB_CalBG/RSABG Agriculture Chaparral 415 610 1360 2000 Yes 2009-04-02 Photo of Sidalcea hickmanii ssp. napensis
© Jake Ruygt
Cylindropuntia fosbergii pink teddy-bear cholla Cactaceae perennial stem Mar-May None None G2 S2 1B.3 BLM_S Sonoran desert scrub 85 850 280 2790 Yes 2009-04-02
No Photo Available
Collomia tenella slender collomia Polemoniaceae annual herb Jun-Jul None None G4 S1 2B.2 Foot traffic/trampling, Grazing Upper montane coniferous forest 2170 2170 7120 7120 2009-04-17
No Photo Available
Physaria ludoviciana silver bladderpod Brassicaceae perennial herb May-Jun None None G5 S1 2B.2 Great Basin scrub 2130 2130 6990 6990 2009-04-23
No Photo Available
Corispermum americanum var. americanum American bugseed Chenopodiaceae annual herb Apr-May None None G5?T5? S1 2B.2 Non-native plant impacts Desert dunes 880 1160 2885 3805 2009-05-11
No Photo Available
Juncus luciensis Santa Lucia dwarf rush Juncaceae annual herb Apr-Jul None None G3 S3 1B.2 BLM_S; USFS_S Agriculture, Foot traffic/trampling Chaparral, Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Vernal pools 300 2040 985 6695 Yes 2009-04-30 Photo of Juncus luciensis
© 2009 Keir Morse
Juncus nevadensis var. inventus Sierra rush Juncaceae perennial rhizomatous herb Jul-Nov None None G5T3T4 S1 2B.2 Bogs and fens 0 10 0 35 2009-06-08
No Photo Available
Oreocarya glomerata cocks-comb cat's-eye Boraginaceae perennial herb Jul-Aug None None G5 S1 2B.3 Erosion/runoff, Foot traffic/trampling, Recreational use (non-ORV) Pinyon and juniper woodland 1555 2160 5100 7085 2009-08-03 Photo of Oreocarya glomerata
©2016 Keir Morse
Plagiobothrys nitens shiny-nutlet popcornflower Boraginaceae annual herb Jun-Jul None None GNR S1 2B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Grazing Meadows and seeps Alkaline 1510 1600 4955 5250 2009-08-03
No Photo Available
Juncus interior inland rush Juncaceae perennial herb Jun-Aug None None G4 S1 2B.2 Pinyon and juniper woodland 1830 1845 6005 6055 2009-09-08 Photo of Juncus interior
© 2011 James M. Andre
Allium punctum dotted onion Alliaceae perennial bulbiferous herb Apr-May None None G3 S1 2B.2 Pinyon and juniper woodland Rocky 1200 1600 3935 5250 2009-09-08 Photo of Allium punctum
© 2021 Sarah Tona
Cryptantha fendleri sand dune cryptantha Boraginaceae annual herb Jun-Jul None None G5 S1 2B.2 Great Basin scrub 1950 2210 6400 7250 2009-11-16
No Photo Available
Oreocarya schoolcraftii Schoolcraft's oreocarya Boraginaceae perennial herb Jun-Jul None None G3 S1 2B.2 BLM_S Great Basin scrub 1615 1705 5300 5595 2009-12-22
No Photo Available
Streptanthus oblanceolatus Trinity River jewelflower Brassicaceae perennial herb Apr-Jun None None G1 S1 1B.2 SB_UCSC; USFS_S Cismontane woodland Gravelly, Roadsides, Rock crevices, Rocky, Volcanic 20 420 65 1380 Yes 2010-01-04 Photo of Streptanthus oblanceolatus
©2009 Dana York
Eriogonum cedrorum Cedars buckwheat Polygonaceae perennial herb Jun-Sep None None G1 S1 1B.3 BLM_S; SB_CalBG/RSABG Closed-cone coniferous forest Serpentine 365 550 1200 1805 Yes 2010-03-01 Photo of Eriogonum cedrorum
© 2014 Vernon Smith
Viola howellii Howell's violet Violaceae perennial herb May-Jun None None G4 S1 2B.2 Foot traffic/trampling, Logging, Other North Coast coniferous forest 655 655 2150 2150 2010-03-01 Photo of Viola howellii
© 2021 Scot Loring
Mentzelia puberula Darlington's blazing star Loasaceae perennial herb Mar-May None None G5 S2 2B.2 SB_CalBG/RSABG Mojavean desert scrub, Sonoran desert scrub Rocky, Sandy 90 1280 295 4200 2010-02-18
No Photo Available
Castilleja ambigua var. insalutata pink Johnny-nip Orobanchaceae annual herb (hemiparasitic) May-Aug None None G5T2 S2 1B.1 BLM_S Coastal prairie, Coastal scrub 0 100 0 330 Yes 2010-03-09
No Photo Available
Nemacladus calcaratus Chimney Creek nemacladus Campanulaceae annual herb May-Jun None None G1 S1 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Road/trail construction/maint. Pinyon and juniper woodland Flats, Granitic 1900 2100 6235 6890 Yes 2010-03-09
No Photo Available
Monolopia gracilens woodland woollythreads Asteraceae annual herb (Feb)Mar-Jul None None G3 S3 1B.2 SB_CalBG/RSABG Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest (openings), Chaparral (openings), Cismontane woodland, North Coast coniferous forest (openings), Valley and foothill grassland Serpentine 100 1200 330 3935 Yes 2010-04-06 Photo of Monolopia gracilens
© 2016 Richard Spellenberg
Sabulina stricta bog sandwort Caryophyllaceae perennial herb Jul-Sep None None G5 S3 2B.3 Alpine boulder and rock field, Alpine dwarf scrub, Meadows and seeps 2440 3960 8005 12995 2010-04-06
No Photo Available
Mammillaria grahamii var. grahamii Graham fishhook cactus Cactaceae perennial stem Apr-Sep None None G4T4 S2 2B.2 SB_CalBG/RSABG; SB_USDA Road/trail construction/maint. Sonoran desert scrub (gravelly, rocky) 300 900 985 2955 2010-04-06
No Photo Available
Eriogonum nudum var. psychicola Antioch Dunes buckwheat Polygonaceae perennial herb Jul-Oct None None G5T1 S1 1B.1 Development, Mining Inland dunes 0 20 0 65 Yes 2010-06-21
No Photo Available
Cleomella palmeri Palmer's jackass-clover Cleomaceae perennial deciduous shrub Jan-Dec None None G5T3T5 S1 2B.1 Agriculture, Development, Groundwater pumping, ORV activity Chenopod scrub, Desert dunes, Sonoran desert scrub, Sonoran thorn woodland 0 300 0 985 2010-06-10
No Photo Available
Nemacladus secundiflorus var. robbinsii Robbins' nemacladus Campanulaceae annual herb Apr-Jun None None G3T2 S2 1B.2 BLM_S; USFS_S Mining, Road/trail construction/maint. Chaparral, Valley and foothill grassland Openings 350 1700 1150 5580 Yes 2010-06-25
No Photo Available
Atriplex argentea var. longitrichoma Pahrump orache Chenopodiaceae annual herb Apr-May None None G5T2 S2 1B.1 BLM_S; SB_CalBG/RSABG ORV activity Mojavean desert scrub Alkaline, Disturbed areas, Roadsides 640 850 2100 2790 2010-07-29
No Photo Available
Helianthus inexpectatus Newhall sunflower Asteraceae perennial rhizomatous herb Aug-Oct None None G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Non-native plant impacts, Over-collecting/poaching Marshes and swamps, Riparian woodland Seeps 305 305 1000 1000 Yes 2010-08-16 Photo of Helianthus inexpectatus
© 2012 Anuja Parikh and Nathan Gale
Eriogonum umbellatum var. ahartii Ahart's buckwheat Polygonaceae perennial herb Jun-Sep None None G5T3 S3 1B.2 BLM_S; SB_UCSC; USFS_S Erosion/runoff, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland Openings, Serpentine, Slopes 400 2000 1310 6560 Yes 2010-11-29
No Photo Available
Potentilla uliginosa Cunningham Marsh cinquefoil Rosaceae perennial herb May-Aug None None GX SX 1A Agriculture, Development Marshes and swamps (freshwater) 30 40 100 130 Yes 2010-12-20
No Photo Available
Mentzelia tricuspis spiny-hair blazing star Loasaceae annual herb Mar-May None None G4 S2 2B.1 Mojavean desert scrub Gravelly, Sandy, Slopes, Washes 150 1280 490 4200 2010-10-28
No Photo Available
Brasenia schreberi watershield Cabombaceae perennial rhizomatous herb (aquatic) Jun-Sep None None G5 S3 2B.3 IUCN_LC Altered flood/tidal/hydrologic regime, Development, Non-native plant impacts, Road/trail construction/maint. Marshes and swamps (freshwater) 0 2200 0 7220 2010-10-27 Photo of Brasenia schreberi
©2014 Kirsten Bovee
Thysanocarpus rigidus rigid fringepod Brassicaceae annual herb Feb-May None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Development, Recreational use (non-ORV), Vandalism/dumping/litter Pinyon and juniper woodland Dry, Rocky, Slopes 600 2200 1970 7220 2011-03-17
No Photo Available
Chenopodium littoreum coastal goosefoot Chenopodiaceae annual herb Apr-Aug None None G1 S1 1B.2 SB_SBBG Non-native plant impacts Coastal dunes 10 30 35 100 Yes 2011-06-01 Photo of Chenopodium littoreum
© 2011 Aaron E Sims
Gilia mexicana El Paso gilia Polemoniaceae annual herb May None None G4 S1 2B.3 Non-native plant impacts, ORV activity Pinyon and juniper woodland 1475 1475 4840 4840 2011-04-08 Photo of Gilia mexicana
© 2020 Richard Spellenberg
Astragalus bernardinus San Bernardino milk-vetch Fabaceae perennial herb Apr-Jun None None G3 S3 1B.2 BLM_S; SB_CalBG/RSABG; USFS_S Other Joshua tree "woodland", Pinyon and juniper woodland Carbonate (often), Granitic (often) 900 2000 2955 6560 Yes 2011-02-16 Photo of Astragalus bernardinus
© 2019 Michelle Cloud-Hughes
Menodora spinescens var. mohavensis Mojave menodora Oleaceae perennial deciduous shrub Apr-May None None G4T2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Landfill, Road/trail construction/maint. Mojavean desert scrub Gravelly, Rocky, Slopes 690 2000 2265 6560 Yes 2011-08-17
