CNPS Rare Plant Inventory

507 matches found. Click on scientific name for details

Search Criteria: Common Name starts with S

Scientific Name	Common Name	Family	Lifeform	Blooming Period	Fed List	State List	Global Rank	State Rank	CA Rare Plant Rank	Other Status	Threats	General Habitats	Microhabitats	Lowest Elevation (m)	Highest Elevation (m)	Lowest Elevation (ft)	Highest Elevation (ft)	CA Endemic	Date Added	Photo
Ambrosia pumila	San Diego ambrosia	Asteraceae	perennial rhizomatous herb	Apr-Oct	FE	None	G1	S1	1B.1	SB_CRES	Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools	Alkaline (sometimes), Clay (sometimes), Disturbed areas (often), Loam (sometimes), Sandy (sometimes)	20	415	65	1360		1974-01-01	© 2010 Benjamin Smith
Androsace filiformis	slender-stemmed androsace	Primulaceae	annual herb	Jun-Oct	None	None	G4	S1	2B.3		Grazing, Recreational use (non-ORV)	Meadows and seeps, Upper montane coniferous forest		1800	1830	5905	6005		1988-01-01	©2019 Belinda Lo
Androstephium breviflorum	small-flowered androstephium	Themidaceae	perennial bulbiferous herb	Mar-Apr	None	None	G5	S2?	2B.2		Development, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Desert dunes, Mojavean desert scrub (bajadas)		220	800	720	2625		1974-01-01	© 2005 James M. Andre
Hartmaniella sierrae	Sierra starwort	Caryophyllaceae	perennial rhizomatous herb	May-Aug	None	None	G3G4	S3S4	4.2			Chaparral, Cismontane woodland, Lower montane coniferous forest, Upper montane coniferous forest		1225	2194	4020	7200	Yes	2004-01-01	No Photo Available
Arctostaphylos catalinae	Santa Catalina Island manzanita	Ericaceae	perennial evergreen shrub	(Feb)Mar-Apr(May)	None	None	G2?	S2?	1B.2	IUCN_VU; SB_CalBG/RSABG	Grazing, Non-native animal impacts	Chaparral (volcanic)		75	600	245	1970	Yes	1974-01-01	© 2020 Zoya Akulova
Arctostaphylos confertiflora	Santa Rosa Island manzanita	Ericaceae	perennial evergreen shrub	Feb-Apr	FE	None	G2	S2	1B.2	SB_CalBG/RSABG; SB_SBBG; SB_USDA	Erosion/runoff	Broadleafed upland forest, Chaparral, Closed-cone coniferous forest	Rocky, Sandstone	40	500	130	1640	Yes	1974-01-01	© 2006 Steve Matson
Arctostaphylos glutinosa	Schreiber's manzanita	Ericaceae	perennial evergreen shrub	Mar-Apr(Nov)	None	None	G1	S1	1B.2	SB_CalBG/RSABG; SB_UCSC; SB_USDA	Development, Logging, Road/trail construction/maint.	Chaparral, Closed-cone coniferous forest		170	685	560	2245	Yes	1974-01-01	© 2011 Neal Kramer
Arctostaphylos pilosula	Santa Margarita manzanita	Ericaceae	perennial evergreen shrub	Dec-May	None	None	G2?	S2?	1B.2	BLM_S; SB_SBBG; USFS_S	Agriculture, Dam/Inundation, Development, Erosion/runoff, Grazing, Hybridization, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing	Broadleafed upland forest, Chaparral, Cismontane woodland, Closed-cone coniferous forest	Sandstone (sometimes)	75	1100	245	3610	Yes	1974-01-01	No Photo Available
Arctostaphylos pumila	sandmat manzanita	Ericaceae	perennial evergreen shrub	Feb-May	None	None	G1	S1	1B.2	BLM_S; SB_SBBG	Biocides, Development, Disease, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral (maritime), Cismontane woodland, Closed-cone coniferous forest, Coastal dunes, Coastal scrub	Openings, Sandy	3	205	10	675	Yes	1974-01-01	No Photo Available
Arctostaphylos rudis	sand mesa manzanita	Ericaceae	perennial evergreen shrub	Nov-Feb	None	None	G2	S2	1B.2	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 monanthus	single-flowered mariposa-lily	Liliaceae	perennial bulbiferous herb	Jun	None	None	GX	SX	1A		Grazing, Non-native plant impacts	Meadows and seeps		745	800	2445	2625	Yes	1974-01-01	No Photo Available
Calochortus obispoensis	San Luis mariposa-lily	Liliaceae	perennial bulbiferous herb	May-Jul	None	None	G2	S2	1B.2	SB_CalBG/RSABG; SB_SBBG; USFS_S	Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland	Serpentine (often)	50	730	165	2395	Yes	1974-01-01	No Photo Available
Calochortus palmeri var. munzii	San Jacinto mariposa-lily	Liliaceae	perennial bulbiferous herb	Apr-Jul	None	None	G3T3	S3	1B.2	BLM_S; SB_CalBG/RSABG; USFS_S	Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing	Chaparral, Lower montane coniferous forest, Meadows and seeps		855	2200	2805	7220	Yes	1974-01-01	No Photo Available
Calochortus persistens	Siskiyou mariposa-lily	Liliaceae	perennial bulbiferous herb	Jun-Jul	None	CR	G2	S2	1B.2	SB_BerrySB; USFS_S	Foot traffic/trampling, Improper burning regime, Logging, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint.	Lower montane coniferous forest, North Coast coniferous forest	Acidic, Rocky	1000	1860	3280	6105		1974-01-01	©2014 Scot Loring
