CNPS

CNPS Rare Plant Inventory


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214 matches found. Click on scientific name for details

Search Criteria: County or Island is one of [SBA]

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
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 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
No Photo Available
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
No Photo Available
Arctostaphylos rudis sand mesa manzanita Ericaceae perennial evergreen shrub Nov-Feb None None G2 S2 1B.1 BLM_S; SB_SBBG Agriculture, Development, Disking, 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
No Photo Available
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
Calystegia collina ssp. venusta South Coast Range morning-glory Convolvulaceae perennial rhizomatous herb Apr-Jun None None G4T4 S4 4.3 Chaparral, Cismontane woodland, Valley and foothill grassland Serpentine (sometimes) 270 1490 885 4890 Yes 1984-01-01
No Photo Available
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
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
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 crustacea ssp. insulicola island manzanita Ericaceae perennial evergreen shrub Jun-Mar None None G4T3 S3 4.2 Chaparral, Closed-cone coniferous forest Rocky 90 520 295 1705 Yes 1974-01-01 Photo of Arctostaphylos crustacea ssp. insulicola
© 2019 Zoya Akulova
Arctostaphylos crustacea ssp. subcordata Santa Cruz Island manzanita Ericaceae perennial evergreen shrub Jan-Apr None None G4T3 S3 4.2 SB_UCSC Chaparral, Closed-cone coniferous forest Rocky 100 730 330 2395 Yes 1974-01-01 Photo of Arctostaphylos crustacea ssp. subcordata
© 2018 Susan McDougall
Arctostaphylos viridissima white-haired manzanita Ericaceae perennial evergreen shrub May-Mar None None G4 S4 4.2 SB_SBBG Chaparral, Closed-cone coniferous forest Rocky, Shale (usually) 100 500 330 1640 Yes 1980-01-01
No Photo Available
Calochortus clavatus var. clavatus club-haired mariposa lily Liliaceae perennial bulbiferous herb (Mar)May-Jun None None G4T3 S3 4.3 SB_CalBG/RSABG; USFS_S Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland Clay, Rocky, Serpentine (usually) 30 1300 100 4265 Yes 1974-01-01
No Photo Available
Calystegia macrostegia ssp. amplissima island morning-glory Convolvulaceae perennial herb Feb-Jul None None G4G5T4 S4 4.3 SB_CalBG/RSABG Coastal bluff scrub, Coastal dunes, Valley and foothill grassland Rocky 10 275 35 900 Yes 1984-01-01
No Photo Available
Antirrhinum ovatum oval-leaved snapdragon Plantaginaceae annual herb May-Nov None None G3 S3 4.2 Agriculture, Development, Grazing, Non-native plant impacts, Road/trail construction/maint. Chaparral, Cismontane woodland, Pinyon and juniper woodland, Valley and foothill grassland Alkaline (often), Clay (sometimes) 200 1000 655 3280 Yes 1974-01-01 Photo of Antirrhinum ovatum
© 2013 Chris Winchell
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
Deinandra clementina island tarplant Asteraceae perennial deciduous shrub (Apr)May-Jul None None G4 S4 4.3 SB_CalBG/RSABG Coastal bluff scrub, Valley and foothill grassland 15 200 50 655 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, 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 Coastal dunes, Marshes and swamps (coastal salt) 0 30 0 100 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
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
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
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 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 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