No Photo Available
Frasera albomarginata var. induta Clark Mountain green-gentian Gentianaceae perennial herb May-Jun(Sep) None None G5T2 S1 1B.2 SB_CalBG/RSABG Grazing Pinyon and juniper woodland Carbonate (usually), Gravelly (sometimes), Rocky (sometimes) 1705 1770 5595 5805 2013-12-10
No Photo Available
Cirsium occidentale var. lucianum Cuesta Ridge thistle Asteraceae perennial herb Apr-Jun None None G3G4T2 S2 1B.2 BLM_S Improper burning regime, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (openings) Disturbed areas, Roadsides, Rocky (often), Serpentine, Slopes (often) 500 750 1640 2460 Yes 2011-04-08
No Photo Available
Dudleya virens ssp. hassei Catalina Island dudleya Crassulaceae perennial herb Mar-Jun None None G3?T2 S2 1B.2 SB_CalBG/RSABG Coastal bluff scrub, Coastal scrub Rocky 0 400 0 1310 Yes 2011-03-08
No Photo Available
Boechera rubicundula Mt. Day rockcress Brassicaceae perennial herb Apr-May None None G1 S1 1B.1 Chaparral Rocky, Slopes 1200 1200 3935 3935 Yes 2011-04-27
No Photo Available
Buxbaumia viridis green shield-moss Buxbaumiaceae moss None None G5? S2 2B.2 BLM_S; USFS_S Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Other, Recreational use (non-ORV) Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest 975 2200 3200 7220 2011-03-23 Photo of Buxbaumia viridis
© 2021 Scot Loring
Riella americana American riella Riellaceae liverwort (aquatic) Aug-Sep None None G2G3 S1 2B.2 Lower montane coniferous forest, Pinyon and juniper woodland 1615 1615 5300 5300 2011-03-23
No Photo Available
Boechera serpenticola serpentine rockcress Brassicaceae perennial herb Mar-Jun None None G1 S1 1B.2 BLM_S; SB_CalBG/RSABG Lower montane coniferous forest, Upper montane coniferous forest Serpentine, Talus 790 2100 2590 6890 Yes 2011-05-06 Photo of Boechera serpenticola
©2020 Sierra Pacific Industries
Boechera rollei Rolle's rockcress Brassicaceae perennial herb Aug None None G1 S1 1B.1 SB_CalBG/RSABG Upper montane coniferous forest Rocky, Slopes 1600 1800 5250 5905 2011-06-01 Photo of Boechera rollei
©2012 Dana York
Boechera shevockii Shevock's rockcress Brassicaceae perennial herb Jun-Jul None None G1 S1 1B.1 USFS_S Foot traffic/trampling, Recreational use (non-ORV) Upper montane coniferous forest Granitic 2470 2500 8105 8205 Yes 2011-05-06
No Photo Available
Boechera tularensis Tulare rockcress Brassicaceae perennial herb (May)Jun-Jul(Aug) None None G3 S3 1B.3 SB_CalBG/RSABG; USFS_S Foot traffic/trampling, Grazing, Improper burning regime, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Subalpine coniferous forest, Upper montane coniferous forest Roadsides (sometimes), Rocky, Slopes 1825 3350 5990 10990 Yes 2011-07-05
No Photo Available
Boechera ultraalsa Snow Mountain rockcress Brassicaceae perennial herb Jun-Jul None None G1 S1 1B.1 Upper montane coniferous forest (rocky) 1800 1800 5905 5905 Yes 2011-06-01
No Photo Available
Brodiaea matsonii Sulphur Creek brodiaea Themidaceae perennial bulbiferous herb May-Jun None None G1 S1 1B.1 BLM_S; SB_BerrySB Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Non-native plant impacts, Other, Over-collecting/poaching, Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Cismontane woodland (streambanks), Meadows and seeps Rocky 195 220 640 720 Yes 2011-07-12 Photo of Brodiaea matsonii
©2016 Len Lindstrand III
Sarcobatus baileyi Bailey's greasewood Sarcobataceae perennial deciduous shrub Apr-Jul None None G4 S1 2B.3 Grazing, Improper burning regime, ORV activity, Road/trail construction/maint. Chenopod scrub Alkaline, Roadsides, Washes 1500 1600 4920 5250 2011-08-09
No Photo Available
Delphinium parryi ssp. eastwoodiae Eastwood's larkspur Ranunculaceae perennial herb (Feb)Mar-Apr None None G4T2 S2 1B.2 BLM_S Chaparral (openings), Valley and foothill grassland Serpentine 75 500 245 1640 Yes 2011-10-05
No Photo Available
Calyptridium arizonicum Arizona pussypaws Montiaceae annual herb Mar-Apr None None G3? S1 2B.1 SB_CalBG/RSABG Foot traffic/trampling, Recreational use (non-ORV) Sonoran desert scrub Metamorphic, Washes 610 790 2000 2590 2011-08-17
No Photo Available
Horkelia daucifolia var. indicta Jepson's horkelia Rosaceae perennial herb Apr-Jun None None G4T1 S1 1B.1 SB_UCSC Development Cismontane woodland Clay, Openings, Vernally Mesic, Volcanic 240 670 785 2200 Yes 2011-09-26 Photo of Horkelia daucifolia var. indicta
© 2011 Dean Wm. Taylor, Ph.D.
Cuscuta obtusiflora var. glandulosa Peruvian dodder Convolvulaceae annual vine (parasitic) Jul-Oct None None G5T4? SH 2B.2 Development Marshes and swamps (freshwater) 15 280 50 920 2011-08-24
No Photo Available
Cuscuta pacifica var. papillata Mendocino dodder Convolvulaceae annual vine (parasitic) (Jun)Jul-Oct None None G5T1 S1 1B.2 Coastal dunes (interdune depressions) 0 50 0 165 Yes 2011-09-20
No Photo Available
Botrychium yaaxudakeit giant moonwort Ophioglossaceae perennial rhizomatous herb Aug None None G3G4 S1 2B.1 USFS_S Alpine boulder and rock field (meadows) 3200 3200 10500 10500 2012-03-05
No Photo Available
Botrychium tunux moosewort Ophioglossaceae perennial rhizomatous herb Aug-Sep None None G3G4 S1 2B.1 USFS_S Alpine boulder and rock field 3050 3050 10005 10005 2012-03-05
No Photo Available
Botrychium paradoxum paradox moonwort Ophioglossaceae perennial rhizomatous herb Aug None None G3G4 S1 2B.1 USFS_S Alpine boulder and rock field (limestone, marble), Upper montane coniferous forest (moist) 1740 4200 5710 13780 2012-03-05 Photo of Botrychium paradoxum
©2011 Ryan Batten
Monardella australis ssp. jokerstii Jokerst's monardella Lamiaceae perennial rhizomatous herb Jul-Sep None None G4T1? S1? 1B.1 USFS_S Chaparral, Lower montane coniferous forest Alluvial Terraces, Scree, Slopes, Talus, Washes 1350 1750 4430 5740 Yes 2011-12-06
No Photo Available
Monardella boydii Boyd's monardella Lamiaceae perennial shrub Aug-Oct None None G1?Q S1? 1B.2 BLM_S; SB_CalBG/RSABG; SB_USDA Mojavean desert scrub, Pinyon and juniper woodland, Riparian scrub (desert) Alluvial Terraces (usually), Rock crevices, Slopes, Washes 1400 1650 4595 5415 Yes 2011-12-06
No Photo Available
Monardella eremicola Clark Mountain monardella Lamiaceae perennial shrub Jun-Aug None None G3Q S3 1B.3 BLM_S; SB_CalBG/RSABG Pinyon and juniper woodland, Riparian scrub (desert) Carbonate, Granitic, Rock crevices (usually), Washes 1500 2100 4920 6890 Yes 2011-12-06
No Photo Available
Monardella hypoleuca ssp. intermedia intermediate monardella Lamiaceae perennial rhizomatous herb Apr-Sep None None G4T2? S2? 1B.3 BLM_S Development, Foot traffic/trampling, Mining, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest (sometimes) 400 1250 1310 4100 Yes 2012-10-16 Photo of Monardella hypoleuca ssp. intermedia
© 2016 Ron Vanderhoff
Monardella undulata ssp. arguelloensis Point Arguello monardella Lamiaceae perennial shrub May-Sep None None G3T1 S1 1B.1 SB_SBBG Non-native plant impacts Coastal bluff scrub, Coastal dunes (stabilized), Coastal scrub Sandy 50 150 165 490 Yes 2012-06-14 Photo of Monardella undulata ssp. arguelloensis
© 2012 CNPS, San Luis Obispo Chapter
Astragalus sabulonum gravel milk-vetch Fabaceae annual/perennial herb Feb-Jun None None G4G5 S2 2B.2 Agriculture, Development, Non-native plant impacts, ORV activity, Recreational use (non-ORV) Desert dunes, Mojavean desert scrub, Sonoran desert scrub Flats, Gravelly (sometimes), Roadsides, Sandy (usually), Washes -60 930 -195 3050 2011-10-19
No Photo Available
Drymocallis cuneifolia var. cuneifolia wedgeleaf woodbeauty Rosaceae perennial herb Jun-Aug None None G2T1 S1 1B.1 SB_CalBG/RSABG; SB_USDA; USFS_S ORV activity, Road/trail construction/maint. Riparian scrub, Upper montane coniferous forest Carbonate (sometimes) 1800 2415 5905 7925 Yes 2011-11-22
No Photo Available
Rosa gymnocarpa var. serpentina Gasquet rose Rosaceae perennial rhizomatous shrub Apr-Jun(Aug) None None G5T3T4 S2 1B.3 SB_BerrySB; SB_CalBG/RSABG Chaparral, Cismontane woodland Openings, Roadsides (often), Serpentine, Streambanks 400 1725 1310 5660 2011-11-30 Photo of Rosa gymnocarpa var. serpentina
Dean Wm. Taylor, 2020
Hesperolinon sharsmithiae Sharsmith's western flax Linaceae annual herb May-Jul None None G2Q S2 1B.2 BLM_S; SB_UCSC Agriculture, Dam/Inundation, Development, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Wood cutting or brush clearing Chaparral Serpentine 270 300 885 985 Yes 2012-12-14 Photo of Hesperolinon sharsmithiae
© 2017 Aaron Arthur
