CNPS

CNPS Rare Plant Inventory


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189 matches found. Click on scientific name for details

Search Criteria: Common Name starts with P

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
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
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
No Photo Available
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
No Photo Available
Arctostaphylos pechoensis Pecho manzanita Ericaceae perennial evergreen shrub Nov-Mar None None G2 S2 1B.2 SB_CalBG/RSABG Chaparral, Closed-cone coniferous forest, Coastal scrub 125 850 410 2790 Yes 1974-01-01
No Photo Available
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
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
Allium fimbriatum var. purdyi Purdy's onion Alliaceae perennial bulbiferous herb Apr-Jun None None G4G5T3 S3 4.3 SB_UCSC Chaparral, Cismontane woodland Clay, Serpentine 300 600 985 1970 Yes 1980-01-01 Photo of Allium fimbriatum var. purdyi
© 2014 Steve Matson
Allium parishii Parish's onion Alliaceae perennial bulbiferous herb Apr-May None None G3 S3 4.3 Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Rocky 900 1735 2955 5695 1974-01-01 Photo of Allium parishii
© 2010 Justin M. Wood
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
Calochortus clavatus var. avius Pleasant Valley mariposa-lily Liliaceae perennial bulbiferous herb May-Jul None None G4T2 S2 1B.2 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
No Photo Available
Calystegia peirsonii Peirson's morning-glory Convolvulaceae perennial rhizomatous herb Apr-Jun None None G4 S4 4.2 Grazing Chaparral, Chenopod scrub, Cismontane woodland, Coastal scrub, Lower montane coniferous forest, Valley and foothill grassland 30 1500 100 4920 Yes 1974-01-01
No Photo Available
Eremothera boothii ssp. alyssoides Pine Creek evening-primrose Onagraceae annual herb Apr-Aug None None G5T4 S4 4.3 Great Basin scrub Gravelly, Sandy 600 1700 1970 5580 1980-01-01
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 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
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
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
Atriplex parishii Parish's brittlescale Chenopodiaceae annual herb Jun-Oct None None G1G2 S1 1B.1 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
Baccharis plummerae ssp. plummerae Plummer's baccharis Asteraceae perennial deciduous shrub May-Oct None None G3T3 S3 4.3 SB_CalBG/RSABG Broadleafed upland forest, Chaparral, Cismontane woodland, Coastal scrub Rocky 5 425 15 1395 Yes 1980-01-01
No Photo Available
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
No Photo Available
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
Harpagonella palmeri Palmer's grapplinghook Boraginaceae annual herb Mar-May None None G4 S3 4.2 SB_CalBG/RSABG; SB_CRES Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Military operations, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion Chaparral, Coastal scrub, Valley and foothill grassland Clay, Openings 20 955 65 3135 1980-01-01 Photo of Harpagonella palmeri
© 2015 Keir Morse
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
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 nutans Providence Mountains milk-vetch Fabaceae annual herb Mar-Jun(Oct) None None G3 S3 4.3 SB_CalBG/RSABG Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland, Sonoran desert scrub Gravelly (sometimes), Sandy (sometimes) 450 1950 1475 6400 Yes 1974-01-01
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
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
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
Castilleja uliginosa Pitkin Marsh paintbrush Orobanchaceae perennial herb (hemiparasitic) Jun-Jul None CE GXQ SX 1A Grazing, Other Marshes and swamps (freshwater) 240 240 785 785 Yes 1974-01-01 Photo of Castilleja uliginosa
© 2002 John Game
Caulanthus simulans Payson's jewelflower Brassicaceae annual herb (Feb)Mar-May(Jun) None None G4 S4 4.2 SB_CRES; USFS_S Dam/Inundation, Development, Road/trail construction/maint. Chaparral, Coastal scrub Granitic, Sandy 90 2200 295 7220 Yes 1974-01-01
No Photo Available
Ceanothus gloriosus var. gloriosus Point Reyes ceanothus Rhamnaceae perennial evergreen shrub Mar-May None None G4T4 S4 4.3 SB_CalBG/RSABG Closed-cone coniferous forest, Coastal bluff scrub, Coastal dunes, Coastal scrub Sandy 5 520 15 1705 Yes 1974-01-01
No Photo Available
Chaenactis parishii Parish's chaenactis Asteraceae perennial herb May-Jul None None G3G4 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
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
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 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 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
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
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
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
Ericameria palmeri var. palmeri Palmer's goldenbush Asteraceae perennial evergreen shrub (Jul)Sep-Nov None None G4T2? S2 1B.1 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 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
Lyrocarpa coulteri Palmer's lyrepod Brassicaceae perennial herb Dec-Apr None None G4G5 S4 4.3 Sonoran desert scrub (gravelly, rocky) 120 795 395 2610 1980-01-01
No Photo Available
Pogogyne floribunda profuse-flowered pogogyne Lamiaceae annual herb May-Sep(Oct) None None G4 S3? 4.2 Development, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Vernal pools Clay 945 1745 3100 5725 1994-01-01 Photo of Pogogyne floribunda
© 2012 Dean Wm. Taylor, Ph.D.