Calochortus westonii	Shirley Meadows star-tulip	Liliaceae	perennial bulbiferous herb	May-Jun	None	None	G3	S3	1B.2	BLM_S; SB_CalBG/RSABG; SB_UCSC; USFS_S	Development, Foot traffic/trampling, Grazing, Improper burning regime, Logging, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Broadleafed upland forest, Lower montane coniferous forest, Meadows and seeps	Granitic	1500	2105	4920	6905	Yes	1974-01-01	No Photo Available
Calyptridium parryi var. hesseae	Santa Cruz Mountains pussypaws	Montiaceae	annual herb	May-Aug	None	None	G3G4T2	S2	1B.1	BLM_S; SB_UCBG	Development, Non-native plant impacts, ORV activity, Other	Chaparral, Cismontane woodland	Gravelly (sometimes), Openings, Sandy (sometimes)	305	1530	1000	5020	Yes	1984-01-01	No Photo Available
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
Abies lasiocarpa var. lasiocarpa	subalpine fir	Pinaceae	perennial evergreen tree		None	None	G5T5	S3	2B.3		Grazing	Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest		945	2225	3100	7300		1974-01-01	©2021 Scot Loring
Acanthomintha ilicifolia	San Diego thorn-mint	Lamiaceae	annual herb	Apr-Jun	FT	CE	G1	S1	1B.1	SB_CalBG/RSABG; SB_CRES	Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools	Clay, Openings	10	960	35	3150		1974-01-01	© 2013 Keir Morse
Acanthomintha lanceolata	Santa Clara thorn-mint	Lamiaceae	annual herb	Mar-Jun	None	None	G4	S4	4.2	SB_CalBG/RSABG		Chaparral (often serpentinite), Cismontane woodland, Coastal scrub	Rocky	80	1200	260	3935	Yes	1974-01-01	© 2005 Barry Breckling
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	© 2011 Aaron Schusteff
Acanthomintha obovata ssp. obovata	San Benito thorn-mint	Lamiaceae	annual herb	Apr-Jul	None	None	G4T3T4	S3S4	4.2			Chaparral, Cismontane woodland, Valley and foothill grassland	Alkaline, Clay, Serpentine	395	1500	1295	4920	Yes	1974-01-01	© 2013 Chris Winchell
Agave shawii var. shawii	Shaw's agave	Agavaceae	perennial leaf	Sep-May	None	None	G2G3T2T3	S1	2B.1	IUCN_EN; SB_CalBG/RSABG; SB_SBBG	Development, Erosion/runoff, Foot traffic/trampling, Military operations, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Coastal bluff scrub, Coastal scrub		3	120	10	395		1974-01-01	©2017 Keir Morse
Allium sharsmithiae	Sharsmith's onion	Alliaceae	perennial bulbiferous herb	Mar-May	None	None	G2	S2	1B.3	BLM_S	Feral pigs, Mining, Over-collecting/poaching, Road/trail construction/maint.	Chaparral, Cismontane woodland	Rocky, Serpentine	400	1200	1310	3935	Yes	1980-01-01	© 2017 John Doyen
Allium shevockii	Spanish Needle onion	Alliaceae	perennial bulbiferous herb	May-Jun	None	None	G2	S2	1B.3	BLM_S; SB_CalBG/RSABG	Development, Grazing, Other, Recreational use (non-ORV), Road/trail construction/maint.	Pinyon and juniper woodland, Upper montane coniferous forest	Rocky	850	2500	2790	8205	Yes	1988-01-01	© 2009 Aaron Schusteff
Allium siskiyouense	Siskiyou onion	Alliaceae	perennial bulbiferous herb	(Apr)May-Jul	None	None	G4	S4	4.3	SB_CalBG/RSABG		Lower montane coniferous forest, Upper montane coniferous forest	Rocky, Serpentine (sometimes)	855	2500	2805	8205		1974-01-01	John Doyen 2019
Alopecurus aequalis var. sonomensis	Sonoma alopecurus	Poaceae	perennial herb	May-Jul	FE	None	G5T1	S1	1B.1	SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Other	Marshes and swamps (freshwater), Riparian scrub		5	365	15	1200	Yes	1974-01-01	© 2013 Vernon Smith
Ambrosia chenopodiifolia	San Diego bur-sage	Asteraceae	perennial shrub	Apr-Jun	None	None	G2G3	S1	2B.1	SB_CalBG/RSABG; SB_CRES	Agriculture, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Coastal scrub		55	155	180	510		1974-01-01	© 2020 Keir Morse
Arctostaphylos imbricata	San Bruno Mountain manzanita	Ericaceae	perennial evergreen shrub	Feb-May	None	CE	G1	S1	1B.1		ORV activity, Other	Chaparral, Coastal scrub	Rocky	275	370	900	1215	Yes	1974-01-01	© 2013 Robert Sikora
Arctostaphylos luciana	Santa Lucia manzanita	Ericaceae	perennial evergreen shrub	Dec-Mar	None	None	G2	S2	1B.2	SB_CalBG/RSABG; SB_UCSC; USFS_S		Chaparral, Cismontane woodland	Shale	350	850	1150	2790	Yes	1974-01-01	© 2011 David Graber
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	© 2018 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
Camissonia benitensis	San Benito evening-primrose	Onagraceae	annual herb	Apr-Jun	FD	None	G2	S2	1B.1	SB_SBBG; SB_UCBG	Altered flood/tidal/hydrologic regime, Development, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Chaparral, Cismontane woodland, Valley and foothill grassland	Carbonate (sometimes), Gravelly (sometimes), Serpentine	600	1280	1970	4200	Yes	1974-01-01	© 2005 David A Tharp
