Search Results

116 matches found. Click on scientific name for details

Search Criteria: Fed List is one of [FE:FT,FE:FT] and State List is one of [CE:CT:CR,CE:CT:CR]

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
Amsinckia grandiflora large-flowered fiddleneck Boraginaceae annual herb (Mar)Apr-May FE CE G1 S1 1B.1 SB_UCBG Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, Other Cismontane woodland, Valley and foothill grassland 270 550 885 1805 Yes 1974-01-01 Photo of Amsinckia grandiflora
© 2015 Zoya Akulova
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
Calochortus tiburonensis Tiburon mariposa-lily Liliaceae perennial bulbiferous herb Mar-Jun FT CT G1 S1 1B.1 SB_UCBG Foot traffic/trampling, Non-native plant impacts Valley and foothill grassland (serpentinite) 50 150 165 490 Yes 1974-01-01
No Photo Available
Acanthomintha ilicifolia San Diego thorn-mint Lamiaceae annual herb Apr-Jun FT CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools Clay, Openings 10 960 35 3150 1974-01-01 Photo of Acanthomintha ilicifolia
© 2013 Keir Morse
Acanthomintha duttonii San Mateo thorn-mint Lamiaceae annual herb Apr-Jun FE CE G1 S1 1B.1 SB_UCBG Altered flood/tidal/hydrologic regime, Development, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Valley and foothill grassland Serpentine 50 300 165 985 Yes 1974-01-01 Photo of Acanthomintha duttonii
© 2011 Aaron Schusteff
Allium munzii Munz's onion Alliaceae perennial bulbiferous herb Mar-May FE CT G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Pinyon and juniper woodland, Valley and foothill grassland Clay, Mesic 297 1070 975 3510 Yes 1980-01-01 Photo of Allium munzii
© 2003 Guy Bruyea
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
Calystegia stebbinsii Stebbins' morning-glory Convolvulaceae perennial rhizomatous herb Apr-Jul FE CE G1 S1 1B.1 SB_CalBG/RSABG Biocides, Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Landfill, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (openings), Cismontane woodland Gabbroic (sometimes), Seeps (sometimes) 185 1090 605 3575 Yes 1980-01-01
No Photo Available
Deinandra conjugens Otay tarplant Asteraceae annual herb (Apr)May-Jun FT CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Coastal scrub, Valley and foothill grassland Clay 25 300 80 985 1974-01-01
No Photo Available
Clarkia franciscana Presidio clarkia Onagraceae annual herb May-Jul FE CE G1 S1 1B.1 SB_UCBG Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal scrub, Valley and foothill grassland (serpentinite) 25 335 80 1100 Yes 1974-01-01
No Photo Available
Clarkia imbricata Vine Hill clarkia Onagraceae annual herb Jun-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Development, Hybridization, Non-native plant impacts, Other, Over-collecting/poaching, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Valley and foothill grassland Acidic, Loam, Sandy 50 75 165 245 Yes 1974-01-01
No Photo Available
Clarkia 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
Clarkia springvillensis Springville clarkia Onagraceae annual herb (Mar)Apr-Jul FT CE G2 S2 1B.2 SB_UCSC Biocides, Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Wood cutting or brush clearing Chaparral, Cismontane woodland, Valley and foothill grassland Granitic 245 1220 805 4005 Yes 1980-01-01
No Photo Available
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
Chloropyron molle ssp. molle soft salty bird's-beak Orobanchaceae annual herb (hemiparasitic) Jun-Nov FE CR G2T1 S1 1B.2 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Channelization, Development, Disking, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Military operations, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Marshes and swamps (coastal salt) 0 3 0 10 Yes 1974-01-01 Photo of Chloropyron molle ssp. molle
© 2014 John Doyen