Erythranthe diffusa Palomar monkeyflower Phrymaceae annual herb Apr-Jun None None G4 S3 4.3 SB_CalBG/RSABG Chaparral, Lower montane coniferous forest Gravelly (sometimes), Sandy (sometimes) 1220 1830 4005 6005 1974-01-01 Photo of Erythranthe diffusa
Ron Vanderhoff, 2019
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
Sanicula peckiana Peck's sanicle Apiaceae perennial herb Mar-Jun None None G4 S3 4.3 Chaparral, Lower montane coniferous forest Serpentine (often) 150 800 490 2625 1974-01-01 Photo of Sanicula peckiana
©2017 Steve Matson
Eriogonum microthecum 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 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
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 neglecta pine green-gentian Gentianaceae perennial herb May-Jul None None G4 S4 4.3 SB_CalBG/RSABG; SB_SBBG Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest 1400 2500 4595 8205 Yes 1980-01-01
No Photo Available
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
No Photo Available
Fritillaria purdyi Purdy's fritillary Liliaceae perennial bulbiferous herb Mar-Jun None None G4 S4 4.3 SB_UCSC Chaparral, Cismontane woodland, Lower montane coniferous forest Serpentine (usually) 175 2255 575 7400 1974-01-01 Photo of Fritillaria purdyi
Aaron Schusteff, 2004
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
Gentiana prostrata pygmy gentian Gentianaceae perennial herb Jul-Aug None None G4G5 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
Hackelia brevicula Poison Canyon stickseed Boraginaceae perennial herb Jul-Aug None None G3 S3 3.3 Grazing Broadleafed upland forest, Great Basin scrub, Subalpine coniferous forest Openings, Rocky (often) 2600 3200 8530 10500 1974-01-01 Photo of Hackelia brevicula
© 2015 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
Horkelia marinensis Point Reyes horkelia Rosaceae perennial herb May-Sep None None G2 S2 1B.2 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
Ivesia pickeringii Pickering's ivesia Rosaceae perennial herb Jun-Aug(Oct) None None G2 S2 1B.2 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 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
Lathyrus splendens pride-of-California Fabaceae perennial herb Mar-Jun None None G4 S4 4.3 SB_CalBG/RSABG Chaparral 200 1525 655 5005 1974-01-01 Photo of Lathyrus splendens
© 2012 Ron Clark
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
Lilium washingtonianum ssp. purpurascens purple-flowered Washington lily Liliaceae perennial bulbiferous herb Jun-Aug None None G4T4 S3S4 4.3 Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Serpentine (often) 70 2750 230 9025 1974-01-01 Photo of Lilium washingtonianum ssp. purpurascens
© 2016 Barry Rice
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
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
Lupinus magnificus var. magnificus Panamint Mountains lupine Fabaceae perennial herb Apr-Jun(Jul) None None G3T3 S3 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 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
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
Malacothamnus parishii Parish's bush-mallow 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
Melica spectabilis purple onion grass Poaceae perennial rhizomatous herb May-Jul None None G5 S4 4.3 Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Mesic 1200 2600 3935 8530 1988-01-01
No Photo Available
Sabulina rosei Peanut sandwort Caryophyllaceae perennial herb May-Jul None None G3 S3 4.2 USFS_S Lower montane coniferous forest (serpentinite) 750 1525 2460 5005 Yes 1980-01-01 Photo of Sabulina rosei
©2017 Belinda Lo
Phacelia parishii Parish's phacelia Hydrophyllaceae annual herb Apr-May(Jun-Jul) None None G2G3 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
Trifolium gymnocarpon Plummer's clover Fabaceae perennial herb May-Jun None None G5T4 S2 2B.3 Grazing, Other Great Basin scrub, Pinyon and juniper woodland 1500 1920 4920 6300 2001-01-01
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
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
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
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
Tonestus peirsonii Peirson's tonestus Asteraceae perennial herb Jul-Aug None None G3 S3 4.3 Alpine boulder and rock field, Subalpine coniferous forest (rocky) Granitic 2900 3700 9515 12140 Yes 1974-01-01
No Photo Available
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
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
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