Hazardia detonsa island hazardia Asteraceae perennial evergreen shrub Mar-Nov None None G4 S4 4.3 SB_CalBG/RSABG Chaparral, Closed-cone coniferous forest, Coastal scrub Rocky, Volcanic 5 580 15 1905 Yes 1974-01-01 Photo of Hazardia detonsa
© 2009 Zoya Akulova
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
No Photo Available
Astragalus miguelensis San Miguel Island milk-vetch Fabaceae perennial herb Mar-Jul None None G4 S4 4.3 SB_CalBG/RSABG; SB_CRES; SB_USDA Coastal bluff scrub, Coastal dunes, Coastal scrub 3 150 10 490 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
Cistanthe maritima seaside cistanthe Montiaceae annual herb (Feb)Mar-Jun(Aug) None None G3G4 S3 4.2 SB_CalBG/RSABG; SB_SBBG Coastal bluff scrub, Coastal scrub, Valley and foothill grassland Sandy 5 300 15 985 1980-01-01
No Photo Available
Calochortus catalinae Catalina mariposa lily Liliaceae perennial bulbiferous herb (Feb)Mar-Jun None None G3G4 S3S4 4.2 SB_CalBG/RSABG; SB_SBBG Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland 15 700 50 2295 Yes 1974-01-01
No Photo Available
Dudleya candelabrum candleholder dudleya Crassulaceae perennial herb Apr-Jul None None G3 S3 1B.2 Erosion/runoff Chaparral, Closed-cone coniferous forest, Coastal scrub Rocky 5 610 15 2000 Yes 1974-01-01
No Photo Available
Dudleya greenei Greene's dudleya Crassulaceae perennial herb May-Jul None None G3 S3 4.2 SB_CalBG/RSABG Chaparral, Cismontane woodland, Coastal bluff scrub, Coastal scrub Volcanic 1 245 5 805 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
Castilleja hololeuca island white-felted paintbrush Orobanchaceae perennial herb (hemiparasitic) Feb-Sep None None G3 S3 1B.2 Chaparral, Closed-cone coniferous forest, Coastal scrub Rocky 20 365 65 1200 Yes 1980-01-01 Photo of Castilleja hololeuca
Keir Morse
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
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
Ceanothus megacarpus var. insularis island ceanothus Rhamnaceae perennial evergreen shrub Dec-Apr None None G5T4 S4 4.3 SB_CalBG/RSABG Chaparral (sandy) 30 600 100 1970 Yes 1980-01-01
No Photo Available
Cercocarpus betuloides var. blancheae island mountain-mahogany Rosaceae perennial evergreen shrub Feb-May None None G5T4 S4 4.3 SB_CalBG/RSABG Chaparral, Closed-cone coniferous forest 30 600 100 1970 Yes 1974-01-01
No Photo Available
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 wheeleri Wheeler's spineflower Polygonaceae annual herb Apr-Jul None None G3G4 S3S4 4.3 Chaparral, Coastal scrub, Valley and foothill grassland Gravelly (sometimes), Rocky (sometimes) 5 600 15 1970 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
No Photo Available
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 Coastal bluff scrub, Coastal dunes 3 60 10 195 Yes 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
Cryptantha rattanii Rattan's cryptantha Boraginaceae annual herb Apr-Jul None None G4 S4 4.3 Cismontane woodland, Riparian woodland, Valley and foothill grassland 245 915 805 3000 Yes 1974-01-01
No Photo Available
Delphinium parryi ssp. purpureum Mt. Pinos larkspur Ranunculaceae perennial herb May-Jun None None G4T4 S4 4.3 SB_CalBG/RSABG; SB_SBBG; USFS_S Chaparral, Mojavean desert scrub, Pinyon and juniper woodland 1000 2600 3280 8530 Yes 1974-01-01
No Photo Available
Dendromecon harfordii var. harfordii north island bush-poppy Papaveraceae perennial evergreen shrub Mar-Nov None None G3T3Q S3 3.2 SB_SBBG Chaparral, Closed-cone coniferous forest Rocky 15 420 50 1380 Yes 1980-01-01
No Photo Available
Dichondra occidentalis western dichondra Convolvulaceae perennial rhizomatous herb (Jan)Mar-Jul None None G3G4 S3S4 4.2 Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland 50 500 165 1640 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
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 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