Collomia diversifolia	serpentine collomia	Polemoniaceae	annual herb	May-Jun	None	None	G4	S4	4.3	SB_UCSC		Chaparral, Cismontane woodland	Gravelly (sometimes), Rocky (sometimes), Serpentine (sometimes)	200	600	655	1970	Yes	1974-01-01	©2019 Zoya Akulova
Comarostaphylis diversifolia ssp. diversifolia	summer holly	Ericaceae	perennial evergreen shrub	Apr-Jun	None	None	G3T2	S2	1B.2	BLM_S; SB_CalBG/RSABG; SB_CRES	Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Improper burning regime, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Cismontane woodland		30	790	100	2590		1980-01-01	No Photo Available
Antennaria flagellaris	stoloniferous pussy-toes	Asteraceae	perennial stoloniferous herb	(Apr)May-Aug	None	None	G4	S3	4.2		Grazing, Mining, Other, Road/trail construction/maint.	Great Basin scrub (vernally mesic)		1450	2220	4755	7285		1984-01-01	© 2011 Matt Below
Dudleya abramsii ssp. affinis	San Bernardino Mountains dudleya	Crassulaceae	perennial herb	Apr-Jul	None	None	G4T2	S2	1B.2	BLM_S; SB_CalBG/RSABG; USFS_S	Development, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Pebble (Pavement) plain, Pinyon and juniper woodland, Upper montane coniferous forest	Carbonate (sometimes), Granitic (sometimes)	1250	2600	4100	8530	Yes	1988-01-01	No Photo Available
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
Carex sheldonii	Sheldon's sedge	Cyperaceae	perennial rhizomatous herb	May-Aug	None	None	G4	S2	2B.2		Altered flood/tidal/hydrologic regime, Dam/Inundation, Degraded water quality, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Lower montane coniferous forest (mesic), Marshes and swamps (freshwater), Riparian scrub		1200	2012	3935	6600		1980-01-01	©2015 Steve Matson
Clarkia exilis	slender clarkia	Onagraceae	annual herb	Apr-May	None	None	G3	S3	4.3	SB_UCBG		Cismontane woodland		120	1000	395	3280	Yes	1974-01-01	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
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
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	© 2014 John Doyen
Boechera peirsonii	San Bernardino rockcress	Brassicaceae	perennial herb	Mar-Aug	None	None	G1	S1	1B.2	SB_CalBG/RSABG; USFS_S	Erosion/runoff, Foot traffic/trampling, Over-collecting/poaching, Recreational use (non-ORV)	Subalpine coniferous forest (rocky)		2700	3200	8860	10500	Yes	1980-01-01	No Photo Available
Boechera shockleyi	Shockley's rockcress	Brassicaceae	perennial herb	May-Jun	None	None	G3	S2	2B.2	SB_CalBG/RSABG; USFS_S	Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Pinyon and juniper woodland (carbonate, gravelly, quartzite, rocky)		875	2310	2870	7580		1974-01-01	No Photo Available
Atriplex coronata var. notatior	San Jacinto Valley crownscale	Chenopodiaceae	annual herb	Apr-Aug	FE	None	G4T1	S1	1B.1	SB_CalBG/RSABG	Agriculture, Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Disking, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter	Playas, Valley and foothill grassland (mesic), Vernal pools	Alkaline	139	500	455	1640	Yes	1988-01-01	© 2008 Larry Sward
Extriplex joaquinana	San Joaquin spearscale	Chenopodiaceae	annual herb	Apr-Oct	None	None	G2	S2	1B.2	BLM_S; SB_CalBG/RSABG	Agriculture, Biocides, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Landfill, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance	Chenopod scrub, Meadows and seeps, Playas, Valley and foothill grassland	Alkaline	1	835	5	2740	Yes	1988-01-01	No Photo Available
Ceanothus sonomensis	Sonoma ceanothus	Rhamnaceae	perennial evergreen shrub	Feb-Apr	None	None	G2	S2	1B.2	SB_SBBG	Development, Improper burning regime, Other, Road/trail construction/maint.	Chaparral (sandy, serpentinite, volcanic)		215	800	705	2625	Yes	1974-01-01	No Photo Available
Delphinium stachydeum	spiked larkspur	Ranunculaceae	perennial herb	Jun-Aug	None	None	G5?	S3	2B.3		Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Great Basin scrub, Upper montane coniferous forest (edges)	Rocky	1300	2600	4265	8530		1974-01-01	No Photo Available
Delphinium uliginosum	swamp larkspur	Ranunculaceae	perennial herb	May-Jun	None	None	G3	S3	4.2	SB_UCBG		Chaparral, Valley and foothill grassland	Seeps, Serpentine	340	610	1115	2000	Yes	1974-01-01	No Photo Available
Eriogonum shockleyi var. shockleyi	Shockley's buckwheat	Polygonaceae	perennial herb	May-Jul	None	None	G5T4?	S3	4.3			Pinyon and juniper woodland (gravelly, carbonate)		1700	2700	5580	8860		1974-01-01	No Photo Available
Eriogonum siskiyouense	Siskiyou buckwheat	Polygonaceae	perennial herb	(Jun)Jul-Sep	None	None	G3	S3	4.3			Lower montane coniferous forest (rocky, often serpentinite)		970	2740	3185	8990	Yes	1974-01-01	© 2017 Julie Kierstead