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
Pyrrocoma racemosa var. pinetorum pine pyrrocoma Asteraceae perennial herb Jul-Sep None None G5T3 S3 4.2 Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest 600 1700 1970 5580 Yes 2001-01-01
No Photo Available
Rosa pinetorum pine rose Rosaceae perennial shrub May-Jul None None G2 S2 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
Phacelia inundata playa phacelia Hydrophyllaceae annual herb May-Aug(Sep) None None G2 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
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
Poa piperi Piper's blue grass Poaceae perennial rhizomatous herb Apr-May None None G4 S3 4.3 Chaparral, Lower montane coniferous forest Rocky, Serpentine 100 1460 330 4790 1974-01-01 Photo of Poa piperi
© 2021 Scot Loring
Rupertia rigida Parish's rupertia Fabaceae perennial herb Jun-Aug None None G4 S4 4.3 SB_CRES Chaparral, Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, Pebble (Pavement) plain, Valley and foothill grassland 700 2500 2295 8205 1974-01-01
No Photo Available
Puccinellia parishii Parish's alkali grass Poaceae annual herb Apr-May None None G2G3 S1 1B.1 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
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
Sedum flavidum pale yellow stonecrop Crassulaceae perennial herb May-Jul None None G3 S3 4.3 SB_CalBG/RSABG Grazing, Logging, Mining, Other, Road/trail construction/maint. Broadleafed upland forest, Chaparral, Lower montane coniferous forest, Upper montane coniferous forest Openings, Rocky, Serpentine, Talus, Volcanic 355 2155 1165 7070 Yes 1980-01-01 Photo of Sedum flavidum
©2012 Julie Kierstead Nelson
Sidalcea hickmanii ssp. parishii Parish's checkerbloom Malvaceae perennial herb (May)Jun-Aug None CR G2T1 S1 1B.2 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
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 lemmonii var. pubescens pubescent needle grass Poaceae perennial herb May-Jul None None G5T1?Q S1? 3.2 Chaparral, Lower montane coniferous forest Serpentine 1030 1315 3380 4315 Yes 1994-01-01
No Photo Available
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
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
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
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
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
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
No Photo Available
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
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
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
No Photo Available
Calochortus panamintensis Panamint mariposa lily Liliaceae perennial bulbiferous herb Jun-Jul None None G3 S3 4.2 SB_CalBG/RSABG Pinyon and juniper woodland 2040 3200 6695 10500 1994-01-01 Photo of Calochortus panamintensis
© 2011 Aaron E. Sims
Calochortus plummerae Plummer's mariposa-lily Liliaceae perennial bulbiferous herb May-Jul None None G4 S4 4.2 SB_CalBG/RSABG Development, Erosion/runoff, 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, Cismontane woodland, Coastal scrub, Lower montane coniferous forest, Valley and foothill grassland Granitic, Rocky 100 1700 330 5580 Yes 1994-01-01
No Photo Available
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 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
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
Chorizanthe leptotheca Peninsular spineflower Polygonaceae annual herb May-Aug None None G3 S3 4.2 Chaparral, Coastal scrub, Lower montane coniferous forest Granitic 300 1900 985 6235 1994-01-01
No Photo Available
Chorizanthe palmeri Palmer's spineflower Polygonaceae annual herb Apr-Aug None None G4 S4 4.2 SB_SBBG Chaparral, Cismontane woodland, Valley and foothill grassland Rocky, Serpentine 55 945 180 3100 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
Dudleya cymosa ssp. costatifolia Pierpoint Springs dudleya Crassulaceae perennial herb May-Jul None None G5T1 S1 1B.2 USFS_S Over-collecting/poaching Chaparral, Cismontane woodland Carbonate 1435 1600 4710 5250 Yes 2001-01-01
No Photo Available
Eriogonum nudum var. indictum protruding buckwheat Polygonaceae perennial herb (Apr)May-Oct(Dec) None None G5T4 S4 4.2 Chaparral, Chenopod scrub, Cismontane woodland Clay, Serpentine 150 1463 490 4800 Yes 1994-01-01
No Photo Available
Galium andrewsii ssp. gatense phlox-leaf serpentine bedstraw Rubiaceae perennial herb Apr-Jul None None G5T3 S3 4.2 Chaparral, Cismontane woodland, Lower montane coniferous forest Rocky, Serpentine 150 1450 490 4755 Yes 1994-01-01 Photo of Galium andrewsii ssp. gatense