Botrychium pedunculosum stalked moonwort Ophioglossaceae perennial rhizomatous herb Aug None None G3G4 S1 2B.1 USFS_S Grazing Meadows and seeps, Upper montane coniferous forest Granitic, Volcanic 1845 1845 6055 6055 2011-10-31 Photo of Botrychium pedunculosum
© 2011 Aaron E. Sims
Carex stevenii Steven's sedge Cyperaceae perennial rhizomatous herb Aug None None G4? S1 2B.2 Alpine boulder and rock field Dry (sometimes), Streambanks (sometimes) 2850 3385 9350 11105 2011-11-21
No Photo Available
Hesperocyparis abramsiana var. butanoensis Butano Ridge cypress Cupressaceae perennial evergreen tree Oct FT CE G1T1 S1 1B.2 SB_CalBG/RSABG Improper burning regime, Logging, Mining Chaparral, Closed-cone coniferous forest, Lower montane coniferous forest Sandstone 400 490 1310 1610 Yes 2011-12-19 Photo of Hesperocyparis abramsiana var. butanoensis
© 2011 Joey Malone
Astragalus nyensis Nye milk-vetch Fabaceae annual herb Apr-May None None G3? S1 1B.1 BLM_S; SB_CalBG/RSABG Development, Non-native plant impacts, ORV activity Mojavean desert scrub Alkaline (sometimes), Gravelly, Sandy 790 815 2590 2675 2011-12-27
No Photo Available
Ephedra torreyana Torrey's Mormon-tea Ephedraceae perennial evergreen shrub May None None G5 S1 2B.1 Development, Non-native plant impacts, ORV activity Great Basin scrub 765 810 2510 2660 2012-02-08
No Photo Available
Lagophylla dichotoma forked hare-leaf Asteraceae annual herb Apr-May None None G1 S1 1B.1 Cismontane woodland, Valley and foothill grassland Clay (sometimes) 45 335 150 1100 Yes 2012-03-13 Photo of Lagophylla dichotoma
© 2010 Chris Winchell
Penstemon pseudospectabilis ssp. pseudospectabilis desert beardtongue Plantaginaceae perennial herb Jan-May None None G4G5T4 S3 2B.2 ORV activity Mojavean desert scrub, Sonoran desert scrub Rocky (sometimes), Sandy (often), Washes (often) 80 1935 260 6350 2012-04-11
No Photo Available
Prosartes parvifolia Siskiyou bells Liliaceae perennial bulbiferous herb May-Sep None None G2 S2 1B.2 SB_UCSC; USFS_S Erosion/runoff, Foot traffic/trampling, Logging, Other, Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest, Upper montane coniferous forest Burned areas, Disturbed areas, Roadsides (often) 700 1525 2295 5005 2012-02-08 Photo of Prosartes parvifolia
©2010 Kjirsten Wayman
Cardamine angulata seaside bittercress Brassicaceae perennial herb (Jan)Mar-Jul None None G4G5 S3 2B.2 Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest, North Coast coniferous forest Streambanks 15 915 50 3000 2012-04-10 Photo of Cardamine angulata
© 2021 Scot Loring
Erysimum menziesii Menzies' wallflower Brassicaceae perennial herb Mar-Sep FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Development, Erosion/runoff, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Coastal dunes 0 35 0 115 Yes 1974-01-01 Photo of Erysimum menziesii
©2007 Steve Matson
Allium abramsii Abrams' onion Alliaceae perennial bulbiferous herb May-Jul None None G3 S3 1B.2 SB_SBBG Foot traffic/trampling Lower montane coniferous forest, Upper montane coniferous forest Granitic (often) 885 3050 2905 10005 Yes 2012-03-13 Photo of Allium abramsii
© 2018 Steve Matson
Sidalcea malviflora ssp. dolosa Bear Valley checkerbloom Malvaceae perennial herb May-Aug None None G4G5T2 S2 1B.2 SB_CalBG/RSABG; USFS_S Lower montane coniferous forest (meadows, seeps), Meadows and seeps, Riparian woodland, Upper montane coniferous forest (meadows, seeps) 1495 2685 4905 8810 Yes 2012-06-13
No Photo Available
Boechera evadens hidden rockcress Brassicaceae perennial herb May-Aug None None G1 S1 1B.3 USFS_S Upper montane coniferous forest Rocky 2560 2850 8400 9350 Yes 2012-04-11
No Photo Available
Agrostis lacuna-vernalis vernal pool bent grass Poaceae annual herb Apr-May None None G1 S1 1B.1 BLM_S; SB_SBBG Vernal pools (mima mounds) 115 145 375 475 Yes 2012-06-14 Photo of Agrostis lacuna-vernalis
© 2019 Aaron Schusteff
Plagiobothrys verrucosus warty popcornflower Boraginaceae annual herb Apr-May None None G4G5 S1 2B.1 Chaparral Shale 610 760 2000 2495 2012-08-21
No Photo Available
Artemisia tripartita ssp. tripartita threetip sagebrush Asteraceae perennial shrub Aug None None G5T4T5 S2 2B.3 Upper montane coniferous forest (openings) Rocky, Volcanic 2200 2600 7220 8530 2012-08-20 Photo of Artemisia tripartita ssp. tripartita
© 2013 Dean Wm. Taylor, Ph.D.
Eriogonum ovalifolium var. depressum depressed wild buckwheat Polygonaceae perennial herb (Jun)Jul-Aug(Sep) None None G5T4T5 S1 2B.1 Foot traffic/trampling, Grazing Great Basin scrub (playas), Playas 1725 1740 5660 5710 2012-08-23
No Photo Available
Cornus unalaschkensis bunchberry Cornaceae perennial rhizomatous herb May-Jul None None G5 S2 2B.2 Foot traffic/trampling, Logging, Non-native plant impacts, ORV activity, Other, Vandalism/dumping/litter Bogs and fens, Meadows and seeps, North Coast coniferous forest 60 1920 195 6300 2012-12-11 Photo of Cornus unalaschkensis
© 2021 Scot Loring
Erysimum concinnum bluff wallflower Brassicaceae annual/perennial herb Feb-Jul None None G3 S2 1B.2 BLM_S Development, Non-native plant impacts Coastal bluff scrub, Coastal dunes, Coastal prairie 0 185 0 605 2012-12-03 Photo of Erysimum concinnum
©2020 John Doyen
Erigeron lassenianus var. deficiens Plumas rayless daisy Asteraceae perennial herb Jun-Sep None None G3G4T2T3 S3 1B.3 SB_UCSC Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest Disturbed areas (sometimes), Gravelly, Serpentine (sometimes) 1360 1980 4460 6495 Yes 2012-09-28
No Photo Available
Castilleja ambigua var. meadii Mead's owls-clover Orobanchaceae annual herb (hemiparasitic) Apr-May None None G5T1 S1 1B.1 Non-native plant impacts Meadows and seeps, Vernal pools Clay, Gravelly, Volcanic 450 475 1475 1560 Yes 2013-01-03
No Photo Available
Monardella hypoleuca ssp. hypoleuca white-veined monardella Lamiaceae perennial herb (Apr)May-Aug(Sep-Dec) None None G4T3 S3 1B.3 SB_SBBG Foot traffic/trampling Chaparral, Cismontane woodland 50 1525 165 5005 Yes 2013-01-03
No Photo Available
Euphorbia jaegeri Orocopia Mountains spurge Euphorbiaceae perennial shrub Oct-May None None G1 S1 1B.1 BLM_S; SB_CalBG/RSABG Development, Mining, Road/trail construction/maint. Mojavean desert scrub Carbonate, Granitic, Gravelly (sometimes), Metamorphic, Rocky 600 850 1970 2790 Yes 2013-01-17 Photo of Euphorbia jaegeri
Keir Morse
Cryptantha wigginsii Wiggins' cryptantha Boraginaceae annual herb Feb-Jun None None G2 S1 1B.2 Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV), Vandalism/dumping/litter Coastal scrub Clay (often) 20 275 65 900 2013-05-21
No Photo Available
Erythranthe calcicola limestone monkeyflower Phrymaceae annual herb Apr-Jun None None G3 S3 1B.3 BLM_S; SB_CalBG/RSABG Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Carbonate (usually), Slopes (usually), Talus (usually) 915 2165 3000 7105 2013-06-24 Photo of Erythranthe calcicola
Steve Matson, 2017
Erythranthe carsonensis Carson Valley monkeyflower Phrymaceae annual herb Apr-Jun None None G2 S1 1B.1 SB_CalBG/RSABG Development Great Basin scrub (openings) Granitic 1480 1480 4855 4855 2013-06-19 Photo of Erythranthe carsonensis
Steve Matson, 2013
Erythranthe hardhamiae Santa Lucia monkeyflower Phrymaceae annual herb Mar-May None None G1 S1 1B.1 Development Chaparral (openings) Sandstone, Sandy, Serpentine (sometimes) 300 730 985 2395 Yes 2013-07-02 Photo of Erythranthe hardhamiae
Dylan Neubauer, 2014
Erythranthe rhodopetra Red Rock Canyon monkeyflower Phrymaceae annual herb Mar-Apr None None G1 S1 1B.1 BLM_S; SB_CalBG/RSABG Foot traffic/trampling, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Mojavean desert scrub Sandy, Washes 610 915 2000 3000 Yes 2013-07-08 Photo of Erythranthe rhodopetra
© 2015 Cindy Hopkins
Panicum hirticaule ssp. hirticaule roughstalk witch grass Poaceae annual herb Aug-Dec None None G5T5 S2 2B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, Mining, ORV activity Desert dunes, Joshua tree "woodland", Mojavean desert scrub, Sonoran desert scrub Sandy 45 1315 150 4315 2013-08-28
No Photo Available
Linanthus bernardinus Pioneertown linanthus Polemoniaceae annual herb Mar-May None None G1 S1 1B.2 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Non-native plant impacts Joshua tree "woodland", Pinyon and juniper woodland 1190 1340 3905 4395 Yes 2013-09-13
No Photo Available
Heteranthera dubia water star-grass Pontederiaceae perennial herb (aquatic) Jul-Oct None None G5 S2 2B.2 IUCN_LC Erosion/runoff, Recreational use (non-ORV) Marshes and swamps (alkaline, still, slow-moving water) Alkaline 30 1495 100 4905 2013-10-10 Photo of Heteranthera dubia
©2010 Louis-M. Landry