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
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 sanctarum saints' daisy Asteraceae perennial rhizomatous herb Mar-Jul None None G3 S3 4.2 Chaparral, Cismontane woodland, Coastal scrub 75 350 245 1150 Yes 1974-01-01 Photo of Erigeron sanctarum
© 2009 Adonis (Don) Tate
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
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
Rhinotropis cornuta var. fishiae Fish's milkwort Polygalaceae perennial deciduous shrub May-Aug None None G5T4 S4 4.3 Chaparral, Cismontane woodland, Riparian woodland 100 1000 330 3280 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
Lessingia tenuis spring lessingia Asteraceae annual herb May-Jul None None G4 S4 4.3 SB_CalBG/RSABG Chaparral, Cismontane woodland, Lower montane coniferous forest Openings 300 2150 985 7055 Yes 1974-01-01 Photo of Lessingia tenuis
© 2020 Keir Morse
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
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
Sanicula hoffmannii Hoffmann's sanicle Apiaceae perennial herb Mar-May None None G3 S3 4.3 SB_SBBG; SB_UCSC Broadleafed upland forest, Chaparral, Cismontane woodland, Coastal bluff scrub, Coastal scrub, Lower montane coniferous forest Clay (often), Serpentine (often) 30 300 100 985 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 grande var. grande island buckwheat Polygonaceae perennial herb Jun-Oct None None G4T4 S4 4.2 SB_CalBG/RSABG Coastal bluff scrub, Coastal scrub, Valley and foothill grassland 3 460 10 1510 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
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
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
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 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 capitatum var. lompocense San Luis Obispo wallflower Brassicaceae perennial herb Feb-May None None G5T3 S3 4.2 SB_SBBG Chaparral, Coastal scrub Sandy 60 500 195 1640 Yes 1974-01-01
No Photo Available
Erysimum suffrutescens suffrutescent wallflower Brassicaceae perennial herb Jan-Jul(Aug) None None G3 S3 4.2 SB_SBBG Chaparral (maritime), Coastal bluff scrub, Coastal dunes, Coastal scrub 0 150 0 490 Yes 1980-01-01
No Photo Available
Eschscholzia hypecoides San Benito poppy Papaveraceae annual herb Mar-Jun None None G4 S4 4.3 SB_UCSC Chaparral, Cismontane woodland, Valley and foothill grassland Clay, Serpentine 200 1500 655 4920 Yes 1974-01-01
No Photo Available
Eschscholzia ramosa island poppy Papaveraceae annual herb Mar-May None None G4 S4 4.3 SB_CalBG/RSABG; SB_SBBG Chaparral, Coastal bluff scrub, Coastal scrub 0 380 0 1245 1974-01-01
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
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
Fritillaria agrestis stinkbells Liliaceae perennial bulbiferous herb Mar-Jun None None G3 S3 4.2 Agriculture, Dam/Inundation, Development, Disking, Grazing, ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint. Chaparral, Cismontane woodland, Pinyon and juniper woodland, Valley and foothill grassland Clay, Serpentine (sometimes) 10 1555 35 5100 Yes 1980-01-01 Photo of Fritillaria agrestis
© 2016 Aaron Schusteff
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
Galium buxifolium box bedstraw Rubiaceae perennial deciduous shrub Mar-Jul FD CR G2G3 S2S3 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. miguelense San Miguel Island bedstraw Rubiaceae perennial herb Mar-Jul None None G5T3 S3 4.2 Cismontane woodland, Coastal bluff scrub Sandy (sometimes) 30 60 100 195 Yes 1974-01-01 Photo of Galium californicum ssp. miguelense
© 2006 Steve Matson
Galium cliftonsmithii Santa Barbara bedstraw Rubiaceae perennial herb May-Jul None None G4 S4 4.3 Cismontane woodland 200 1220 655 4005 Yes 1974-01-01 Photo of Galium cliftonsmithii