© 2021 Steve Matson
Hulsea vestita ssp. parryi Parry's sunflower Asteraceae perennial herb Apr-Aug None None G5T4 S4 4.3 SB_CalBG/RSABG Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest Carbonate (sometimes), Granitic (sometimes), Openings, Rocky 1370 2895 4495 9500 Yes 1994-01-01 Photo of Hulsea vestita ssp. parryi
© 2015 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
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
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
Acmispon argyraeus var. notitius Providence Mountains lotus Fabaceae perennial herb May-Aug None None G4?T2 S2 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 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
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
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
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
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
Chorizanthe ventricosa potbellied spineflower Polygonaceae annual herb May-Sep None None G3 S3 4.3 Cismontane woodland, Valley and foothill grassland Serpentine 65 1235 215 4050 Yes 2001-01-01
No Photo Available
Deinandra paniculata paniculate tarplant Asteraceae annual herb (Mar)Apr-Nov None None G4 S4 4.2 Coastal scrub, Valley and foothill grassland, Vernal pools Sandy (sometimes), Vernally Mesic (usually) 25 940 80 3085 2001-01-01
No Photo Available
Eriogonum heracleoides var. heracleoides parsnip-flowered buckwheat Polygonaceae perennial herb Jun-Aug None None G5T5 S3 4.3 Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest Rocky (often) 1200 2930 3935 9615 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 Lower montane coniferous forest (metamorphic, rocky) 1340 1400 4395 4595 Yes 2001-01-01
No Photo Available
Fritillaria pinetorum pine fritillary Liliaceae perennial bulbiferous herb May-Jul(Sep) None None G4 S4 4.3 SB_CalBG/RSABG Chaparral, Lower montane coniferous forest, Pinyon and juniper woodland, Subalpine coniferous forest, Upper montane coniferous forest Granitic (sometimes), Metamorphic (sometimes) 1735 3300 5695 10825 Yes 2001-01-01 Photo of Fritillaria pinetorum
© 2008 Steve Matson
Gilia capitata ssp. pacifica Pacific gilia Polemoniaceae annual herb Apr-Aug None None G5T3 S2 1B.2 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 leptantha ssp. pinetorum pine gilia Polemoniaceae annual herb May-Jul None None G4T4 S4 4.3 Lower montane coniferous forest (rocky, sandy) 1500 2800 4920 9185 Yes 2001-01-01 Photo of Gilia leptantha ssp. pinetorum
© 2016 Keir Morse
Navarretia linearifolia ssp. pinnatisecta pinnate-leaved navarretia Polemoniaceae annual herb Jun-Aug None None G4G5T4 S4 4.3 Chaparral, Lower montane coniferous forest Serpentine, Volcanic 300 2200 985 7220 Yes 2001-01-01
No Photo Available
Horsfordia alata pink velvet-mallow Malvaceae perennial shrub Feb-Dec None None G5 S4 4.3 SB_CalBG/RSABG Sonoran desert scrub (rocky) 100 500 330 1640 2001-01-01
No Photo Available
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
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
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
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
Navarretia prostrata prostrate vernal pool navarretia Polemoniaceae annual herb Apr-Jul None None G2 S2 1B.2 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
Oxytropis parryi Parry's oxytrope Fabaceae perennial herb Jun-Jul None None G5 S4 4.3 Alpine boulder and rock field, Subalpine coniferous forest (rocky) 3355 3800 11010 12470 2001-01-01
No Photo Available
Penstemon scapoides pinyon beardtongue Plantaginaceae perennial herb Jun-Jul None None G3 S3 4.3 SB_CalBG/RSABG Great Basin scrub, Pinyon and juniper woodland, Subalpine coniferous forest Carbonate, Rocky 2000 3200 6560 10500 Yes 1974-01-01
No Photo Available
Phacelia peirsoniana Peirson's phacelia Hydrophyllaceae annual herb May-Aug None None G4 S4 4.3 Great Basin scrub, Pinyon and juniper woodland Carbonate, Rocky 1370 2700 4495 8860 1974-01-01
No Photo Available
Piperia elegans ssp. decurtata Point Reyes rein orchid Orchidaceae perennial herb Jul-Oct None None G4T1 S1 1B.1 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
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)
Sedum pinetorum Pine City sedum Crassulaceae perennial herb Jul None None GUGHQ SH 3 Alpine boulder and rock field (possibly), Subalpine coniferous forest (possibly) Rocky, Slopes, Volcanic 2650 2650 8695 8695 Yes 1974-01-01