Erythranthe taylorii Shasta limestone monkeyflower Phrymaceae annual herb (Feb)Apr-May None None G2 S2 1B.1 Biocides, Logging, Non-native plant impacts, Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest Carbonate, Openings, Rocky 355 1070 1165 3510 Yes 2013-10-16 Photo of Erythranthe taylorii
© 2016 Steve Matson
Carex nardina nard sedge Cyperaceae perennial herb Aug-Sep None None G5 S1 2B.2 Subalpine coniferous forest Carbonate, Rocky 2105 2175 6905 7135 2013-10-28 Photo of Carex nardina
J. Mastrogiuseppe
Eriastrum rosamondense Rosamond eriastrum Polemoniaceae annual herb Apr-May(Jun-Jul) None None G1? S1? 1B.1 SB_CalBG/RSABG Chenopod scrub (openings), Vernal pools (edges) Alkaline, Sandy (often) 700 1175 2295 3855 Yes 2013-12-04
No Photo Available
Eriastrum ertterae Lime Ridge eriastrum Polemoniaceae annual herb Jun-Jul None CE G1 S1 1B.1 Foot traffic/trampling, Insufficient population/stand size, Non-native plant impacts, Other, Recreational use (non-ORV), Wood cutting or brush clearing Chaparral (edges, openings) Alkaline (sometimes), Sandy 200 290 655 950 Yes 2013-12-19 Photo of Eriastrum ertterae
© 2013 John Doyen
Monardella sinuata ssp. sinuata southern curly-leaved monardella Lamiaceae annual herb Apr-Sep None None G3T2 S2 1B.2 SB_UCSC Development, Non-native plant impacts, Other Chaparral, Cismontane woodland, Coastal dunes, Coastal scrub (openings) Sandy 0 300 0 985 Yes 2013-12-31 Photo of Monardella sinuata ssp. sinuata
© 2017 Keir Morse
Monardella sinuata ssp. nigrescens northern curly-leaved monardella Lamiaceae annual herb (Apr)May-Jul(Aug-Sep) None None G3T2 S2 1B.2 BLM_S; SB_SBBG Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint. Chaparral (SCR Co.), Coastal dunes, Coastal scrub, Lower montane coniferous forest (SCR Co., ponderosa pine sandhills) Sandy 0 300 0 985 Yes 2013-12-31 Photo of Monardella sinuata ssp. nigrescens
© 2014 John Doyen
Lagophylla diabolensis Diablo Range hare-leaf Asteraceae annual herb Apr-Sep None None G2 S2 1B.2 BLM_S; SB_SBBG Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland Clay 365 885 1200 2905 Yes 2014-01-17 Photo of Lagophylla diabolensis
© 2015 Ryan O'Dell
Polemonium eddyense Mt. Eddy sky pilot Polemoniaceae perennial herb Jun-Aug None None G1 S1 1B.2 SB_UCSC Foot traffic/trampling, Other Alpine boulder and rock field Rocky, Serpentine (sometimes) 2480 2750 8135 9025 Yes 2014-02-10 Photo of Polemonium eddyense
©2014 Eric White
Sulcaria spiralifera twisted horsehair lichen Parmeliaceae fruticose lichen (epiphytic) None None G3G4 S2 1B.2 BLM_S Development, Improper burning regime, Non-native plant impacts, ORV activity Coastal dunes (SLO Co.), North Coast coniferous forest (immediate coast) 0 90 0 295 2014-03-01 Photo of Sulcaria spiralifera
© 2021 Scot Loring
Calicium adspersum spiral-spored gilded-head pin lichen Caliciaceae crustose lichen (epiphytic) None None G3G4 S1 2B.2 USFS_S Improper burning regime, Logging Lower montane coniferous forest, North Coast coniferous forest 200 200 655 655 2014-03-01 Photo of Calicium adspersum
© 2014 Eric B. Peterson
Cladonia firma popcorn lichen Cladoniaceae squamulose lichen (terricolous) None None G4 S1 2B.1 Non-native plant impacts, Other Coastal dunes (stabilized), Coastal scrub 30 75 100 245 2014-03-01
No Photo Available
Hypogymnia schizidiata island tube lichen Parmeliaceae foliose lichen None None G2G3 S2 1B.3 Improper burning regime Chaparral, Closed-cone coniferous forest 360 405 1180 1330 2014-03-01
No Photo Available
Ramalina thrausta angel's hair lichen Ramalinaceae fruticose lichen (epiphytic) None None G5? S2S3 2B.1 Erosion/runoff, Logging, Other North Coast coniferous forest 75 430 245 1410 2014-03-01 Photo of Ramalina thrausta
© 2013 Scot Loring
Solorina spongiosa fringed chocolate chip lichen Peltigeraceae crustose lichen (terricolous) None None G5 S1 2B.2 Foot traffic/trampling, Grazing, Recreational use (non-ORV) Meadows and seeps, Subalpine coniferous forest (seeps) Carbonate 2895 2895 9500 9500 2014-03-01 Photo of Solorina spongiosa
© 2014 Martin Hutten
Sulcaria isidiifera splitting yarn lichen Alectoriaceae fruticose lichen (epiphytic) None None G1 S1 1B.1 BLM_S Development, Improper burning regime, Other, Over-collecting/poaching Coastal scrub (old growth) 20 30 65 100 Yes 2014-03-01
No Photo Available
Thamnolia vermicularis whiteworm lichen Icmadophilaceae fruticose lichen (terricolous) None None G5 S1 2B.1 Agriculture, Development, Foot traffic/trampling, Road/trail construction/maint. Chaparral, Valley and foothill grassland Rocky, Sandstone 90 90 295 295 2014-03-01 Photo of Thamnolia vermicularis
© 2021 Scot Loring
Limnanthes douglasii ssp. ornduffii Ornduff's meadowfoam Limnanthaceae annual herb Nov-May None None G4T1 S1 1B.1 SB_UCSC Agriculture, Disking, Non-native plant impacts Meadows and seeps 10 20 35 65 Yes 2014-03-18 Photo of Limnanthes douglasii ssp. ornduffii
© 2021 Eva Buxton
Climacium dendroides tree climacium moss Climaciaceae moss None None G5 S1 2B.1 Altered flood/tidal/hydrologic regime, Grazing, Improper burning regime Bogs and fens (edges), North Coast coniferous forest (streams) 1485 1485 4870 4870 2014-05-05 Photo of Climacium dendroides
©2021 Scot Loring
Grimmia torenii Toren's grimmia Grimmiaceae moss None None G2 S2 1B.3 BLM_S Chaparral, Cismontane woodland, Lower montane coniferous forest Carbonate, Openings, Rocky, Volcanic 325 1160 1065 3805 Yes 2014-05-14 Photo of Grimmia torenii
©2021 Scot Loring
Grimmia vaginulata vaginulate grimmia Grimmiaceae moss None None G3 S1 1B.1 BLM_S Improper burning regime Chaparral (openings) Carbonate, Rocky 685 685 2245 2245 2014-05-14
No Photo Available
Jaffueliobryum raui Rau's jaffueliobryum moss Grimmiaceae moss None None G4 S2 2B.3 ORV activity, Road/trail construction/maint. Alpine dwarf scrub, Chaparral, Mojavean desert scrub, Sonoran desert scrub Carbonate, Dry, Openings, Rock crevices 490 2100 1610 6890 2014-05-15 Photo of Jaffueliobryum raui
© 2021 Scot Loring
Jaffueliobryum wrightii Wright's jaffueliobryum moss Grimmiaceae moss None None G5 S2S3 2B.3 Alpine dwarf scrub, Mojavean desert scrub, Pinyon and juniper woodland Carbonate, Dry, Openings, Rock crevices 160 2500 525 8205 2014-05-15
No Photo Available
Meesia longiseta long seta hump moss Meesiaceae moss None None G5 S1 2B.3 Bogs and fens, Meadows and seeps, Upper montane coniferous forest Carbonate 1750 3045 5740 9990 2014-05-22
No Photo Available
Nardia hiroshii Hiroshi's flapwort Jungermanniaceae liverwort None None G4G5 S1 2B.3 Meadows and seeps Granitic 2195 2195 7200 7200 2014-06-02
No Photo Available
Lewinskya holzingeri Holzinger's bristle moss Orthotrichaceae moss None None G3G4 S2 1B.3 Cismontane woodland, Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest 715 1800 2345 5905 2014-06-03 Photo of Lewinskya holzingeri
© 2021 Scot Loring
Calystegia vanzuukiae Van Zuuk's morning-glory Convolvulaceae perennial rhizomatous herb May-Aug None None G2 S2 1B.3 BLM_S; SB_UCSC Dam/Inundation, Foot traffic/trampling, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland Gabbroic, Serpentine 500 1180 1640 3870 Yes 2014-07-16
No Photo Available
Calystegia felix lucky morning-glory Convolvulaceae annual rhizomatous herb Mar-Sep None None G1 S1 1B.1 Altered flood/tidal/hydrologic regime, Biocides, Development, Other Meadows and seeps (sometimes alkaline), Riparian scrub (alluvial) Alkaline (sometimes), Loam (sometimes) 30 215 100 705 Yes 2014-07-16 Photo of Calystegia felix
© 2015 Ron Vanderhoff
Triteleia piutensis Piute Mountains triteleia Themidaceae perennial bulbiferous herb May-Jun None None G1 S1 1B.1 BLM_S; SB_CalBG/RSABG Development Pinyon and juniper woodland Clay, Openings, Volcanic 1585 1655 5200 5430 Yes 2014-07-24
No Photo Available
Polemonium pulcherrimum var. shastense Mt. Shasta sky pilot Polemoniaceae perennial herb Jun-Sep None None G5T2 S2 1B.2 Foot traffic/trampling, Road/trail construction/maint. Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest Volcanic (sometimes) 2175 3900 7135 12795 Yes 2014-11-17 Photo of Polemonium pulcherrimum var. shastense
©2015 Neal Kramer
Cryptantha spithamaea Red Hills cryptantha Boraginaceae annual herb Apr-May None None G2 S2 1B.3 BLM_S; SB_UCSC Chaparral, Cismontane woodland Openings (sometimes), Serpentine, Streambanks (sometimes) 275 460 900 1510 2014-12-18
No Photo Available
Helianthus winteri Winter's sunflower Asteraceae perennial shrub Jan-Dec None None G2? S2? 1B.2 BLM_S; SB_CalBG/RSABG Agriculture, Foot traffic/trampling, Grazing, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland Granitic, Openings, Roadsides (often), Rocky (often), Slopes 125 460 410 1510 Yes 2014-10-15 Photo of Helianthus winteri