Hazardia cana	San Clemente Island hazardia	Asteraceae	perennial evergreen shrub	Jun-Sep	None	None	G3	S3	1B.2			Coastal bluff scrub, Coastal scrub, Riparian forest		60	500	195	1640		1974-01-01	© 2009 Zoya Akulova
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	© 2015 Vernon Smith
Linanthus concinnus	San Gabriel linanthus	Polemoniaceae	annual herb	Apr-Jul	None	None	G2	S2	1B.2	SB_CalBG/RSABG; USFS_S	Development, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint.	Chaparral, Lower montane coniferous forest, Upper montane coniferous forest	Openings, Rocky	1520	2800	4985	9185	Yes	1974-01-01	© 2019 RT Hawke
Mimulus rattanii ssp. decurtatus	Santa Cruz County monkeyflower	Phrymaceae	annual herb	May-Jul	None	None	G4T1T3Q	S1S2	4.2	SB_UCBG		Chaparral, Lower montane coniferous forest	Gravelly, Lake Margins	400	500	1310	1640	Yes	1974-01-01	No Photo Available
Arnica cernua	serpentine arnica	Asteraceae	perennial rhizomatous herb	Apr-Jul	None	None	G5	S4	4.3			Lower montane coniferous forest (serpentinite)		500	1920	1640	6300		1974-01-01	© 2021 Scot Loring
Arnica venosa	Shasta County arnica	Asteraceae	perennial rhizomatous herb	May-Jul(Sep)	None	None	G3	S3	4.2			Cismontane woodland, Lower montane coniferous forest	Disturbed areas (often), Roadsides (often)	335	1490	1100	4890	Yes	1974-01-01	©2005 Dean Wm. Taylor
Eastwoodiella californica	swamp harebell	Campanulaceae	perennial rhizomatous herb	Jun-Oct	None	None	G3	S3	1B.2	BLM_S; SB_CalBG/RSABG	Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Degraded water quality, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing	Bogs and fens, Closed-cone coniferous forest, Coastal prairie, Marshes and swamps (freshwater), Meadows and seeps, North Coast coniferous forest	Mesic	1	405	5	1330	Yes	1974-01-01	No Photo Available
Ravenella sharsmithiae	Sharsmith's harebell	Campanulaceae	annual herb	Apr-Jun	None	None	G1G2	S1S2	1B.2			Chaparral (rocky, serpentinite)		490	855	1610	2805	Yes	1984-01-01	No Photo Available
Draba incrassata	Sweetwater Mountains draba	Brassicaceae	perennial stoloniferous herb	Jul-Aug	None	None	G2G3	S2S3	1B.3	USFS_S	ORV activity, Road/trail construction/maint.	Alpine boulder and rock field (rhyolitic talus)		2500	3965	8205	13010	Yes	1980-01-01	No Photo Available
Draba sierrae	Sierra draba	Brassicaceae	perennial herb	Jun-Aug	None	None	G3	S3	1B.3			Alpine boulder and rock field (carbonate, granitic)		3500	4265	11485	13995	Yes	1974-01-01	No Photo Available
Artemisia palmeri	San Diego sagewort	Asteraceae	perennial deciduous shrub	(Feb)May-Sep	None	None	G3?	S3?	4.2	SB_CRES	Development, Foot traffic/trampling, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter	Chaparral, Coastal scrub, Riparian forest, Riparian scrub, Riparian woodland	Mesic, Sandy	5	915	15	3000		1974-01-01	No Photo Available
Symphyotrichum lentum	Suisun Marsh aster	Asteraceae	perennial rhizomatous herb	(Apr)May-Nov	None	None	G2	S2	1B.2	SB_CalBG/RSABG; SB_USDA	Biocides, Development, Erosion/runoff, Foot traffic/trampling, Military operations, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Waterway bank protection/maintenance	Marshes and swamps (brackish, freshwater)		0	3	0	10	Yes	1974-01-01	No Photo Available
Astragalus argophyllus var. argophyllus	silver-leaved milk-vetch	Fabaceae	perennial herb	May-Jul	None	None	G5T4	S2	2B.2	BLM_S	Development, Grazing, Groundwater pumping, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter	Meadows and seeps, Playas	Alkaline (sometimes)	1240	2350	4070	7710		1980-01-01	© 2020 Steve Matson
Astragalus crotalariae	Salton milk-vetch	Fabaceae	perennial herb	Jan-Apr	None	None	G4G5	S4	4.3	IUCN_LC; SB_CRES; SB_USDA		Sonoran desert scrub (gravelly, sandy)		-60	250	-195	820		1974-01-01	No Photo Available
Astragalus inversus	Susanville milk-vetch	Fabaceae	perennial herb	May-Sep	None	None	G4	S4	4.3			Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland	Disturbed areas (often)	885	1850	2905	6070	Yes	1974-01-01	©2021 Steve Matson
Astragalus kentrophyta var. danaus	Sweetwater Mountains milk-vetch	Fabaceae	perennial herb	Jul-Sep	None	None	G5T4	S4	4.3			Alpine boulder and rock field, Subalpine coniferous forest (rocky, talus)		3000	3660	9845	12010		1974-01-01	No Photo Available
Astragalus kentrophyta var. elatus	spiny-leaved milk-vetch	Fabaceae	perennial herb	Jun-Sep	None	None	G5T4	S2	2B.2		Road/trail construction/maint.	Subalpine coniferous forest (sometimes carbonate, rocky)		3000	3490	9845	11450		1974-01-01	No Photo Available
Astragalus lentiginosus var. micans	shining milk-vetch	Fabaceae	perennial herb	Mar-Jun	None	None	G5T1	S1	1B.2	SB_CalBG/RSABG; SB_USDA	Foot traffic/trampling, Non-native plant impacts, ORV activity, Recreational use (non-ORV)	Desert dunes		770	1175	2525	3855	Yes	1974-01-01	No Photo Available