Arabis mcdonaldiana McDonald's rockcress Brassicaceae perennial herb May-Jul FE CE G3 S3 1B.1 SB_BerrySB; SB_CalBG/RSABG Grazing, Mining, Other, Road/trail construction/maint. Lower montane coniferous forest, Upper montane coniferous forest Serpentine 135 1800 445 5905 1974-01-01 Photo of Arabis mcdonaldiana
© 2003 Norman Jensen
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
Limnanthes floccosa ssp. californica Butte County meadowfoam Limnanthaceae annual herb Mar-May FE CE G4T1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Surface water diversion Valley and foothill grassland (mesic), Vernal pools 46 930 150 3050 Yes 1980-01-01 Photo of Limnanthes floccosa ssp. californica
© 2007 George W. Hartwell
Limnanthes vinculans Sebastopol meadowfoam Limnanthaceae annual herb Apr-May FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps, Valley and foothill grassland, Vernal pools Vernally Mesic 15 305 50 1000 Yes 1974-01-01 Photo of Limnanthes vinculans
© 2015 Vernon Smith
Arenaria paludicola marsh sandwort Caryophyllaceae perennial stoloniferous herb May-Aug FE CE G1 S1 1B.1 SB_SBBG Altered flood/tidal/hydrologic regime, Degraded water quality, Development, Feral pigs, Non-native plant impacts, ORV activity, Other, Pollution, Surface water diversion, Vandalism/dumping/litter Marshes and swamps (brackish, freshwater) Openings, Sandy 3 170 10 560 1984-01-01
No Photo Available
Astragalus claranus Clara Hunt's milk-vetch Fabaceae annual herb Mar-May FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Chaparral (openings), Cismontane woodland, Valley and foothill grassland Clay, Rocky, Serpentine (sometimes), Volcanic (sometimes) 75 275 245 900 Yes 1974-01-01
No Photo Available
Astragalus magdalenae var. peirsonii Peirson's milk-vetch Fabaceae perennial herb Dec-Apr FT CE G3G4T1 S1 1B.2 SB_CalBG/RSABG ORV activity, Other Desert dunes 60 225 195 740 1974-01-01
No Photo Available
Astragalus pycnostachyus var. lanosissimus Ventura Marsh milk-vetch Fabaceae perennial herb (Jun)Aug-Oct FE CE G2T1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Development, Foot traffic/trampling, Non-native plant impacts, Other, Over-collecting/poaching, Pollution Coastal dunes, Coastal scrub, Marshes and swamps (edges, coastal salt, brackish) 1 35 5 115 Yes 1974-01-01
No Photo Available
Astragalus tener var. titi coastal dunes milk-vetch Fabaceae annual herb Mar-May FE CE G2T1 S1 1B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, Military operations, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Coastal bluff scrub (sandy), Coastal dunes, Coastal prairie (mesic) Mesic (often), Vernally Mesic (often) 1 50 5 165 Yes 1974-01-01
No Photo Available
Baccharis vanessae Encinitas baccharis Asteraceae perennial deciduous shrub Aug-Nov FT CE G1 S1 1B.1 SB_CRES Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland Sandstone 60 720 195 2360 Yes 1980-01-01
No Photo Available
Blennosperma bakeri Sonoma sunshine Asteraceae annual herb Mar-May FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Valley and foothill grassland (mesic), Vernal pools 10 110 35 360 Yes 1974-01-01
No Photo Available
Brodiaea filifolia thread-leaved brodiaea Themidaceae perennial bulbiferous herb Mar-Jun FT CE G2 S2 1B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Landfill, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Waterway bank protection/maintenance, Wood cutting or brush clearing Chaparral (openings), Cismontane woodland, Coastal scrub, Playas, Valley and foothill grassland, Vernal pools Clay (often) 25 1120 80 3675 Yes 1974-01-01 Photo of Brodiaea filifolia
© 2016 Keir Morse
Brodiaea pallida Chinese Camp brodiaea Themidaceae perennial bulbiferous herb May-Jun FT CE G1 S1 1B.1 IUCN_EN Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Grazing, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland Serpentine (often) 165 385 540 1265 Yes 1974-01-01 Photo of Brodiaea pallida
© 2014 Robert E. Preston, Ph.D.