© 2014 Chris Winchell
Pohlia flexuosa flexuose threadmoss Mielichhoferiaceae moss None None G5 S1 2B.1 Lower montane coniferous forest Roadsides, Rocky, Seeps 950 1025 3115 3365 2014-10-10
No Photo Available
Erythranthe trinitiensis pink-margined monkeyflower Phrymaceae annual herb Jun-Jul(Aug) None None G2 S2 1B.3 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Foot traffic/trampling, Grazing, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Roadsides (often), Serpentine (often) 400 2285 1310 7495 Yes 2014-01-03 Photo of Erythranthe trinitiensis
© 2019 Steve Matson
Sedum citrinum Blue Creek stonecrop Crassulaceae perennial herb Jun None None G2 S2 1B.2 SB_UCSC Mining, Road/trail construction/maint. North Coast coniferous forest Roadsides (sometimes), Rock crevices, Rocky, Scree, Serpentine, Talus 1050 1280 3445 4200 Yes 2015-04-20 Photo of Sedum citrinum
©2014 Peter Zika
Monardella sinuata ssp. gerryi Gerry's curly-leaved monardella Lamiaceae annual herb Apr-Jun None CC G3T1 S1 1B.1 Agriculture, Development, Erosion/runoff, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Coastal scrub Openings, Sandy 150 245 490 805 Yes 2015-08-31 Photo of Monardella sinuata ssp. gerryi
© 2025 Adam Searcy
Carex cyrtostachya Sierra arching sedge Cyperaceae perennial herb May-Aug None None G2 S2 1B.2 Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Waterway bank protection/maintenance Lower montane coniferous forest (mesic), Marshes and swamps, Meadows and seeps, Riparian forest (margins) 610 1360 2000 4460 Yes 2015-08-18
No Photo Available
Puccinellia simplex California alkali grass Poaceae annual herb Mar-May None None G2 S2 1B.2 BLM_S Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Foot traffic/trampling, Landfill, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chenopod scrub, Meadows and seeps, Valley and foothill grassland, Vernal pools Alkaline, Flats, Lake Margins, Vernally Mesic 2 930 5 3050 2015-10-15 Photo of Puccinellia simplex
© 2017 Chris Winchell
Erythronium shastense Shasta fawn lily Liliaceae perennial bulbiferous herb (Feb)Mar-Apr None None G2 S2 1B.2 SB_UCSC Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest Carbonate (usually), Rocky 350 1020 1150 3345 Yes 2015-09-14 Photo of Erythronium shastense
© 2015 Len Lindstrand III
Antennaria sawyeri Sawyer's pussy-toes Asteraceae perennial herb Jun-Aug None None G2 S2 1B.2 Foot traffic/trampling Subalpine coniferous forest Gravelly (sometimes), Rocky (sometimes), Serpentine 2075 2430 6810 7975 Yes 2015-10-29 Photo of Antennaria sawyeri
©2015 Julie Kierstead Nelson
Vaccinium shastense ssp. shastense Shasta huckleberry Ericaceae perennial deciduous shrub (Jun-Sep)Dec-May None None G4T3 S3 1B.3 BLM_S; SB_UCSC Dam/Inundation, Mining, Non-native plant impacts, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest, Riparian forest, Subalpine coniferous forest Acidic, Disturbed areas, Mesic, Roadsides, Rocky, Seeps (sometimes), Streambanks (often) 325 1220 1065 4005 Yes 2015-12-15 Photo of Vaccinium shastense ssp. shastense
© 2016 Steve Matson
Spermolepis infernensis Hellhole scaleseed Apiaceae annual herb Mar-Apr None None G1 S1 1B.2 SB_CalBG/RSABG Sonoran desert scrub Rocky (sometimes), Sandy (sometimes) 230 670 755 2200 Yes 2016-01-21
No Photo Available
Spermolepis lateriflora western bristly scaleseed Apiaceae annual herb Mar-Apr None None G5 S2 2B.3 Sonoran desert scrub Rocky (sometimes), Sandy (sometimes) 310 845 1015 2770 2016-01-21 Photo of Spermolepis lateriflora
© 2020 Richard Spellenberg
Linanthus maculatus ssp. emaculatus Jacumba Mountains linanthus Polemoniaceae annual herb (Mar)Apr(May) None None G2T1 S1 1B.1 BLM_S; SB_CalBG/RSABG Development, ORV activity Desert dunes (edges), Sonoran desert scrub Decomposed granitic, Flats, Sandy, Washes 395 585 1295 1920 Yes 2016-01-27
No Photo Available
Navarretia paradoxiclara Patterson's navarretia Polemoniaceae annual herb May-Jun(Jul) None None G2 S2 1B.3 BLM_S Meadows and seeps Openings, Serpentine, Vernally Mesic 150 430 490 1410 Yes 2016-04-27
No Photo Available
Navarretia paradoxinota Porter's navarretia Polemoniaceae annual herb May-Jun(Jul) None None G2 S2 1B.3 BLM_S Development Meadows and seeps Openings, Serpentine, Vernally Mesic 165 840 540 2755 Yes 2016-04-27
No Photo Available
Carex xerophila chaparral sedge Cyperaceae perennial herb Mar-Jun None None G2 S2 1B.2 BLM_S; SB_UCSC Development, Improper burning regime, Non-native plant impacts, ORV activity, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Lower montane coniferous forest Gabbroic, Serpentine 279 770 915 2525 Yes 2016-06-06 Photo of Carex xerophila
© 2023 Steven Perry
Ceanothus decornutus Nicasio ceanothus Rhamnaceae perennial shrub Mar-May None None G1 S1 1B.2 SB_CalBG/RSABG Non-native plant impacts, Other Chaparral (maritime) Clay (sometimes), Rocky, Serpentine 235 290 770 950 Yes 2016-06-16 Photo of Ceanothus decornutus
© 2014 Vernon Smith
Streptanthus tortuosus ssp. truei True's mountain jewelflower Brassicaceae perennial herb Jun-Jul(Sep) None None G5T1T2 S1S2 1B.1 Road/trail construction/maint. Lower montane coniferous forest Rocky, Slopes 765 860 2510 2820 Yes 2016-07-20 Photo of Streptanthus tortuosus ssp. truei
© 2021 Robert E. Preston, Ph.D
Rosa woodsii var. glabrata Cushenbury rose Rosaceae perennial shrub (Apr)May-Aug None None G5T1 S1 1B.1 SB_CalBG/RSABG Mojavean desert scrub (springs) 910 1435 2985 4710 Yes 2016-08-26
No Photo Available
Eryngium jepsonii Jepson's coyote-thistle Apiaceae perennial herb Apr-Aug None None G2 S2 1B.2 SB_CalBG/RSABG Development, Grazing, Non-native plant impacts Valley and foothill grassland, Vernal pools Clay 3 300 10 985 Yes 2016-09-13
No Photo Available
Abutilon abutiloides shrubby Indian mallow Malvaceae perennial herb Aug-Nov None None G5 S1 2B.1 Other, Over-collecting/poaching Sonoran desert scrub Granitic, Rocky 855 900 2805 2955 2016-10-05 Photo of Abutilon abutiloides
© 2014 Wynn Anderson
Petalonyx linearis narrow-leaf sandpaper-plant Loasaceae perennial shrub (Jan-Feb)Mar-May(Jun-Dec) None None G4 S3? 2B.3 Mojavean desert scrub, Sonoran desert scrub Rocky (sometimes), Sandy (sometimes) -25 1115 -80 3660 2016-09-16
No Photo Available
Pleuridium mexicanum Mexican earthmoss Ditrichaceae moss None None G5 S1 2B.1 Chaparral Sandstone 440 440 1445 1445 2014-07-28
No Photo Available
Trifolium piorkowskii maverick clover Fabaceae annual herb Apr-May None None G2 S2 1B.2 Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland (mesic), Vernal pools Clay, Openings, Streambanks (often), Volcanic 160 680 525 2230 2016-11-10 Photo of Trifolium piorkowskii
©2018 Al Keuter
Eriodictyon sessilifolium sessile-leaved yerba santa Namaceae perennial shrub Jul None None G4 S1 2B.1 SB_CalBG/RSABG Road/trail construction/maint. Coastal scrub Volcanic 170 170 560 560 2017-01-18
No Photo Available
Lupinus paynei Payne's bush lupine Fabaceae perennial shrub Mar-Apr(May-Jul) None None G1Q S1 1B.1 Development, Non-native plant impacts Coastal scrub, Riparian scrub, Valley and foothill grassland Sandy 220 420 720 1380 Yes 2017-04-03
No Photo Available
Funastrum crispum wavyleaf twinvine Apocynaceae perennial herb May-Aug None None G4 S1 2B.2 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Non-native plant impacts, Over-collecting/poaching, Wood cutting or brush clearing Chaparral, Pinyon and juniper woodland 1165 1840 3820 6035 2016-12-29 Photo of Funastrum crispum
© 2016 Keir Morse
Chorizanthe minutiflora Fort Ord spineflower Polygonaceae annual herb Apr-Jul None None G1 S1 1B.2 BLM_S; SB_SBBG Chaparral (maritime), Coastal scrub Openings, Sandy 55 150 180 490 Yes 2017-01-17 Photo of Chorizanthe minutiflora
© 2019 Aaron Schusteff
Almutaster pauciflorus alkali marsh aster Asteraceae perennial herb Jun-Oct None None G4 S1S2 2B.2 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Other, Road/trail construction/maint. Meadows and seeps Alkaline 240 800 785 2625 2017-03-14 Photo of Almutaster pauciflorus
© 2014 Richard Spellenberg
Allium howellii var. sanbenitense San Benito onion Alliaceae perennial bulbiferous herb Apr-May None None G3G4T3 S3 1B.3 BLM_S; SB_SBBG Grazing, ORV activity Chaparral (openings), Valley and foothill grassland Clay, Slopes (often) 390 1365 1280 4480 Yes 2017-04-04 Photo of Allium howellii var. sanbenitense
© 2020 Ryan O'Dell
Erythranthe percaulis Serpentine Canyon monkeyflower Phrymaceae annual herb (Mar)May(Jun) None None G1 S1 1B.1 SB_UCSC Road/trail construction/maint. Chaparral, Lower montane coniferous forest (openings) Roadsides, Rocky, Seeps, Serpentine, Slopes 780 855 2560 2805 Yes 2017-04-25 Photo of Erythranthe percaulis