© 2020 Brian Bielfelt
Galium nuttallii ssp. insulare Nuttall's island bedstraw Rubiaceae perennial herb Mar-Jun None None G5?T4 S4 4.3 Chaparral, Cismontane woodland, Coastal scrub, Lower montane coniferous forest 3 440 10 1445 Yes 1974-01-01 Photo of Galium nuttallii ssp. insulare
© 2006 Steve Matson
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
Gilia latiflora ssp. cuyamensis Cuyama gilia Polemoniaceae annual herb Apr-Jun None None G5?T4 S4 4.3 Pinyon and juniper woodland (sandy) 595 2000 1950 6560 Yes 1974-01-01 Photo of Gilia latiflora ssp. cuyamensis
© 2012 Michael Charters
Gilia nevinii Nevin's gilia Polemoniaceae annual herb Mar-Jun None None G4 S4 4.3 SB_CalBG/RSABG Coastal bluff scrub, Coastal scrub, Valley and foothill grassland 5 400 15 1310 1984-01-01 Photo of Gilia nevinii
© 2011 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
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
Heuchera caespitosa urn-flowered alumroot Saxifragaceae perennial rhizomatous herb May-Aug None None G3 S3 4.3 SB_CalBG/RSABG; USFS_S Cismontane woodland, Lower montane coniferous forest, Riparian forest (montane), Upper montane coniferous forest Rocky 1155 2650 3790 8695 Yes 1974-01-01 Photo of Heuchera caespitosa
© 2015 Keir Morse
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
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
Jepsonia malvifolia island jepsonia Saxifragaceae perennial herb Aug-Jan None None G4 S4 4.2 Chaparral, Coastal scrub 15 1000 50 3280 1974-01-01 Photo of Jepsonia malvifolia
© 2020 Keir Morse
Juncus acutus ssp. leopoldii southwestern spiny rush Juncaceae perennial rhizomatous herb (Mar)May-Jun None None G5T5 S4 4.2 SB_CalBG/RSABG; SB_CRES Coastal dunes (mesic), Coastal scrub, Marshes and swamps (coastal salt), Meadows and seeps (alkaline seeps) 3 900 10 2955 1988-01-01 Photo of Juncus acutus ssp. leopoldii
© 2019 Belinda Lo
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
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
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
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 fragrans fragrant pitcher sage Lamiaceae perennial shrub Mar-Oct None None G3 S3 4.2 SB_CalBG/RSABG; USFS_S Chaparral 20 1310 65 4300 Yes 1974-01-01 Photo of Lepechinia fragrans
© 2014 Debra L. Cook
Acmispon argophyllus var. niveus Santa Cruz Island bird's-foot trefoil Fabaceae perennial herb Mar-Jul(Sep) None CE G5T3 S3 4.3 SB_CalBG/RSABG Grazing, Non-native animal impacts Chaparral, Coastal bluff scrub, Coastal scrub Rocky 5 680 15 2230 Yes 1974-01-01 Photo of Acmispon argophyllus var. niveus
© 2017 John Game
Acmispon dendroideus var. dendroideus island broom Fabaceae perennial shrub Jan-Aug(Oct) None None G4T3 S3 4.2 SB_CalBG/RSABG; SB_USDA Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal bluff scrub, Coastal scrub 3 460 10 1510 Yes 1974-01-01 Photo of Acmispon dendroideus var. dendroideus
© 2003 Keir Morse
Acmispon dendroideus var. veatchii San Miguel Island deerweed Fabaceae perennial shrub Mar-Jun None None G4T3 S3 4.3 SB_CalBG/RSABG Coastal bluff scrub, Coastal scrub 10 350 35 1150 1980-01-01 Photo of Acmispon dendroideus var. veatchii
© 2006 Steve Matson
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
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 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 G1Q 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
Malacothrix incana dunedelion Asteraceae perennial herb (Jan)Apr-Oct None None G3G4 S3S4 4.3 SB_CalBG/RSABG Coastal dunes, Coastal scrub 2 35 5 115 Yes 1974-01-01
No Photo Available