Dudleya cymosa ssp. marcescens marcescent dudleya Crassulaceae perennial herb Apr-Jul FT CR G5T2 S2 1B.2 SB_CalBG/RSABG; SB_SBBG Development, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint. Chaparral Rocky, Volcanic 150 520 490 1705 Yes 1974-01-01
No Photo Available
Hesperolinon congestum Marin western flax Linaceae annual herb Apr-Jul FT CT G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Valley and foothill grassland Serpentine 5 370 15 1215 Yes 1974-01-01 Photo of Hesperolinon congestum
© 2009 Neal Kramer
Castilleja affinis var. neglecta Tiburon paintbrush Orobanchaceae perennial herb (hemiparasitic) Apr-Jun FE CT G4G5T1T2 S1S2 1B.2 SB_CalBG/RSABG; SB_UCBG Development, Feral pigs, Foot traffic/trampling, Grazing, Landfill, Mining, Non-native plant impacts, ORV activity, Other Valley and foothill grassland (serpentinite) 60 400 195 1310 Yes 1974-01-01
No Photo Available
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
Dodecahema leptoceras slender-horned spineflower Polygonaceae annual herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Coastal scrub (alluvial fans) Sandy 200 760 655 2495 Yes 1980-01-01
No Photo Available
Cercocarpus traskiae Catalina Island mountain-mahogany Rosaceae perennial evergreen shrub Mar-May FE CE G1 S1 1B.1 IUCN_CR; SB_CalBG/RSABG; SB_CRES Erosion/runoff, Grazing, Hybridization, Insufficient population/stand size, Other Chaparral, Coastal scrub Gabbroic, Rocky 100 250 330 820 Yes 1974-01-01 Photo of Cercocarpus traskiae
© 2021 Zoya Akulova
Hooveria purpurea var. reducta Camatta Canyon amole Agavaceae perennial bulbiferous herb Apr-May FT CR G2T1 S1 1B.1 SB_SBBG Agriculture, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland 305 630 1000 2065 Yes 1974-01-01
No Photo Available
Chorizanthe howellii Howell's spineflower Polygonaceae annual herb May-Jul FE CT G1 S1 1B.2 Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal dunes, Coastal prairie, Coastal scrub Disturbed areas (often), Sandy 0 45 0 150 Yes 1980-01-01
No Photo Available
Chorizanthe orcuttiana Orcutt's spineflower Polygonaceae annual herb Mar-May FE CE G1 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (maritime), Closed-cone coniferous forest, Coastal scrub Openings, Sandy 3 125 10 410 Yes 1980-01-01
No Photo Available
Chorizanthe valida Sonoma spineflower Polygonaceae annual herb Jun-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Coastal prairie (sandy) 10 305 35 1000 Yes 1974-01-01
No Photo Available
Cirsium fontinale var. fontinale fountain thistle Asteraceae perennial herb (Apr)May-Oct FE CE G2T1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Hybridization, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (openings), Cismontane woodland, Meadows and seeps, Valley and foothill grassland Seeps, Serpentine 45 175 150 575 Yes 1974-01-01
No Photo Available
Cirsium fontinale var. obispoense Chorro Creek bog thistle Asteraceae perennial herb Feb-Jul(Aug-Sep) FE CE G2T2 S2 1B.2 SB_CalBG/RSABG; SB_SBBG Agriculture, Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Other, Road/trail construction/maint., Surface water diversion Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland Seeps, Serpentine 35 385 115 1265 Yes 1974-01-01
No Photo Available
Cirsium 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
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
Hesperocyparis abramsiana var. abramsiana Santa Cruz cypress Cupressaceae perennial evergreen tree FT CE G1T1 S1 1B.2 SB_CalBG/RSABG; SB_UCSC Agriculture, Development, Erosion/runoff, Hybridization, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Closed-cone coniferous forest, Lower montane coniferous forest Granitic (sometimes), Sandstone (sometimes) 280 800 920 2625 Yes 1974-01-01 Photo of Hesperocyparis abramsiana var. abramsiana
© 2012 Neal Kramer
Delphinium bakeri Baker's larkspur Ranunculaceae perennial herb Mar-May FE CE G1 S1 1B.1 SB_UCBG Agriculture, Biocides, Grazing, Non-native plant impacts, Other, Over-collecting/poaching, Road/trail construction/maint., Wood cutting or brush clearing Broadleafed upland forest, Coastal scrub, Valley and foothill grassland Mesic (often), Shale 80 305 260 1000 Yes 1974-01-01