Astragalus lentiginosus var. sesquimetralis	Sodaville milk-vetch	Fabaceae	perennial herb	Apr-Jul	None	CE	G5T1	S1	1B.1		Foot traffic/trampling, Grazing, Non-native animal impacts	Meadows and seeps (alkaline)		955	975	3135	3200		1974-01-01	No Photo Available
Astragalus macrodon	Salinas milk-vetch	Fabaceae	perennial herb	Apr-Jul	None	None	G4	S4	4.3			Chaparral (openings), Cismontane woodland, Valley and foothill grassland	Sandstone (sometimes), Serpentine (sometimes), Shale (sometimes)	250	950	820	3115	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 nevinii	San Clemente Island milk-vetch	Fabaceae	perennial herb	Feb-Jul	None	None	G3	S3	1B.2	SB_CalBG/RSABG; SB_CRES	Non-native plant impacts	Coastal dunes, Coastal scrub, Valley and foothill grassland		5	225	15	740	Yes	1974-01-01	No Photo Available
Astragalus oocarpus	San Diego milk-vetch	Fabaceae	perennial herb	May-Aug	None	None	G2?	S2?	1B.2	BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral (openings), Cismontane woodland		305	1524	1000	5000	Yes	1974-01-01	No Photo Available
Astragalus serenoi var. shockleyi	Shockley's milk-vetch	Fabaceae	perennial herb	(Apr)May-Jul	None	None	G4T3	S3	2B.2		Erosion/runoff, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV)	Chenopod scrub, Great Basin scrub, Pinyon and juniper woodland	Alkaline	1500	2320	4920	7610		1988-01-01	No Photo Available
Astragalus shevockii	Shevock's milk-vetch	Fabaceae	perennial herb	Jun-Jul	None	None	G2	S2	1B.3	BLM_S		Upper montane coniferous forest (granitic, sandy)		1890	1965	6200	6445	Yes	1980-01-01	No Photo Available
Balsamorhiza sericea	silky balsamroot	Asteraceae	perennial herb	Apr-May(Jun-Jul)	None	None	G3	S3	1B.3	SB_BerrySB; SB_CalBG/RSABG	Improper burning regime, Logging, Other, Road/trail construction/maint.	Lower montane coniferous forest (serpentinite)		850	2130	2790	6990		1984-01-01	© 2021 Scot Loring
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
Bolandra californica	Sierra bolandra	Saxifragaceae	perennial herb	Jun-Jul	None	None	G4	S4	4.3			Lower montane coniferous forest, Upper montane coniferous forest	Mesic, Rocky	975	2450	3200	8040	Yes	1974-01-01	No Photo Available
Botrychium crenulatum	scalloped moonwort	Ophioglossaceae	perennial rhizomatous herb	Jun-Sep	None	None	G4	S3	2B.2	USFS_S	Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Groundwater pumping, Improper burning regime, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Bogs and fens, Lower montane coniferous forest, Marshes and swamps (freshwater), Meadows and seeps, Upper montane coniferous forest		1268	3280	4160	10760		1984-01-01	© 2016 Steve Matson
Brodiaea kinkiensis	San Clemente Island brodiaea	Themidaceae	perennial bulbiferous herb	May-Jun	None	None	G2	S2	1B.2	SB_CalBG/RSABG; SB_CRES		Valley and foothill grassland (clay)		305	600	1000	1970	Yes	1974-01-01	© 2011 Neal Kramer
Calamagrostis ophitidis	serpentine reed grass	Poaceae	perennial herb	Apr-Jul	None	None	G3	S3	4.3			Chaparral (openings, often north-facing slopes), Lower montane coniferous forest, Meadows and seeps, Valley and foothill grassland	Rocky, Serpentine	90	1065	295	3495	Yes	1974-01-01	No Photo Available
Clinopodium chandleri	San Miguel savory	Lamiaceae	perennial shrub	Mar-Jul	None	None	G2G3	S2	1B.2	BLM_S; SB_CRES; USFS_S	Biocides, Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland, Valley and foothill grassland	Gabbroic (sometimes), Rocky (sometimes)	120	1075	395	3525		1974-01-01	No Photo Available
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
Camissoniopsis guadalupensis ssp. clementina	San Clemente Island evening-primrose	Onagraceae	annual herb	Apr-Jun	None	None	G3T2	S2	1B.2	SB_CalBG/RSABG; SB_CRES	Development, Non-native plant impacts	Coastal dunes		0	30	0	100	Yes	1974-01-01	No Photo Available
Carex duriuscula	spikerush sedge	Cyperaceae	perennial rhizomatous herb	Jul-Aug	None	None	G5	S2	2B.3			Great Basin scrub, Subalpine coniferous forest		3500	4100	11485	13450		1980-01-01	No Photo Available
Carex scabriuscula	Siskiyou sedge	Cyperaceae	perennial rhizomatous herb	May-Jul	None	None	G3G4	S4	4.3	SB_BerrySB; SB_UCSC		Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest	Mesic, Seeps (sometimes), Serpentine (sometimes)	710	2345	2330	7695		1980-01-01	©2009 Julie Kierstead Nelson
Carex obispoensis	San Luis Obispo sedge	Cyperaceae	perennial cespitose herb	Apr-Jun	None	None	G3?	S3?	1B.2	BLM_S; SB_SBBG; USFS_S	Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Feral pigs, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Chaparral, Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland	Clay (often), Gabbroic (sometimes), Seeps (often), Serpentine (often)	10	820	35	2690	Yes	1974-01-01	No Photo Available