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, Feral pigs, Grazing, Improper burning regime, Military operations, Non-native plant impacts 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
Diplacus aridus low bush monkeyflower Phrymaceae perennial evergreen shrub Apr-Jul None None G4 S3 4.3 SB_CalBG/RSABG; SB_CRES Chaparral (rocky), Sonoran desert scrub 750 1200 2460 3935 1984-01-01
No Photo Available
Erythranthe nudata bare monkeyflower Phrymaceae annual herb May-Jun None None G4 S4 4.3 Chaparral, Cismontane woodland Seeps, Serpentine 200 700 655 2295 Yes 1974-01-01 Photo of Erythranthe nudata
John Doyen 2015
Diplacus parviflorus island bush monkeyflower Phrymaceae perennial evergreen shrub Mar-Oct None None G4 S4 4.3 SB_CalBG/RSABG; SB_CRES Chaparral, Closed-cone coniferous forest, Coastal bluff scrub, Coastal scrub Rocky 3 535 10 1755 Yes 1988-01-01 Photo of Diplacus parviflorus
© 2003 Keir Morse
Mimulus subsecundus one-sided monkeyflower Phrymaceae annual herb May-Jul None None G3G4Q S2? 4.3 Chaparral, Lower montane coniferous forest 450 915 1475 3000 Yes 1974-01-01
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 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
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 undulata ssp. undulata San Luis Obispo monardella Lamiaceae perennial rhizomatous herb May-Sep None None G2 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
Ophioglossum californicum California adder's-tongue Ophioglossaceae perennial rhizomatous herb Jan-Jun(Dec) None None G4 S4 4.2 Chaparral, Valley and foothill grassland, Vernal pools (margins) Mesic 60 525 195 1725 1974-01-01 Photo of Ophioglossum californicum
© 2009 Andrew Borcher
Aphyllon parishii ssp. brachylobum short-lobed broomrape Orobanchaceae annual/perennial herb (parasitic) Apr-Oct None None G4?T4 S3 4.2 Development, Erosion/runoff Coastal bluff scrub, Coastal dunes, Coastal scrub Sandy 3 305 10 1000 1974-01-01
No Photo Available
Prunus fasciculata var. punctata sand almond Rosaceae perennial deciduous shrub Mar-Apr None None G5T4 S4 4.3 SB_CalBG/RSABG Chaparral (maritime), Cismontane woodland, Coastal dunes, Coastal scrub Sandy 15 200 50 655 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
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, Other, Recreational use (non-ORV), 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
Lepidium virginicum var. robinsonii Robinson's pepper-grass Brassicaceae annual herb Jan-Jul None None G5T3 S3 4.3 Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Coastal scrub 1 885 5 2905 1994-01-01 Photo of Lepidium virginicum var. robinsonii
© 2015 Keir Morse
Lilium humboldtii ssp. humboldtii Humboldt lily Liliaceae perennial bulbiferous herb May-Jul(Aug) None None G4T3 S3 4.2 SB_UCSC Chaparral, Cismontane woodland, Lower montane coniferous forest Openings 90 1280 295 4200 Yes 1994-01-01 Photo of Lilium humboldtii ssp. humboldtii
© 2008 Sierra Pacific Industries
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
Eriogonum umbellatum var. bahiiforme bay buckwheat Polygonaceae perennial herb Jul-Sep None None G5T3 S3 4.2 Cismontane woodland, Lower montane coniferous forest Rocky, Serpentine (often) 700 2200 2295 7220 Yes 2001-01-01
No Photo Available
Quercus pacifica island scrub oak Fagaceae perennial evergreen shrub Mar-Apr None None G4 S4 4.2 IUCN_EN Chaparral, Cismontane woodland, Closed-cone coniferous forest 0 430 0 1410 Yes 2001-01-01
No Photo Available
Rhamnus pirifolia island redberry Rhamnaceae perennial evergreen tree Feb-Jul None None G4 S4 4.2 SB_CalBG/RSABG Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub 20 430 65 1410 2001-01-01
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
Quercus parvula var. parvula Santa Cruz Island oak Fagaceae perennial evergreen shrub (Mar)Apr-Jun None None G4T3 S3 4.2 IUCN_EN Chaparral, Cismontane woodland, Closed-cone coniferous forest 30 915 100 3000 Yes 1980-01-01