No Photo Available
Delphinium luteum golden larkspur Ranunculaceae perennial herb Mar-May FE CR G1 S1 1B.1 SB_UCBG Agriculture, Development, Erosion/runoff, Grazing, Improper burning regime, Non-native plant impacts, Other, Road/trail construction/maint. Chaparral, Coastal prairie, Coastal scrub Rocky 0 100 0 330 Yes 1974-01-01
No Photo Available
Dudleya stolonifera Laguna Beach dudleya Crassulaceae perennial stoloniferous herb May-Jul FT CT G1 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Hybridization, Improper burning regime, Non-native plant impacts, Other, Over-collecting/poaching, Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland Rocky 10 260 35 855 Yes 1974-01-01
No Photo Available
Dudleya traskiae Santa Barbara Island dudleya Crassulaceae perennial herb Feb-Jul FE CE G1 S1 1B.2 SB_SBBG Erosion/runoff Coastal bluff scrub, Coastal scrub Rocky 30 110 100 360 Yes 1974-01-01
No Photo Available
Eriastrum densifolium ssp. sanctorum Santa Ana River woollystar Polemoniaceae perennial herb Apr-Sep FE CE G4T1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Channelization, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Hybridization, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Chaparral, Coastal scrub (alluvial fans) Gravelly (sometimes), Sandy (sometimes) 91 610 300 2000 Yes 1980-01-01
No Photo Available
Eriodictyon altissimum Indian Knob mountainbalm Namaceae perennial evergreen shrub Mar-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_USDA Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland, Coastal scrub Sandstone 80 270 260 885 Yes 1974-01-01
No Photo Available
Eriodictyon capitatum Lompoc yerba santa Namaceae perennial evergreen shrub May-Sep FE CR G2 S2 1B.2 SB_CalBG/RSABG; SB_SBBG; SB_USDA Development, Erosion/runoff, Feral pigs, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral (maritime), Closed-cone coniferous forest, Coastal bluff scrub Sandy 40 900 130 2955 Yes 1974-01-01
No Photo Available
Eriogonum apricum var. apricum Ione buckwheat Polygonaceae perennial herb Jul-Oct FE CE G2T1 S1 1B.1 SB_UCBG Development, Improper burning regime, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (openings, Ione soil) 60 145 195 475 Yes 1974-01-01
No Photo Available
Eriogonum apricum var. prostratum Irish Hill buckwheat Polygonaceae perennial herb Jun-Jul FE CE G2T1 S1 1B.1 Development, Grazing, Mining, ORV activity, Road/trail construction/maint. Chaparral (openings, Ione soil) 90 120 295 395 Yes 1974-01-01
No Photo Available
Pogogyne abramsii San Diego mesa mint Lamiaceae annual herb Mar-Jul FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Foot traffic/trampling, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Vernal pools 90 200 295 655 Yes 1974-01-01
No Photo Available
Pogogyne nudiuscula Otay Mesa mint Lamiaceae annual herb May-Jul FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Vernal pools 90 250 295 820 1974-01-01
No Photo Available
Thelypodium stenopetalum slender-petaled thelypodium Brassicaceae perennial herb May-Sep FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps (mesic, alkaline) 1600 2500 5250 8205 Yes 1974-01-01
No Photo Available
Lessingia germanorum San Francisco lessingia Asteraceae annual herb (Jun)Jul-Nov FE CE G1 S1 1B.1 Development, Non-native plant impacts, Other Coastal scrub (remnant dunes) 25 110 80 360 Yes 1980-01-01 Photo of Lessingia germanorum
© 2019 Aaron Schusteff
Eriophyllum latilobum San Mateo woolly sunflower Asteraceae perennial herb May-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Cismontane woodland (often serpentinite, roadcuts), Coastal scrub, Lower montane coniferous forest 45 330 150 1085 Yes 1974-01-01
No Photo Available