Dudleya brevifolia	short-leaved dudleya	Crassulaceae	perennial herb	Apr-May	None	CE	G1	S1	1B.1	SB_CalBG/RSABG; SB_CRES	Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Chaparral (maritime, openings), Coastal scrub	Sandstone	30	250	100	820	Yes	1980-01-01	No Photo Available
Dudleya cymosa ssp. crebrifolia	San Gabriel River dudleya	Crassulaceae	perennial herb	Apr-Jul	None	None	G5T2	S2	1B.2	SB_CalBG/RSABG; USFS_S	Erosion/runoff, Road/trail construction/maint.	Chaparral (granitic)		275	457	900	1500	Yes	1988-01-01	No Photo Available
Dudleya cymosa ssp. ovatifolia	Santa Monica dudleya	Crassulaceae	perennial herb	Mar-Jun	FT	None	G5T1	S1	1B.1	SB_CalBG/RSABG; SB_SBBG	Improper burning regime, Non-native plant impacts, Recreational use (non-ORV), Vandalism/dumping/litter	Chaparral, Coastal scrub	Rocky, Volcanic (sometimes)	150	1675	490	5495	Yes	1974-01-01	No Photo Available
Dudleya densiflora	San Gabriel Mountains dudleya	Crassulaceae	perennial herb	Mar-Jul	None	None	G2	S2	1B.1	SB_CalBG/RSABG; USFS_S	Improper burning regime, Mining, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint.	Chaparral, Cismontane woodland, Coastal scrub, Lower montane coniferous forest, Riparian woodland	Granitic	244	610	800	2000	Yes	1974-01-01	No Photo Available
Dudleya 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
Lomatium insulare	San Nicolas Island lomatium	Apiaceae	perennial herb	Jan-Apr(Jun)	None	None	G3	S2S3	1B.2	SB_CalBG/RSABG		Coastal bluff scrub (sandy)		15	800	50	2625		1974-01-01	No Photo Available
Castilleja brevilobata	short-lobed paintbrush	Orobanchaceae	perennial herb (hemiparasitic)	Apr-Jul	None	None	G4	S3	4.2			Lower montane coniferous forest (edges, openings, serpentinite)		120	1700	395	5580		1974-01-01	© 2021 Scot Loring
Castilleja elata	Siskiyou paintbrush	Orobanchaceae	perennial herb (hemiparasitic)	May-Aug	None	None	G3	S2S3	2B.2		Foot traffic/trampling, Logging, Mining, Other, Road/trail construction/maint.	Bogs and fens, Lower montane coniferous forest (seeps)	Serpentine (often)	0	1750	0	5740		1980-01-01	© 2021 Scot Loring
Castilleja grisea	San Clemente Island paintbrush	Orobanchaceae	perennial herb (hemiparasitic)	Feb-Aug(Dec)	FD	CE	G3	S3	1B.3	SB_CalBG/RSABG; SB_SBBG	Erosion/runoff, Improper burning regime	Coastal bluff scrub, Coastal scrub	Rocky	10	535	35	1755	Yes	1974-01-01	© 2014 John Game
Castilleja mollis	soft-leaved paintbrush	Orobanchaceae	perennial herb (hemiparasitic)	Apr-Aug	FE	None	G2	S2	1B.1	SB_SBBG		Coastal bluff scrub, Coastal dunes		5	20	15	65	Yes	1974-01-01	No Photo Available
Castilleja schizotricha	split-hair paintbrush	Orobanchaceae	perennial herb (hemiparasitic)	Jul-Aug	None	None	G4	S2S3	1B.3	SB_BerrySB		Upper montane coniferous forest	Carbonate (often), Decomposed granitic, Serpentine (often)	1500	2300	4920	7545		1984-01-01	© 2014 Scot Loring
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	© 2017 John B Moule
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
Carnegiea gigantea	saguaro	Cactaceae	perennial stem	May-Jun	None	None	G5	S1	2B.2	IUCN_LC; SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Non-native animal impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Sonoran desert scrub (rocky)		50	1500	165	4920		1984-01-01	No Photo Available
Chaenactis suffrutescens	Shasta chaenactis	Asteraceae	perennial herb	May-Sep	None	None	G2G3	S2S3	1B.3	BLM_S; SB_BerrySB; USFS_S	Altered flood/tidal/hydrologic regime, Dam/Inundation, Development, Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Lower montane coniferous forest, Upper montane coniferous forest	Sandy, Serpentine	750	2800	2460	9185		1974-01-01	© 2015 Steve Matson
Chamaebatia australis	southern mountain misery	Rosaceae	perennial evergreen shrub	Nov-May	None	None	G4	S4	4.2	SB_CRES		Chaparral (gabbroic, metavolcanic)		300	1020	985	3345		1974-01-01	© 2007 Andrew Borcher
Euphorbia ocellata ssp. rattanii	Stony Creek spurge	Euphorbiaceae	annual herb	May-Oct	None	None	G4T2?	S2?	1B.2	BLM_S	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, ORV activity, Other, Recreational use (non-ORV)	Chaparral, Riparian scrub (streambanks), Valley and foothill grassland (sandy, rocky)		65	800	215	2625	Yes	1980-01-01	No Photo Available
Astrolepis cochisensis ssp. cochisensis	scaly cloak fern	Pteridaceae	perennial rhizomatous herb	Apr-Oct	None	None	G5?T4	S2	2B.3	SB_CalBG/RSABG	Development, Erosion/runoff, Non-native plant impacts, Other, Road/trail construction/maint.	Joshua tree "woodland", Pinyon and juniper woodland	Carbonate	900	1800	2955	5905		1994-01-01	No Photo Available