No Photo Available
Sidalcea malviflora ssp. purpurea purple-stemmed checkerbloom Malvaceae perennial rhizomatous herb May-Jun None None G5T1 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
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
Hecastocleis shockleyi prickle-leaf Asteraceae perennial evergreen shrub May-Jul None None G4 S4 3 Chenopod scrub, Mojavean desert scrub Carbonate (often), Rocky, Slopes, Washes 1200 2200 3935 7220 1974-01-01 Photo of Hecastocleis shockleyi
© 2013 Aaron Schusteff
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
No Photo Available
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
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
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
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
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
Acanthoscyphus parishii var. parishii Parish's oxytheca Polygonaceae annual herb Jun-Sep None None G4?T3T4 S3S4 4.2 SB_CalBG/RSABG Chaparral, Lower montane coniferous forest Gravelly (sometimes), Sandy (sometimes) 1220 2600 4005 8530 Yes 2007-04-05 Photo of Acanthoscyphus parishii var. parishii
© 2014 Keir Morse
Centromadia parryi ssp. rudis Parry's rough tarplant Asteraceae annual herb May-Oct None None G3T3 S3 4.2 Valley and foothill grassland, Vernal pools Alkaline, Roadsides (sometimes), Seeps, Vernally Mesic 0 100 0 330 Yes 2007-05-22 Photo of Centromadia parryi ssp. rudis
© 2019 John Doyen
Cuscuta californica var. apiculata pointed dodder Convolvulaceae annual vine (parasitic) Feb-Aug None None G5T3 S3? 3 Mojavean desert scrub, Sonoran desert scrub Sandy 0 500 0 1640 2007-06-13
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 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
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
Castilleja ambigua var. insalutata pink Johnny-nip Orobanchaceae annual herb (hemiparasitic) May-Aug None None G4T2 S2 1B.1 BLM_S Coastal prairie, Coastal scrub 0 100 0 330 Yes 2010-03-09
No Photo Available
Calochortus uniflorus pink star-tulip Liliaceae perennial bulbiferous herb Apr-Jun None None G4 S4 4.2 SB_SBBG Coastal prairie, Coastal scrub, Meadows and seeps, North Coast coniferous forest 10 1070 35 3510 2010-03-04 Photo of Calochortus uniflorus
© 2021 Scot Loring
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
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
Ptilidium californicum Pacific fuzzwort Ptilidiaceae liverwort May-Aug None None G4G5 S3S4 4.3 BLM_S Foot traffic/trampling, Grazing, Improper burning regime, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest, Upper montane coniferous forest 1140 1800 3740 5905 2011-03-23 Photo of Ptilidium californicum
© 2021 Scot Loring
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
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 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
Erigeron lassenianus var. deficiens Plumas rayless daisy Asteraceae perennial herb Jun-Sep None None G3G4T2T3 S2S3 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
Linanthus bernardinus Pioneertown linanthus Polemoniaceae annual herb Mar-May None None G1 S1 1B.2 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
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
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
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
Chrysosplenium glechomifolium Pacific golden saxifrage Saxifragaceae perennial herb Feb-Jun None None G5? S3 4.3 North Coast coniferous forest, Riparian forest Roadsides (sometimes), Seeps (sometimes), Streambanks 10 540 35 1770 2015-10-15 Photo of Chrysosplenium glechomifolium
© 2021 Scot Loring
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
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
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
Navarretia panochensis Panoche navarretia Polemoniaceae annual herb Apr-Aug None None G3 S3 1B.3 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 panamintensis Panamint spring beauty Montiaceae perennial herb Mar-May None None G1 S1 1B.1 Pinyon and juniper woodland (openings) Carbonate, Rocky, Talus 1825 1930 5990 6330 2019-11-04
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
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 insignis ssp. insignis plumed jewelflower Brassicaceae annual herb Mar-May None None G3G4T3T4 S3S4 4.3 Chaparral Openings, Rocky, Serpentine (often), Shale, Talus 300 1100 985 3610 Yes 2021-02-03
No Photo Available

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 26 April 2024].