Eryngium aristulatum var. parishii San Diego button-celery Apiaceae annual/perennial herb Apr-Jun FE CE G5T1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing Coastal scrub, Valley and foothill grassland, Vernal pools Mesic 20 620 65 2035 1974-01-01
No Photo Available
Eryngium constancei Loch Lomond button-celery Apiaceae annual/perennial herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Erosion/runoff, Logging, ORV activity, Road/trail construction/maint., Surface water diversion Vernal pools 460 855 1510 2805 Yes 1980-01-01
No Photo Available
Erysimum capitatum var. angustatum Contra Costa wallflower Brassicaceae perennial herb Mar-Jul FE CE G5T1 S1 1B.1 SB_CalBG/RSABG Development, Disking, Non-native plant impacts, Road/trail construction/maint. Inland dunes 3 20 10 65 Yes 1974-01-01
No Photo Available
Erysimum teretifolium Santa Cruz wallflower Brassicaceae perennial herb Mar-Jul FE CE G1 S1 1B.1 SB_UCSC Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Lower montane coniferous forest 120 610 395 2000 Yes 1974-01-01
No Photo Available
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
Fremontodendron mexicanum Mexican flannelbush Malvaceae perennial evergreen shrub Mar-Jun FE CR G2 S1 1B.1 SB_CalBG/RSABG; SB_CRES Erosion/runoff, Foot traffic/trampling, Insufficient population/stand size, Non-native plant impacts, Other, Vandalism/dumping/litter Chaparral, Cismontane woodland, Closed-cone coniferous forest Gabbroic, Serpentine 10 716 35 2350 1974-01-01
No Photo Available
Galium californicum ssp. sierrae El Dorado bedstraw Rubiaceae perennial herb May-Jun FE CR G5T1 S1 1B.2 SB_CalBG/RSABG; SB_UCBG Development, Disease, Disking, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Lower montane coniferous forest Gabbroic 100 585 330 1920 Yes 1974-01-01 Photo of Galium californicum ssp. sierrae
© 2019 John Doyen
Gilia tenuiflora ssp. arenaria Monterey gilia Polemoniaceae annual herb Apr-Jun FE CT G3G4T2 S2 1B.2 SB_CalBG/RSABG Biocides, Development, Erosion/runoff, Foot traffic/trampling, Landfill, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral (maritime), Cismontane woodland, Coastal dunes, Coastal scrub Openings, Sandy 0 45 0 150 Yes 1980-01-01 Photo of Gilia tenuiflora ssp. arenaria
© 2021 Neal Kramer
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
Holocarpha macradenia Santa Cruz tarplant Asteraceae annual herb Jun-Oct FT CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Coastal prairie, Coastal scrub, Valley and foothill grassland Clay (often), Sandy 10 220 35 720 Yes 1974-01-01 Photo of Holocarpha macradenia
© 2011 Dylan Neubauer
Lasthenia burkei Burke's goldfields Asteraceae annual herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Altered flood/tidal/hydrologic regime, Degraded water quality, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Meadows and seeps (mesic), Vernal pools 15 600 50 1970 Yes 1974-01-01 Photo of Lasthenia burkei
© 2015 Neal Kramer
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
Lilium occidentale western lily Liliaceae perennial bulbiferous herb Jun-Jul FE CE G1G2 S1 1B.1 SB_BerrySB Development, Foot traffic/trampling, Grazing, ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint. Bogs and fens, Coastal bluff scrub, Coastal prairie, Coastal scrub, Marshes and swamps (freshwater), North Coast coniferous forest (openings) 2 185 5 605 1974-01-01 Photo of Lilium occidentale
© 2018 Jason Matthias Mills
Lilium 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
Lithophragma maximum San Clemente Island woodland star Saxifragaceae perennial rhizomatous herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Erosion/runoff Coastal bluff scrub, Coastal scrub Rocky 120 400 395 1310 Yes 1974-01-01
No Photo Available
Lupinus constancei Lassics lupine Fabaceae perennial herb Jul FE CE G1 S1 1B.1 SB_BerrySB; USFS_S Improper burning regime, ORV activity, Other Lower montane coniferous forest (serpentinite) 1500 2000 4920 6560 Yes 1980-01-01 Photo of Lupinus constancei
Image by Amelia Ryan