Argyrochosma limitanea ssp. limitanea	southwestern false cloak-fern	Pteridaceae	perennial rhizomatous herb	Apr-Oct	None	None	G4G5T3T4	S1	2B.1			Pinyon and juniper woodland (carbonate, rocky)		1800	1800	5905	5905		1984-01-01	No Photo Available
Hooveria purpurea var. purpurea	Santa Lucia purple amole	Agavaceae	perennial bulbiferous herb	Apr-Jun	FT	None	G2T2	S2	1B.1	SB_SBBG	Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint.	Chaparral, Cismontane woodland, Valley and foothill grassland	Clay, Gravelly	205	385	675	1265	Yes	1974-01-01	No Photo Available
Chorizanthe parryi var. fernandina	San Fernando Valley spineflower	Polygonaceae	annual herb	Apr-Jul	None	CE	G2T1	S1	1B.1	SB_CalBG/RSABG; USFS_S	Agriculture, Development, Erosion/runoff, Grazing, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter	Coastal scrub (sandy), Valley and foothill grassland		150	1220	490	4005	Yes	1974-01-01	No Photo Available
Chorizanthe rectispina	straight-awned spineflower	Polygonaceae	annual herb	Apr-Jul	None	None	G2	S2	1B.2	BLM_S; SB_SBBG; USFS_S	Agriculture, Biocides, Development, Disking, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing	Chaparral, Cismontane woodland, Coastal scrub		85	1035	280	3395	Yes	1974-01-01	© 1982 California Native Plant Society
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 crassicaule	slough thistle	Asteraceae	annual/perennial herb	May-Aug	None	None	G1	S1	1B.1		Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Grazing, Improper burning regime, Non-native plant impacts, Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance	Chenopod scrub, Marshes and swamps (sloughs), Riparian scrub		3	100	10	330	Yes	1974-01-01	No Photo Available
Cirsium hydrophilum var. hydrophilum	Suisun thistle	Asteraceae	perennial herb	Jun-Sep	FE	None	G2T1	S1	1B.1	SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Feral pigs, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Non-native animal impacts, Non-native plant impacts	Marshes and swamps (salt)		0	1	0	5	Yes	1974-01-01	No Photo Available
Cirsium 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
Clarkia australis	Small's southern clarkia	Onagraceae	annual herb	May-Aug	None	None	G2	S2	1B.2	BLM_S; USFS_S	Biocides, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Other, Road/trail construction/maint., Wood cutting or brush clearing	Cismontane woodland, Lower montane coniferous forest		800	2075	2625	6810	Yes	1980-01-01	No Photo Available
Clarkia borealis ssp. arida	Shasta clarkia	Onagraceae	annual herb	Jun-Aug	None	None	G4T2	S2	1B.1	BLM_S; SB_UCBG	Road/trail construction/maint.	Cismontane woodland, Lower montane coniferous forest (openings)		490	595	1610	1950	Yes	1980-01-01	No Photo Available
Clarkia virgata	Sierra clarkia	Onagraceae	annual herb	May-Aug	None	None	G3	S3	4.3	SB_CalBG/RSABG		Cismontane woodland, Lower montane coniferous forest		400	1680	1310	5510	Yes	1974-01-01	No Photo Available
Collinsia multicolor	San Francisco collinsia	Plantaginaceae	annual herb	(Feb)Mar-May	None	None	G2	S2	1B.2	SB_CalBG/RSABG; SB_UCSC	Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint.	Closed-cone coniferous forest, Coastal scrub	Serpentine (sometimes)	30	275	100	900	Yes	1974-01-01	No Photo Available
Cordylanthus parviflorus	small-flowered bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	Aug-Oct	None	None	G4	S2	2B.3	SB_CalBG/RSABG		Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland		700	2200	2295	7220		1974-01-01	No Photo Available
Cordylanthus rigidus ssp. littoralis	seaside bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	Apr-Oct	None	CE	G5T2	S2	1B.1	BLM_S; SB_CalBG/RSABG; SB_SBBG	Development, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter	Chaparral (maritime), Cismontane woodland, Closed-cone coniferous forest, Coastal dunes, Coastal scrub	Disturbed areas (often), Sandy	0	515	0	1690	Yes	1980-01-01	No Photo Available
Cordylanthus tenuis ssp. brunneus	serpentine bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	Jul-Aug	None	None	G4G5T3	S3	4.3			Chaparral, Cismontane woodland, Closed-cone coniferous forest	Serpentine (usually)	305	915	1000	3000	Yes	1988-01-01	No Photo Available
Leptosyne maritima	sea dahlia	Asteraceae	perennial herb	Mar-May	None	None	G2	S1S2	2B.2	SB_CalBG/RSABG; SB_CRES	Development, Erosion/runoff, Foot traffic/trampling, Military operations, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing	Coastal bluff scrub, Coastal scrub		5	150	15	490		1974-01-01	No Photo Available