No Photo Available
Ribes amarum var. hoffmannii Hoffmann's bitter gooseberry Grossulariaceae perennial deciduous shrub Mar-Apr None None G4?T3 S3 3 Chaparral, Riparian woodland 5 1190 15 3905 Yes 1984-01-01
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
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
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
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 hickmanii ssp. parishii Parish's checkerbloom Malvaceae perennial herb (May)Jun-Aug None CR G2T1 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
Stipa diegoensis San Diego County needle grass Poaceae perennial herb Feb-Jun None None G4 S4 4.2 SB_CRES Chaparral, Coastal scrub Mesic (often), Rocky 10 800 35 2625 1974-01-01
No Photo Available
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
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
Trichostema ovatum San Joaquin bluecurls Lamiaceae annual herb (Apr-Jun)Jul-Oct None None G3 S3 4.2 Chenopod scrub, Valley and foothill grassland 65 320 215 1050 Yes 1974-01-01
No Photo Available
Trifolium palmeri southern island clover Fabaceae annual herb Mar-May None None G4 S4 4.2 SB_CalBG/RSABG Coastal bluff scrub, Valley and foothill grassland 10 180 35 590 1974-01-01
No Photo Available
Abronia maritima red sand-verbena Nyctaginaceae perennial herb Feb-Nov None None G4 S3? 4.2 SB_CalBG/RSABG Coastal dunes 0 100 0 330 1994-01-01 Photo of Abronia maritima
©2003 Christopher L. Christie
Acanthomintha obovata ssp. cordata heart-leaved thorn-mint Lamiaceae annual herb Apr-Jul None None G4T3 S3 4.2 SB_CalBG/RSABG; SB_SBBG Chaparral (openings), Cismontane woodland, Pinyon and juniper woodland, Valley and foothill grassland Clay 785 1540 2575 5055 Yes 1994-01-01 Photo of Acanthomintha obovata ssp. cordata
© 2017 Aaron Schusteff
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
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
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 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
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
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
Convolvulus simulans small-flowered morning-glory Convolvulaceae annual herb Mar-Jul None None G4 S4 4.2 SB_CRES Chaparral (openings), Coastal scrub, Valley and foothill grassland Clay, Seeps, Serpentine 30 740 100 2430 1994-01-01
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
Hordeum intercedens vernal barley Poaceae annual herb Mar-Jun None None G3G4 S3S4 3.2 SB_CalBG/RSABG Coastal dunes, Coastal scrub, Valley and foothill grassland (depressions, saline flats), Vernal pools 5 1000 15 3280 1994-01-01
No Photo Available
Horkelia yadonii Santa Lucia horkelia Rosaceae perennial rhizomatous herb Apr-Jul None None G3 S3 4.2 USFS_S Broadleafed upland forest, Chaparral, Cismontane woodland, Meadows and seeps, Riparian woodland Granitic, Sandy 300 1900 985 6235 Yes 1994-01-01 Photo of Horkelia yadonii
© 2012 Chris Winchell
Juglans californica Southern California black walnut Juglandaceae perennial deciduous tree Mar-Aug None None G4 S4 4.2 IUCN_NT; SB_CalBG/RSABG; SB_USDA Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland 50 900 165 2955 Yes 1994-01-01 Photo of Juglans californica
© 2020 Zoya Akulova
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
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
Lilium humboldtii ssp. ocellatum ocellated Humboldt lily Liliaceae perennial bulbiferous herb Mar-Jul(Aug) None None G4T4? S4? 4.2 SB_CalBG/RSABG; SB_CRES Chaparral, Cismontane woodland, Coastal scrub, Lower montane coniferous forest, Riparian woodland Openings 30 1800 100 5905 Yes 1980-01-01 Photo of Lilium humboldtii ssp. ocellatum