© 2019 Belinda Lo
Spergularia macrotheca var. longistyla long-styled sand-spurrey Caryophyllaceae perennial herb Feb-May None None G5T2 S2 1B.2 Development, Non-native plant impacts Marshes and swamps, Meadows and seeps Alkaline 0 255 0 835 Yes 2017-06-16 Photo of Spergularia macrotheca var. longistyla
© 2019 Steve Matson
Silene krantzii Krantz's catchfly Caryophyllaceae perennial herb Apr-Sep None None G1 S1 1B.2 SB_CalBG/RSABG Alpine dwarf scrub Gravelly (usually), Rocky (sometimes), Sandy (usually) 3235 3510 10615 11515 Yes 2017-07-19
No Photo Available
Erythranthe filicifolia fern-leaved monkeyflower Phrymaceae annual herb Apr-Jun None None G2 S2 1B.2 Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Surface water diversion Chaparral, Lower montane coniferous forest, Meadows and seeps (ephemeral) Granitic, Seeps 415 1710 1360 5610 Yes 2017-05-10 Photo of Erythranthe filicifolia
Belinda Lo, 2020
Anemone multifida var. multifida cut-leaf anemone Ranunculaceae perennial herb Apr-Jul None None G5T5 S1S2 2B.2 Other Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Carbonate (sometimes), Gravelly, Rocky, Volcanic (sometimes) 1700 2750 5580 9025 2017-08-28 Photo of Anemone multifida var. multifida
©2017 Dana York
Lomatium ravenii var. paiutense Paiute lomatium Apiaceae perennial herb Apr-Jun None None G4T4 S2? 2B.3 Grazing, Logging, Other, Road/trail construction/maint. Great Basin scrub Clay, Gravelly, Rocky, Volcanic 880 1680 2885 5510 2018-02-07
No Photo Available
Silene scouleri ssp. scouleri Scouler's catchfly Caryophyllaceae perennial herb (Mar-May)Jun-Aug(Sep) None None G5T4T5 S2S3 2B.2 Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Coastal bluff scrub, Coastal prairie, Valley and foothill grassland 0 600 0 1970 2017-12-13 Photo of Silene scouleri ssp. scouleri
©2015 Vernon Smith
Tidestromia eliassoniana Eliasson's woolly tidestromia Amaranthaceae annual herb Jul-Oct None None G5 S2 2B.2 Grazing Mojavean desert scrub Clay, Flats, Gravelly, Rocky, Volcanic 655 2105 2150 6905 2018-01-30
No Photo Available
Lomatium ravenii var. ravenii Raven's lomatium Apiaceae perennial herb Apr-Jun None None G4T2 S2 1B.3 BLM_S; SB_UCSC Other Great Basin scrub Adobe, Alkaline, Clay, Loam 1615 1775 5300 5825 Yes 2018-02-07
No Photo Available
Streptanthus anomalus Mount Burdell jewelflower Brassicaceae annual herb May-Jun None None G1 S1 1B.1 SB_CalBG/RSABG Foot traffic/trampling, Grazing Cismontane woodland (openings) Openings, Serpentine 50 150 165 490 Yes 2019-08-21 Photo of Streptanthus anomalus
© 2015 Aaron Schusteff
Downingia willamettensis Cascade downingia Campanulaceae annual herb Jun-Jul(Sep) None None G4 S2 2B.2 Cismontane woodland (lake margins), Valley and foothill grassland (lake margins), Vernal pools 15 1110 50 3640 2018-09-20
No Photo Available
Atriplex flavida Carrizo Plain crownscale Chenopodiaceae annual herb Mar-Jul None None G3 S3 1B.3 BLM_S; SB_SBBG Agriculture, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chenopod scrub, Valley and foothill grassland, Vernal pools Alkaline 585 605 1920 1985 Yes 2019-11-04
No Photo Available
Astragalus agrestis field milk-vetch Fabaceae perennial herb Apr-Jul(Aug) None None G5 S2 2B.2 BLM_S Agriculture, Foot traffic/trampling, Grazing, Other Great Basin scrub (vernally mesic), Meadows and seeps (vernally mesic) Vernally Mesic 1560 1650 5120 5415 2001-01-01 Photo of Astragalus agrestis
© 2015 Barry Breckling
Frasera albicaulis var. modocensis Modoc green-gentian Gentianaceae perennial herb May-Jul None None G5T3T4 S2S3 2B.3 Great Basin grassland, Upper montane coniferous forest (sometimes) Openings 900 1750 2955 5740 2018-12-10 Photo of Frasera albicaulis var. modocensis
©2009 Keir Morse
Nama demissa var. covillei Coville's purple mat Namaceae annual herb Feb-May None None G5T3 S3 1B.3 BLM_S Mojavean desert scrub Dry, Flats, Roadsides (often), Sandy, Slopes -85 1800 -280 5905 Yes 2018-05-30
No Photo Available
Chorizanthe aphanantha Irish Hills spineflower Polygonaceae annual herb Apr-Jun None None G1 S1 1B.1 BLM_S; SB_SBBG Chaparral (edges, openings), Coastal scrub Gravelly, Rocky, Serpentine 100 370 330 1215 Yes 2019-06-11 Photo of Chorizanthe aphanantha
© 2019 Keir Morse
Navarretia miwukensis Mi-Wuk navarretia Polemoniaceae annual herb May-Jun(Jul) None None G1G2 S1S2 1B.2 BLM_S; SB_UCSC Development, Logging, ORV activity Lower montane coniferous forest Openings 800 1500 2625 4920 Yes 2019-06-14
No Photo Available
Navarretia panochensis Panoche navarretia Polemoniaceae annual herb Apr-Aug None None G3 S3 1B.3 BLM_S ORV activity, Road/trail construction/maint. Chenopod scrub, Valley and foothill grassland Clay, Gravelly (often) 330 860 1085 2820 Yes 2019-12-31
No Photo Available
Claytonia peirsonii ssp. bernardinus San Bernardino spring beauty Montiaceae perennial herb Mar-Apr None None G2G3T1 S1 1B.1 SB_CalBG/RSABG Pinyon and juniper woodland, Upper montane coniferous forest Carbonate, Openings (usually), Rocky, Talus 2360 2465 7745 8090 Yes 2019-10-30
No Photo Available
Claytonia peirsonii ssp. californacis Furnace spring beauty Montiaceae perennial herb Mar-May None None G2G3T1 S1 1B.1 SB_CalBG/RSABG Pinyon and juniper woodland, Upper montane coniferous forest Carbonate, Openings (usually), Rocky, Talus 2300 2300 7545 7545 Yes 2019-10-30
No Photo Available
Claytonia peirsonii ssp. yorkii York's spring beauty Montiaceae perennial herb Mar-May None None G2G3T1 S1 1B.1 BLM_S ORV activity, Other Cismontane woodland Alkaline, Openings (usually), Rocky, Talus, Volcanic 1450 1505 4755 4940 Yes 2019-11-04
No Photo Available
Claytonia panamintensis Panamint spring beauty Montiaceae perennial herb Mar-May None None G2 S1 1B.1 Pinyon and juniper woodland (openings) Carbonate, Rocky, Talus 1825 1930 5990 6330 2019-11-04
No Photo Available
Ceanothus foliosus var. viejasensis Viejas Mountain ceanothus Rhamnaceae perennial shrub Mar-Jun None None G3T1 S1 1B.2 Chaparral (gabbroic) Gabbroic 785 1370 2575 4495 Yes 2019-01-30
No Photo Available
Ceanothus pendletonensis Pendleton ceanothus Rhamnaceae perennial shrub Mar-Jun None None G1 S1 1B.2 SB_CRES Chaparral, Cismontane woodland Granitic 110 870 360 2855 Yes 2019-01-30 Photo of Ceanothus pendletonensis
© 2019 Ron Vanderhoff
Ceanothus thyrsiflorus var. obispoensis San Luis Obispo ceanothus Rhamnaceae perennial shrub Jun None None G5T1 S1 1B.1 SB_UCSC Chaparral, Cismontane woodland 140 225 460 740 Yes 2019-01-30
No Photo Available
Lycium exsertum Arizona desert-thorn Solanaceae perennial shrub Jan-Mar None None G4G5 S1 2B.1 ORV activity Sonoran desert scrub Gravelly, Volcanic 2018-03-14
No Photo Available
Catabrosa aquatica water whorlgrass Poaceae perennial stoloniferous herb Jul-Sep None None G5 S1 2B.1 Foot traffic/trampling, Grazing, ORV activity Meadows and seeps Streambanks 2018-12-12
No Photo Available
Muhlenbergia utilis aparejo grass Poaceae perennial rhizomatous herb Mar-Oct None None G4 S2S3 2B.2 Development, Grazing Chaparral, Cismontane woodland, Coastal scrub, Marshes and swamps, Meadows and seeps Alkaline (sometimes), Serpentine (sometimes) 25 2325 80 7630 2019-07-10
No Photo Available
Oxytropis oreophila var. juniperina mountain oxytrope Fabaceae perennial herb Jun None None G5T4T5 S1 2B.1 Foot traffic/trampling, Non-native animal impacts, Non-native plant impacts, ORV activity Pinyon and juniper woodland 2150 2150 7055 7055 2020-06-12
No Photo Available
Lasthenia chrysantha alkali-sink goldfields Asteraceae annual herb Feb-Apr None None G2 S2 1B.1 Agriculture, Development, Grazing, Non-native plant impacts Vernal pools Alkaline 0 200 0 655 Yes 2019-09-30 Photo of Lasthenia chrysantha
© 2009 California State University, Stanislaus
Muhlenbergia emersleyi bullgrass Poaceae perennial herb Sep-Nov None None G5 S1 2B.2 Chaparral (montane) Gabbroic (often), Gravelly, Rocky 1280 1570 4200 5150 2019-07-26
No Photo Available
Orthocarpus bracteosus rosy orthocarpus Orobanchaceae annual herb Jun-Sep None None G3 S1 2B.1 Altered flood/tidal/hydrologic regime, Grazing, Other Meadows and seeps 1030 1850 3380 6070 2020-09-28 Photo of Orthocarpus bracteosus
©2016 Keir Morse
Sphenopholis interrupta ssp. californica prairie false oat Poaceae annual herb Apr None None G4T1 S1 1B.1 Agriculture, Insufficient population/stand size, Non-native plant impacts, Other Chaparral (coastal) Clay 15 15 50 50 2020-09-03
No Photo Available