Lupinus nipomensis Nipomo Mesa lupine Fabaceae annual herb Dec-May FE CE G1 S1 1B.1 SB_SBBG Agriculture, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint. Coastal dunes 10 50 35 165 Yes 1974-01-01
No Photo Available
Lupinus tidestromii Tidestrom's lupine Fabaceae perennial rhizomatous herb Apr-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Hybridization, Non-native plant impacts, Other, Recreational use (non-ORV) Coastal dunes 0 100 0 330 Yes 1974-01-01
No Photo Available
Berberis nevinii Nevin's barberry Berberidaceae perennial evergreen shrub (Feb)Mar-Jun FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_SBBG Agriculture, Altered flood/tidal/hydrologic regime, Channelization, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Riparian scrub Gravelly (sometimes), Sandy (sometimes) 70 825 230 2705 Yes 1980-01-01
No Photo Available
Berberis pinnata ssp. insularis island barberry Berberidaceae perennial evergreen shrub Feb-May FE CE G5T1 S1 1B.2 SB_SBBG Erosion/runoff Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub Rocky 75 400 245 1310 Yes 1980-01-01
No Photo Available
Malacothamnus fasciculatus var. nesioticus Santa Cruz Island bush-mallow 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
Sidalcea oregana ssp. valida Kenwood Marsh checkerbloom Malvaceae perennial rhizomatous herb Jun-Sep FE CE G5T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Surface water diversion Marshes and swamps (freshwater) 115 150 375 490 Yes 1974-01-01
No Photo Available
Sidalcea pedata bird-foot checkerbloom Malvaceae perennial herb May-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Meadows and seeps (mesic), Pebble (Pavement) plain 1600 2500 5250 8205 Yes 1974-01-01
No Photo Available
Monardella viminea willowy monardella Lamiaceae perennial herb Jun-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Channelization, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Coastal scrub, Riparian forest, Riparian scrub, Riparian woodland Alluvial Terraces, Washes 50 225 165 740 Yes 1980-01-01 Photo of Monardella viminea
© 2015 Keir Morse
Navarretia leucocephala ssp. pauciflora few-flowered navarretia Polemoniaceae annual herb May-Jun FE CT G4T1 S1 1B.1 BLM_S; SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Feral pigs, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Vernal pools (volcanic ash) 400 855 1310 2805 Yes 1974-01-01 Photo of Navarretia leucocephala ssp. pauciflora
© 2013 Jake Ruygt
Navarretia leucocephala ssp. plieantha many-flowered navarretia Polemoniaceae annual herb May-Jun FE CE G4T1 S1 1B.2 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint. Vernal pools (volcanic ash) 30 950 100 3115 Yes 1974-01-01
No Photo Available
Neostapfia colusana Colusa grass Poaceae annual herb May-Aug FT CE G1 S1 1B.1 Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Pollution, Road/trail construction/maint., Surface water diversion Vernal pools (adobe clay) 5 200 15 655 Yes 1974-01-01
No Photo Available
Nitrophila mohavensis Amargosa nitrophila Amaranthaceae perennial herb May-Oct FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Groundwater pumping, Mining, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Playas (mesic clay) 425 750 1395 2460 1974-01-01
No Photo Available
Oenothera deltoides ssp. howellii Antioch Dunes evening-primrose Onagraceae perennial herb Mar-Sep FE CE G5T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Biocides, Development, Foot traffic/trampling, Mining, Non-native plant impacts, Other, Recreational use (non-ORV) Inland dunes 0 30 0 100 Yes 1974-01-01
No Photo Available
Opuntia basilaris var. treleasei Bakersfield cactus Cactaceae perennial stem Apr-May FE CE G5T1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Waterway bank protection/maintenance Chenopod scrub, Cismontane woodland, Valley and foothill grassland Gravelly (sometimes), Sandy (sometimes) 100 1450 330 4755 Yes 1974-01-01
No Photo Available
Orcuttia californica California Orcutt grass Poaceae annual herb Apr-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_CRES Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Vernal pools 15 660 50 2165 1974-01-01