© 2008 Thomas Stoughton
Leptosiphon grandiflorus large-flowered leptosiphon Polemoniaceae annual herb Apr-Aug None None G3G4 S3S4 4.2 Cismontane woodland, Closed-cone coniferous forest, Coastal bluff scrub, Coastal dunes, Coastal prairie, Coastal scrub, Valley and foothill grassland Sandy (usually) 5 1220 15 4005 Yes 1994-01-01 Photo of Leptosiphon grandiflorus
© 2003 Doreen L. Smith
Mucronea californica California spineflower Polygonaceae annual herb Mar-Jul(Aug) None None G3 S3 4.2 SB_CalBG/RSABG Chaparral, Cismontane woodland, Coastal dunes, Coastal scrub, Valley and foothill grassland Sandy 0 1400 0 4595 Yes 1988-01-01 Photo of Mucronea californica
© 2018 Debra L. Cook
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
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
Quercus tomentella island oak Fagaceae perennial evergreen tree Mar-Jul None None G3G4 S3S4 4.2 IUCN_EN; SB_CRES Chaparral, Cismontane woodland, Closed-cone coniferous forest, Riparian woodland 15 730 50 2395 1974-01-01
No Photo Available
Senecio aphanactis chaparral ragwort Asteraceae annual herb Jan-Apr(May) None None G3 S2 2B.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
No Photo Available
Suaeda taxifolia woolly seablite Chenopodiaceae perennial evergreen shrub Jan-Dec None None G4 S3S4 4.2 SB_CRES Coastal bluff scrub, Coastal dunes, Marshes and swamps (coastal margins) 0 50 0 165 1994-01-01
No Photo Available
Solanum clokeyi island nightshade Solanaceae perennial herb Mar-Jul None None G3 S3 4.2 Chaparral, Cismontane woodland, Coastal scrub 2 395 5 1295 1980-01-01
No Photo Available
Calandrinia breweri Brewer's calandrinia Montiaceae annual herb (Jan)Mar-Jun None None G4 S4 4.2 SB_SBBG; SB_UCSC Chaparral, Coastal scrub Burned areas, Disturbed areas, Loam (sometimes), Sandy (sometimes) 10 1220 35 4005 1994-01-01
No Photo Available
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
Artemisia nesiotica island sagebrush Asteraceae perennial evergreen shrub Apr-Sep None None G3 S3 4.3 Coastal scrub (rocky), Valley and foothill grassland 5 175 15 575 Yes 2001-01-01
No Photo Available
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 nuttallii var. nuttallii ocean bluff milk-vetch Fabaceae perennial herb Jan-Nov None None G4T4 S4 4.2 SB_UCSC Coastal bluff scrub, Coastal dunes 3 120 10 395 Yes 2001-01-01
No Photo Available
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 cuneatus var. fascicularis Lompoc ceanothus Rhamnaceae perennial evergreen shrub Feb-Apr None None G5T4 S4 4.2 SB_CalBG/RSABG; SB_SBBG Chaparral (sandy) 5 400 15 1310 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
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
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
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
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
Lycium californicum California box-thorn Solanaceae perennial shrub Mar-Aug(Dec) None None G4 S4 4.2 SB_CalBG/RSABG; SB_CRES Coastal bluff scrub, Coastal scrub 5 150 15 490 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 saxatilis var. saxatilis cliff malacothrix Asteraceae perennial rhizomatous herb Mar-Sep None None G5T4 S4 4.2 Coastal bluff scrub, Coastal scrub 3 200 10 655 Yes 2001-01-01
No Photo Available
Diplacus johnstonii Johnston's monkeyflower Phrymaceae annual herb May-Aug None None G4 S4 4.3 SB_CalBG/RSABG; SB_SBBG Lower montane coniferous forest (disturbed areas, gravelly, roadsides, rocky, scree) 975 2920 3200 9580 Yes 2001-01-01
No Photo Available
Senecio blochmaniae Blochman's ragwort Asteraceae perennial herb May-Oct None None G3 S3 4.2 SB_CalBG/RSABG Coastal dunes 0 100 0 330 Yes 1974-01-01
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