Streptanthus juneae June's jewelflower Brassicaceae perennial herb Jun-Aug None None G2 S2 1B.2 SB_CalBG/RSABG Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (montane), Lower montane coniferous forest Openings 2155 2370 7070 7775 Yes 2020-12-09
No Photo Available
Streptanthus medeirosii Tejon jewelflower Brassicaceae perennial herb Jun-Sep None None G1 S1 1B.1 Development, Road/trail construction/maint. Cismontane woodland Carbonate, Granitic 1360 1880 4460 6170 Yes 2020-11-05 Photo of Streptanthus medeirosii
©2019 Neal Kramer
Nemacladus inyoensis Badger Flat threadplant Campanulaceae annual herb May-Jun None None G3 S3 1B.2 BLM_S Mining Mojavean desert scrub, Pinyon and juniper woodland Carbonate, Flats, Granitic, Gravelly, Rocky, Sandstone, Scree, Washes 1735 2635 5695 8645 Yes 2020-07-21 Photo of Nemacladus inyoensis
© 2019 Steve Matson
Sedum sanhedrinum Sanhedrin Mountain stonecrop Crassulaceae perennial herb May-Jul None None G2G3 S2S3 1B.2 Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Gabbroic, Metamorphic, Openings, Rock crevices, Rocky, Serpentine, Talus 1415 2285 4645 7495 2021-05-14 Photo of Sedum sanhedrinum
© 2014 Carex Working Group
Sedum rubiginosum Tedoc Mountain stonecrop Crassulaceae perennial herb Jun-Jul None None G1 S1 1B.2 Over-collecting/poaching Lower montane coniferous forest, Upper montane coniferous forest Openings, Rocky, Serpentine, Talus 1350 1500 4430 4920 2021-05-14 Photo of Sedum rubiginosum
© 2019 Steve Matson
Sedum patens Smith River stonecrop Crassulaceae perennial herb May-Jul None None G2 S2 1B.2 Lower montane coniferous forest Openings, Rock crevices, Rocky, Talus 90 210 295 690 2021-05-14
No Photo Available
Sedum marmorense Marble Mountains stonecrop Crassulaceae perennial herb Jul-Aug None None G1G2 S1S2 1B.2 Improper burning regime, Over-collecting/poaching Subalpine coniferous forest, Upper montane coniferous forest Openings, Rock crevices, Rocky, Talus 1875 2345 6150 7695 2021-05-14 Photo of Sedum marmorense
©2016 Dana York
Peltigera pacifica fringed pelt Peltigeraceae foliose lichen None None G3G4 S2 2B.2 Over-collecting/poaching, Recreational use (non-ORV), Wood cutting or brush clearing North Coast coniferous forest, Riparian forest Seeps 1320 1375 4330 4510 2021-06-07 Photo of Peltigera pacifica
©2013 Scot Loring
Monardella linoides ssp. anemonoides southern Sierra monardella Lamiaceae perennial herb Jun-Aug None None G5T2 S2 1B.3 Chaparral, Cismontane woodland, Lower montane coniferous forest 670 2450 2200 8040 Yes 2021-05-28
No Photo Available
Monardella australis ssp. occidentalis southwestern mountain monardella Lamiaceae perennial herb Jun-Jul None None G4T1 S1 1B.1 SB_SBBG Wood cutting or brush clearing Chaparral (montane), Upper montane coniferous forest Clay, Loam, Rocky, Scree 1890 2435 6200 7990 2021-02-03
No Photo Available
Allium geyeri var. tenerum bulbil onion Alliaceae perennial bulbiferous herb May None None G4G5T4T5 S1 2B.1 Meadows and seeps Rocky, Streambanks 1495 1495 4905 4905 2021-02-03 Photo of Allium geyeri var. tenerum
© 2011 Ryan Batten
Silene hookeri Hooker's catchfly Caryophyllaceae perennial herb (Mar)May-Jul None None G4 S2 2B.2 Other, Wood cutting or brush clearing Chaparral, Cismontane woodland, Lower montane coniferous forest Openings (often), Rocky (sometimes), Serpentine (sometimes), Slopes (sometimes) 150 1260 490 4135 2021-07-30 Photo of Silene hookeri
©2014 John Doyen
Silene bolanderi Bolander's catchfly Caryophyllaceae perennial herb May-Jun None None G2 S2 1B.2 BLM_S Chaparral (edges), Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, North Coast coniferous forest Openings (usually), Roadsides (sometimes), Rocky (sometimes), Serpentine (sometimes) 420 1150 1380 3775 2021-07-30 Photo of Silene bolanderi
© 2022 Kjirsten Wayman
Pedicularis rigginsiae Arroyo de la Cruz lousewort Orobanchaceae perennial herb (hemiparasitic) Jan-May None None G1 S1 1B.1 Wood cutting or brush clearing Chaparral (maritime) Clay 100 155 330 510 Yes 2021-02-17
No Photo Available
Claytonia crawfordii Crawford's spring beauty Montiaceae perennial herb Apr-May None None G1 S1 1B.2 Logging Upper montane coniferous forest Openings, Rocky, Volcanic 1540 1920 5055 6300 2021-10-14
No Photo Available
Monardella mojavensis Granite Mountains monardella Lamiaceae shrub May-Aug None None G2 S2 1B.3 Mojavean desert scrub, Pinyon and juniper woodland Carbonate (rarely), Granitic (usually), Gravelly, Rocky, Sandy, Slopes, Washes 800 1700 2625 5580 2022-03-15
No Photo Available
Erythranthe serpentinicola Irish Hills monkeyflower Phrymaceae annual herb Feb-May None None G1 S1 1B.1 Foot traffic/trampling, Other Chaparral (openings), Meadows and seeps (edges) Mesic, Openings, Rocky, Serpentine 60 360 195 1180 2022-03-30
No Photo Available
Zeltnera namophila spring-loving centaury Gentianaceae annual herb Jul-Sep FT None G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Groundwater pumping, ORV activity Meadows and seeps (alkaline) 400 640 1310 2100 2022-02-25
No Photo Available
Castilleja ambigua var. heckardii Heckard's owl's-clover Orobanchaceae annual herb May-Jul None None G5T1 S1 1B.1 Coastal prairie Openings, Sandy, Vernally Mesic 50 180 165 590 2022-04-07 Photo of Castilleja ambigua var. heckardii
© 2006 Dave Hacker
Monardella breweri ssp. glandulifera Brown's Flat monardella Lamiaceae annual herb May-Aug None None G5T1 S1 1B.2 Chaparral, Lower montane coniferous forest Dry, Openings 1300 1500 4265 4920 2022-05-20
No Photo Available
Monardella australis ssp. gabrielensis San Gabriel Mountains monardella Lamiaceae shrub Jul-Sep None None G4T2 S2 1B.2 Broadleafed upland forest, Chaparral (montane), Lower montane coniferous forest Granitic, Openings 1600 2200 5250 7220 2022-05-23
No Photo Available
Dermatocarpon meiophyllizum silverskin lichen Verrucariaceae foliose lichen (aquatic) None None G3G5 S3 2B.3 Coastal prairie, Lower montane coniferous forest, North Coast coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Lake Margins, Rocky, Streambanks 295 3495 970 11465 2022-07-14
No Photo Available
Cryptantha pterocarya var. stenoloba narrow-lobed cryptantha Boraginaceae annual herb Mar-Apr None None G5T2T3 S1 2B.1 ORV activity Desert dunes Granitic, Gravelly, Rocky, Sandy 155 365 510 1200 2022-07-18
No Photo Available
Monardella breweri ssp. microcephala small-headed monardella Lamiaceae annual herb May-Aug None None G5T3 S2 2B.2 Chaparral, Cismontane woodland, Lower montane coniferous forest Disturbed areas (sometimes), Granitic, Openings 230 1200 755 3935 2022-07-22
No Photo Available
Camissonia lacustris grassland suncup Onagraceae annual herb Mar-Jun None None G2 S2 1B.2 Dam/Inundation, Development, Non-native plant impacts, Road/trail construction/maint. Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland Granitic, Gravelly, Serpentine 180 1220 590 4005 2022-09-19 Photo of Camissonia lacustris
© 2021 Ryan O'Dell
Platismatia lacunosa crinkled rag lichen Parmeliaceae foliose lichen (epiphytic) None None G4 S2? 2B.3 Other North Coast coniferous forest, Riparian woodland 20 2000 65 6560 2022-09-28 Photo of Platismatia lacunosa
© 2014 Chris Wagner
Scytinium siskiyouense Siskiyou jellyskin lichen Collemataceae foliose lichen None None G2G3 S1S2 1B.1 Improper burning regime Lower montane coniferous forest, North Coast coniferous forest 635 1460 2085 4790 2022-10-13
No Photo Available
Erigeron conditii Condit's fleabane daisy Asteraceae perennial herb May-Jul None None G1 S1 1B.1 Riparian forest Openings 60 215 195 705 2022-11-17
No Photo Available
Penstemon clevelandii var. mohavensis Mojave beardtongue Plantaginaceae perennial herb Mar-May None None G5T3? S2 1B.2 Mojavean desert scrub, Pinyon and juniper woodland Granitic (often), Rocky 925 1620 3035 5315 2022-11-28 Photo of Penstemon clevelandii var. mohavensis
© 2018 Lisa Schauer
Hoffmannseggia peninsularis Baja peninsula rushpea Fabaceae perennial shrub Jan-Mar None None G2 S1 1B.1 Sonoran desert scrub Gravelly, Metamorphic (sometimes), Rocky, Volcanic (sometimes) 255 275 835 900 2023-01-20 Photo of Hoffmannseggia peninsularis
© 2019 Joey Malone
Layia erubescens blushing layia Asteraceae annual herb (Feb)Mar-May(Jun) None None G2 S2 1B.2 Non-native plant impacts Coastal dunes, Coastal scrub Openings, Sandy 10 245 35 805 2023-01-30 Photo of Layia erubescens
© 2023 Adonis (Don) Tate
Eryngium montereyense Fort Ord button-celery Apiaceae perennial herb Mar-May None None G1 S1 1B.1 BLM_S Vernal pools Sandy, Vernally Mesic 120 180 395 590 2023-02-08
No Photo Available
Isoetes minima Columbia quillwort Isoetaceae perennial cormiferous herb Jun None None G1G2 S1 1B.1 BLM_S Meadows and seeps Vernally Mesic 2190 2190 7185 7185 2023-03-29