No Photo Available
Orcuttia inaequalis San Joaquin Valley Orcutt grass Poaceae annual herb Apr-Sep FT CE G1 S1 1B.1 Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Vernal pools 10 755 35 2475 Yes 1974-01-01
No Photo Available
Orcuttia pilosa hairy Orcutt grass Poaceae annual herb May-Sep FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Vernal pools 46 200 150 655 Yes 1980-01-01 Photo of Orcuttia pilosa
© 2003 George W. Hartwell
Orcuttia tenuis slender Orcutt grass Poaceae annual herb May-Sep(Oct) FT CE G2 S2 1B.1 SB_UCBG Altered flood/tidal/hydrologic regime, Biocides, Development, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion Vernal pools Gravelly (often) 35 1760 115 5775 Yes 1974-01-01 Photo of Orcuttia tenuis
© 2013 Justy Leppert
Orcuttia viscida Sacramento Orcutt grass Poaceae annual herb Apr-Jul(Sep) FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Landfill, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Vernal pools 30 100 100 330 Yes 1974-01-01 Photo of Orcuttia viscida
© Rick York and CNPS
Castilleja campestris var. succulenta succulent owl's-clover Orobanchaceae annual herb (hemiparasitic) (Mar)Apr-May FT CE G4?T2T3 S2S3 1B.2 Agriculture, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Landfill, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Vernal pools (often acidic) 50 750 165 2460 Yes 1984-01-01
No Photo Available
Sedella leiocarpa Lake County stonecrop Crassulaceae annual herb Apr-May FE CE G1 S1 1B.1 Agriculture, Disking, Grazing, Non-native plant impacts, Other, Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland, Vernal pools Vernally Mesic, Volcanic 365 790 1200 2590 Yes 1974-01-01
No Photo Available
Pentachaeta bellidiflora white-rayed pentachaeta Asteraceae annual herb Mar-May FE CE G1 S1 1B.1 SB_UCBG Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Vandalism/dumping/litter Cismontane woodland, Valley and foothill grassland (often serpentinite) 35 620 115 2035 Yes 1974-01-01
No Photo Available
Pentachaeta lyonii Lyon's pentachaeta Asteraceae annual herb (Feb)Mar-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Disking, Foot traffic/trampling, Grazing, Improper burning regime, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (openings), Coastal scrub, Valley and foothill grassland Clay, Rocky 30 690 100 2265 Yes 1974-01-01
No Photo Available
Potentilla hickmanii Hickman's cinquefoil Rosaceae perennial herb Apr-Aug FE CE G1 S1 1B.1 SB_UCBG Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV) Closed-cone coniferous forest, Coastal bluff scrub, Marshes and swamps (freshwater), Meadows and seeps (vernally mesic) 10 149 35 490 Yes 1974-01-01
No Photo Available
Pseudobahia bahiifolia Hartweg's golden sunburst Asteraceae annual herb Mar-Apr FE CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Cismontane woodland, Valley and foothill grassland Acidic (often), Clay 15 150 50 490 Yes 1974-01-01
No Photo Available
Tuctoria greenei Greene's tuctoria Poaceae annual herb May-Jul(Sep) FE CR G1 S1 1B.1 Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Surface water diversion Vernal pools 30 1070 100 3510 Yes 1974-01-01 Photo of Tuctoria greenei
©2008 F. Gauna
Tuctoria mucronata Crampton's tuctoria or Solano grass Poaceae annual herb Apr-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Grazing, Insufficient population/stand size, Non-native plant impacts, Other, Over-collecting/poaching, Recreational use (non-ORV) Valley and foothill grassland (mesic), Vernal pools 5 10 15 35 Yes 1974-01-01
No Photo Available
Plagiobothrys strictus Calistoga popcornflower Boraginaceae annual herb Mar-Jun FE CT G1 S1 1B.1 SB_UCBG Development, Other, Road/trail construction/maint. Meadows and seeps, Valley and foothill grassland, Vernal pools Alkaline 90 160 295 525 Yes 1974-01-01
No Photo Available