Anomobryum julaceum slender silver moss Bryaceae moss None None G5 S2 4.2 Erosion/runoff, Road/trail construction/maint. Broadleafed upland forest, Lower montane coniferous forest, North Coast coniferous forest Roadsides (usually) 100 1000 330 3280 2001-01-01 Photo of Anomobryum julaceum
© 2013 Scot Loring
Eriastrum hooveri Hoover's eriastrum Polemoniaceae annual herb Mar-Jul FD None G3 S3 4.2 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, ORV activity, Pollution, Vandalism/dumping/litter Chenopod scrub, Pinyon and juniper woodland, Valley and foothill grassland Gravelly (sometimes) 50 915 165 3000 Yes 1974-01-01 Photo of Eriastrum hooveri
© 2011 Chris Winchell
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
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
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
Eriogonum elegans elegant wild buckwheat Polygonaceae annual herb May-Nov None None G4G5 S4S5 4.3 SB_UCSC Cismontane woodland, Valley and foothill grassland Gravelly (usually), Roadsides (sometimes), Sandy (usually), Washes (often) 200 1525 655 5005 Yes 2011-12-19
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
Senecio astephanus San Gabriel ragwort Asteraceae perennial herb May-Jul None None G3 S3 4.3 SB_CalBG/RSABG Chaparral, Coastal scrub Rocky, Slopes 400 1500 1310 4920 Yes 2006-12-21
No Photo Available
Phacelia hubbyi Hubby's phacelia Hydrophyllaceae annual herb Apr-Jul None None G4 S4 4.2 SB_SBBG Chaparral, Coastal scrub, Valley and foothill grassland Gravelly, Rocky, Talus 0 1000 0 3280 Yes 2007-02-02
No Photo Available
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
Clinopodium mimuloides monkey-flower savory Lamiaceae perennial herb Jun-Oct None None G3 S3 4.2 Chaparral, North Coast coniferous forest Mesic, Streambanks 305 1800 1000 5905 Yes 2007-05-04
No Photo Available
Amsinckia douglasiana Douglas' fiddleneck Boraginaceae annual herb Mar-May None None G4 S4 4.2 SB_CalBG/RSABG; SB_SBBG Cismontane woodland, Valley and foothill grassland Dry 0 1950 0 6400 Yes 2007-08-20 Photo of Amsinckia douglasiana
© 2013 Chris Winchell
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
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
Lycium torreyi Torrey's box-thorn Solanaceae perennial shrub (Jan-Feb)Mar-Jun(Sep-Nov) None None G4G5 S3 4.2 Mojavean desert scrub, Sonoran desert scrub Rocky, Sandy, Streambanks, Washes -50 1220 -165 4005 2015-05-05
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
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
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
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
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
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
Texosporium sancti-jacobi woven-spored lichen Caliciaceae crustose lichen (terricolous) None None G3 S2 3 Chaparral (openings) 60 660 195 2165 2014-03-01 Photo of Texosporium sancti-jacobi
©2021 Scot Loring
Pleuridium mexicanum Mexican earthmoss Ditrichaceae moss None None G5 S1 2B.1 Chaparral Sandstone 440 440 1445 1445 2014-07-28
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
Gilia ochroleuca ssp. lanosa sisquoc gilia Polemoniaceae annual herb (Apr)May-Jun None None G4T3 S3 4.3 Chaparral, Cismontane woodland, Pinyon and juniper woodland (openings) Gravelly (rarely), Sandy, Streambanks (sometimes) 450 1480 1475 4855 Yes 2021-05-21
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
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
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 2022-12-22 Photo of Layia erubescens
© 2023 Adonis (Don) Tate
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

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 21 November 2024].