No Photo Available
Aphyllon robbinsii Robbins' broomrape Orobanchaceae annual herb (achlorophyllous) Apr-Jul None None G1 S1 1B.1 Development, Foot traffic/trampling, Non-native plant impacts, Other Coastal bluff scrub Rocky, Sandy 0 100 0 330 Yes 2023-03-28 Photo of Aphyllon robbinsii
© 2017 Dylan Neubauer
Allium incomptum Minnesota Mountain onion Alliaceae perennial bulbiferous herb Apr-May None None G1 S1 1B.3 Chaparral, Lower montane coniferous forest Gravelly, Openings, Rocky 1185 1295 3890 4250 2023-04-05 Photo of Allium incomptum
© 2023 Julie Kierstead
Agave simplex lonesome agave Agavaceae perennial leaf May-Jul None None G4 S2S3 2B.3 Mojavean desert scrub, Pinyon and juniper woodland, Sonoran desert scrub Carbonate, Granitic, Rocky, Shale, Volcanic 320 1680 1050 5510 2023-03-10 Photo of Agave simplex
© 2007 Charles E. Jones
Nemacladus twisselmannii var. botanywomaniae Botany Woman's threadplant Campanulaceae annual herb Apr(May) None None G1T1 S1 1B.1 Erosion/runoff, Non-native plant impacts Chaparral Sandy 1170 1215 3840 3985 2023-03-22 Photo of Nemacladus twisselmannii var. botanywomaniae
© 2012 Keir Morse
Calycadenia spicata spicate calycadenia Asteraceae annual herb May-Sep None None G3? S3 1B.3 Cismontane woodland, Valley and foothill grassland Adobe, Clay, Disturbed areas, Dry, Gravelly, Openings, Roadsides, Rocky 40 1400 130 4595 2023-04-05 Photo of Calycadenia spicata
© 2023 Christopher Bronny
Galium argense Argus bedstraw Rubiaceae perennial herb Apr-Jul(Oct) None None G1G2 S2 1B.3 BLM_S Joshua tree "woodland", Pinyon and juniper woodland Granitic, Rocky, Sandy 1275 2410 4185 7905 2023-05-16
No Photo Available
Lomatium kogholiini Wailaki lomatium Apiaceae perennial herb Apr-Jun None None G1 S1 1B.2 Lower montane coniferous forest Serpentine 450 1250 1475 4100 2023-06-13
No Photo Available
Nemacladus bellus beautiful threadplant Campanulaceae annual herb (Apr)May-Jul None None G2 S2 1B.3 BLM_S Cismontane woodland, Joshua tree "woodland" Granitic, Gravelly, Sandy 800 1800 2625 5905 2023-08-02 Photo of Nemacladus bellus
© 2018 Keir Morse
Keckiella rothrockii var. jacintensis San Jacinto Mountains keckiella Plantaginaceae perennial shrub (Jun)Jul-Aug(Sep) None None G4T2T3 S2S3 1B.3 Upper montane coniferous forest Granitic 2225 2995 7300 9825 2023-11-20 Photo of Keckiella rothrockii var. jacintensis
© 2013 Keir Morse
Syntrichia lithophila Dusen's twisted moss Pottiaceae moss (saxicolous) None None G4 S1 2B.3 Great Basin scrub, Pinyon and juniper woodland 1280 1280 4200 4200 2023-08-25
No Photo Available
Aphyllon epigalium ssp. notocalifornicum Southern California galium broomrape Orobanchaceae annual/perennial herb (parasitic) Jun(Jul) None None G4T2 S2 1B.3 Cismontane woodland, Lower montane coniferous forest, Riparian forest 1200 1535 3935 5035 2023-08-09 Photo of Aphyllon epigalium ssp. notocalifornicum
Keir Morse
Stuckenia striata broadleaf pondweed Potamogetonaceae perennial rhizomatous (aquatic) (Jun)Jul-Aug None None G4G5 S2S3 2B.3 Marshes and swamps -70 2135 -230 7005 2024-01-30
No Photo Available
Phacelia saxicola stonecrop phacelia Hydrophyllaceae annual herb Apr-Jun(Jul) None None G3? S2 2B.3 Other Great Basin scrub Gravelly, Rocky, Volcanic 1270 1890 4165 6200 2024-03-07 Photo of Phacelia saxicola
© 2019 Aaron Schusteff
Phacelia damnationensis Damnation Pass phacelia Hydrophyllaceae perennial herb Jun-Sep None None G2 S2 1B.3 BLM_S Improper burning regime, Logging, ORV activity, Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest Gravelly, Metamorphic, Openings, Roadsides, Rocky, Sandstone, Shale, Talus 1005 1440 3295 4725 2024-03-07 Photo of Phacelia damnationensis
© 2023 Julie Kierstead Nelson
Holodiscus discolor var. cedrorum Cedars oceanspray Rosaceae perennial deciduous shrub (Apr)May-Jun(Jul) None None G5T1 S1 1B.3 BLM_S Chaparral (sometimes), Closed-cone coniferous forest Serpentine 170 540 560 1770 2024-04-11 Photo of Holodiscus discolor var. cedrorum
© 2024 Aaron Arthur
Schoenoplectiella saximontana Rocky Mountain bulrush Cyperaceae annual rhizomatous herb (Mar-May)Jun-Sep(Oct) None None G5 S2 2B.1 Agriculture, Altered flood/tidal/hydrologic regime, Development, Other, Recreational use (non-ORV) Marshes and swamps (margins), Vernal pools Sandy (often) 45 720 150 2360 2024-04-11 Photo of Schoenoplectiella saximontana
Steve Matson
Malacothamnus astrotentaculatus starry-tentacled bushmallow Malvaceae perennial deciduous shrub Jun-Jul(Aug-Sep) None None G2 S2 1B.3 BLM_S Biocides, Logging Chaparral, Cismontane woodland, Riparian woodland Burned areas 285 1455 935 4775 Yes 2024-04-29 Photo of Malacothamnus astrotentaculatus
© 2023 Keir Morse
Sedum paradisum ssp. subroseum Plumas stonecrop Crassulaceae perennial herb Jun-Aug(Sep) None None G3G4T2 S2 1B.2 Foot traffic/trampling, Other, Over-collecting/poaching, Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest Granitic, Openings, Rocky, Serpentine, Volcanic 1305 2165 4280 7105 Yes 2024-05-24 Photo of Sedum paradisum ssp. subroseum
© 2022 Kirsten Bovee
Malacothamnus eastwoodiae Alice's lovely bushmallow Malvaceae perennial deciduous shrub May-Jun(Aug) None None G1 S1 1B.1 Chaparral (maritime), Coastal scrub, Riparian woodland Edges, Sandy, Shale 25 130 80 425 Yes 2024-05-09 Photo of Malacothamnus eastwoodiae
© 2023 Keir Morse
Pentagramma rebmanii Rebman's silverback fern Pteridaceae perennial rhizomatous herb None None G3 S3 1B.3 Development, Grazing, Non-native plant impacts, Other, Vandalism/dumping/litter Chaparral, Cismontane woodland, Riparian woodland Clay (sometimes), Decomposed granitic (sometimes), Gabbroic (sometimes), Granitic (often), Mesic, Rock crevices (sometimes), Rocky (often), Seeps, Slopes, Streambanks 175 1760 575 5775 2024-05-21
No Photo Available
Malacothamnus discombobulatus discombobulating bushmallow Malvaceae perennial deciduous shrub (Jun)Jul-Aug(Sep-Oct) None None G2 S2 1B.2 Altered flood/tidal/hydrologic regime, Dam/Inundation, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland Burned areas 150 710 490 2330 Yes 2024-06-17 Photo of Malacothamnus discombobulatus
© 2023 Keir Morse
Atriplex gypsophila gypsum-loving crownscale Chenopodiaceae annual herb Apr-Jun None None G2G3 S2S3 1B.3 BLM_S Chenopod scrub, Valley and foothill grassland Clay 185 770 605 2525 Yes 2024-07-11
No Photo Available
Dudleya chasmophyta Santiago Canyon dudleya Crassulaceae perennial herb May-Jun None None G1 S1 1B.1 Erosion/runoff, Improper burning regime, Insufficient population/stand size, Other, Over-collecting/poaching Chaparral, Coastal scrub Rocky 475 515 1560 1690 Yes 2024-08-28
No Photo Available
Mentzelia ravenii Raven's blazing-star Loasaceae annual herb Mar-May None None GNR S2 1B.3 Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Decomposed granitic, Flats, Gravelly, Roadsides, Sandy, Slopes, Washes 800 1100 2625 3610 Yes 2025-03-11
No Photo Available
Arctostaphylos nipumu Nipomo Mesa manzanita Ericaceae perennial evergreen shrub Jan-Mar(Apr-Dec) None None G1 S1 1B.1 Agriculture, Development, Disking, Hybridization, Improper burning regime, Non-native plant impacts, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime, sandy) Sandy 18 155 60 510 Yes 2025-03-20
No Photo Available
Oenothera deltoides ssp. julpunensis Bay Miwok evening primrose Onagraceae annual/perennial herb Apr-Jun None None G5T1 S1 1B.1 Development, Non-native plant impacts, Road/trail construction/maint. Inland dunes Openings, Sandy 5 15 15 50 Yes 2025-04-29
No Photo Available
Carex holmgreniorum Holmgren's sedge Cyperaceae perennial rhizomatous herb May-Sep None None G1G3 S1 2B.2 Altered flood/tidal/hydrologic regime, Improper burning regime Meadows and seeps, Playas Alkaline 1275 1275 4185 4185 2025-06-11 Photo of Carex holmgreniorum
© 2023 Steve Matson
Xylorhiza panamintensis Panamint desert-aster Asteraceae perennial evergreen shrub (Apr-Nov)Dec-Feb None None G1G2 S1S2 1B.3 Mojavean desert scrub Carbonate, Rocky 715 1300 2345 4265 Yes 2025-06-30
No Photo Available
Lewisia taylorii Trinity lewisia Montiaceae perennial herb May-Jun None None G2G3 S2S3 1B.3 Chaparral, Lower montane coniferous forest Gravelly, Rocky, Shale 780 1275 2560 4185 Yes 2025-08-11 Photo of Lewisia taylorii
© 2016 Sierra Pacific Industries

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Suggested Citation:
California Native Plant Society, Rare Plant Program. 2026. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 10 April 2026].
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