Phlox hirsuta Yreka phlox Polemoniaceae perennial herb Apr-Jun FE CE G1 S1 1B.2 SB_CalBG/RSABG Development, Grazing, Logging, Non-native plant impacts, ORV activity, Over-collecting/poaching, Road/trail construction/maint., Vandalism/dumping/litter Lower montane coniferous forest, Upper montane coniferous forest Serpentine, Talus 820 1500 2690 4920 Yes 1980-01-01 Photo of Phlox hirsuta
©2015 John Doyen
Poa napensis Napa blue grass Poaceae perennial herb May-Aug FE CE G1 S1 1B.1 SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, ORV activity, Other, Road/trail construction/maint., Surface water diversion Meadows and seeps, Valley and foothill grassland Alkaline 100 200 330 655 Yes 1974-01-01
No Photo Available
Pseudobahia peirsonii San Joaquin adobe sunburst Asteraceae annual herb Feb-Apr FT CE G1 S1 1B.1 SB_CalBG/RSABG Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion Cismontane woodland, Valley and foothill grassland Adobe, Clay 90 800 295 2625 Yes 1974-01-01
No Photo Available
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
Packera layneae Layne's ragwort Asteraceae perennial herb Apr-Aug FT CR G2 S2 1B.2 SB_CalBG/RSABG; SB_UCBG; SB_UCSC Agriculture, Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Grazing, Landfill, Logging, Mining, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral, Cismontane woodland Gabbroic (sometimes), Rocky, Serpentine (sometimes) 200 1085 655 3560 Yes 1974-01-01
No Photo Available
Streptanthus glandulosus ssp. niger Tiburon jewelflower Brassicaceae annual herb May-Jun FE CE G4T1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Valley and foothill grassland (serpentinite) 30 150 100 490 Yes 1974-01-01
No Photo Available
Swallenia alexandrae Eureka Valley dune grass Poaceae perennial rhizomatous herb Apr-Jun FT CR G2 S2 1B.2 SB_CalBG/RSABG ORV activity Desert dunes 850 1280 2790 4200 Yes 1974-01-01
No Photo Available
Trifolium trichocalyx Monterey clover Fabaceae annual herb Apr-Jun FE CE G1 S1 1B.1 SB_UCBG; SB_USDA Development, Improper burning regime, Logging, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Closed-cone coniferous forest (burned areas, openings, sandy) 30 305 100 1000 Yes 1974-01-01
No Photo Available
Verbena californica Red Hills vervain Verbenaceae perennial herb May-Sep FT CT G2 S2 1B.1 SB_CalBG/RSABG; SB_UCBG Altered flood/tidal/hydrologic regime, Development, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Vandalism/dumping/litter Cismontane woodland, Valley and foothill grassland Mesic, Seeps (usually), Serpentine (usually) 260 400 855 1310 Yes 1984-01-01
No Photo Available
Verbesina dissita big-leaved crownbeard Asteraceae perennial herb (Mar)Apr-Jul FT CT G1G2 S1 1B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Coastal scrub 45 205 150 675 1984-01-01
No Photo Available
Ceanothus ophiochilus Vail Lake ceanothus Rhamnaceae perennial evergreen shrub Feb-Mar FT CE G1 S1 1B.1 SB_CalBG/RSABG Development, Hybridization, Improper burning regime, Non-native plant impacts, Road/trail construction/maint. Chaparral (gabbroic, pyroxenite-rich outcrops) 580 1065 1905 3495 Yes 1994-01-01
No Photo Available
Polygonum hickmanii Scotts Valley polygonum Polygonaceae annual herb May-Aug FE CE G1 S1 1B.1 Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Insufficient population/stand size, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Valley and foothill grassland (mudstone, sandstone) 210 250 690 820 Yes 2001-01-01
No Photo Available
Hesperocyparis abramsiana var. butanoensis Butano Ridge cypress Cupressaceae perennial evergreen tree Oct FT CE G1T1 S1 1B.2 SB_CalBG/RSABG Improper burning regime, Logging, Mining Chaparral, Closed-cone coniferous forest, Lower montane coniferous forest Sandstone 400 490 1310 1610 Yes 2011-12-19 Photo of Hesperocyparis abramsiana var. butanoensis
© 2011 Joey Malone
Erysimum menziesii Menzies' wallflower Brassicaceae perennial herb Mar-Sep FE CE G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Development, Erosion/runoff, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Coastal dunes 0 35 0 115 Yes 1974-01-01 Photo of Erysimum menziesii
©2007 Steve Matson