Corethrogyne filaginifolia var. incana	San Diego sand aster	Asteraceae	perennial herb	Jun-Sep	None	None	G4T1Q	S1	1B.1		Development, Road/trail construction/maint.	Chaparral, Coastal bluff scrub, Coastal scrub		3	115	10	375		1980-01-01	No Photo Available
Cryptantha crinita	silky cryptantha	Boraginaceae	annual herb	Apr-May	None	None	G2	S2	1B.2	BLM_S; USFS_S	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Waterway bank protection/maintenance	Cismontane woodland, Lower montane coniferous forest, Riparian forest, Riparian woodland, Valley and foothill grassland	Gravelly	61	1215	200	3985	Yes	1980-01-01	©2009 Sierra Pacific Industries
Oreocarya crymophila	subalpine cryptantha	Boraginaceae	perennial herb	Jul-Aug	None	None	G3	S3	1B.3		Other	Subalpine coniferous forest (rocky, volcanic)		2600	3200	8530	10500	Yes	1974-01-01	No Photo Available
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	© 2012 Neal Kramer
Cymopterus ripleyi var. saniculoides	sanicle cymopterus	Apiaceae	perennial herb	Apr-Jun	None	None	G3G4T3Q	S1	1B.2	BLM_S; SB_CalBG/RSABG	Foot traffic/trampling, Grazing, Mining, ORV activity, Road/trail construction/maint.	Joshua tree "woodland", Mojavean desert scrub	Carbonate, Gravelly, Sandy	1000	1660	3280	5445		1980-01-01	No Photo Available
Delphinium gypsophilum ssp. parviflorum	small-flowered gypsum-loving larkspur	Ranunculaceae	perennial herb	(Mar)Apr-Jun	None	None	G4T2T3Q	S2S3	3.2			Cismontane woodland, Valley and foothill grassland	Clay, Rocky, Serpentine (sometimes)	190	350	625	1150	Yes	1974-01-01	No Photo Available
Delphinium variegatum ssp. kinkiense	San Clemente Island larkspur	Ranunculaceae	perennial herb	Mar-Apr	FD	CE	G4T2	S2	1B.1	SB_CalBG/RSABG	Erosion/runoff	Valley and foothill grassland (coastal)		75	500	245	1640	Yes	1980-01-01	© 2011 Neal Kramer
Dendromecon harfordii var. rhamnoides	south island bush-poppy	Papaveraceae	perennial evergreen shrub	Apr-Jun	None	None	G4T1Q	S1	3.1		Foot traffic/trampling, Grazing, Non-native animal impacts	Chaparral, Cismontane woodland, Coastal scrub		150	520	490	1705	Yes	1974-01-01	No Photo Available
Dudleya abramsii ssp. setchellii	Santa Clara Valley dudleya	Crassulaceae	perennial herb	Apr-Oct	FE	None	G4T2	S2	1B.1	SB_CalBG/RSABG	Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Insufficient population/stand size, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Waterway bank protection/maintenance	Cismontane woodland, Valley and foothill grassland	Rocky, Serpentine	60	535	195	1755	Yes	1988-01-01	No Photo Available
Dudleya traskiae	Santa Barbara Island dudleya	Crassulaceae	perennial herb	Feb-Jul	FE	CE	G1	S1	1B.2	SB_SBBG	Erosion/runoff	Coastal bluff scrub, Coastal scrub	Rocky	30	110	100	360	Yes	1974-01-01	No Photo Available
Dudleya viscida	sticky dudleya	Crassulaceae	perennial herb	May-Jun	None	None	G2	S2	1B.2	BLM_S; SB_CRES; USFS_S	Biocides, Dam/Inundation, Development, Military operations, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint.	Chaparral, Cismontane woodland, Coastal bluff scrub, Coastal scrub	Rocky	10	550	35	1805	Yes	1974-01-01	No Photo Available
Eleocharis parvula	small spikerush	Cyperaceae	perennial herb	(Apr)Jun-Aug(Sep)	None	None	G5	S3	4.3			Marshes and swamps		1	3020	5	9910		1980-01-01	©2018 Ron Vanderhoff
Elymus scribneri	Scribner's wheat grass	Poaceae	perennial herb	Jul-Aug	None	None	G5	S3	2B.3			Alpine boulder and rock field		2900	4200	9515	13780		1974-01-01	No Photo Available
Epilobium nivium	Snow Mountain willowherb	Onagraceae	perennial herb	Jun-Oct	None	None	G2G3	S2S3	1B.2	SB_UCSC; USFS_S	Foot traffic/trampling, ORV activity, Recreational use (non-ORV), Wood cutting or brush clearing	Chaparral, Upper montane coniferous forest	Rocky	795	2500	2610	8205	Yes	1974-01-01	©2011 Ryan Elliott
Epilobium rigidum	Siskiyou Mountains willowherb	Onagraceae	perennial herb	Jul-Aug	None	None	G3G4	S3	4.3	SB_UCSC		Lower montane coniferous forest (serpentinite)		150	1200	490	3935		1974-01-01	© 2021 Scot Loring
Epilobium siskiyouense	Siskiyou fireweed	Onagraceae	perennial herb	Jul-Sep	None	None	G3	S3	1B.3	SB_BerrySB	Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Other, Road/trail construction/maint.	Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest	Rocky, Serpentine	1700	2500	5580	8205		1980-01-01	©2014 Julie Kierstead Nelson
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
Erigeron nivalis	snow fleabane daisy	Asteraceae	perennial herb	Jul-Aug	None	None	G5	S3	2B.3		Logging	Alpine boulder and rock field, Meadows and seeps, Subalpine coniferous forest	Rocky, Volcanic	1735	2900	5695	9515		1984-01-01	©2018 Matt C. Berger
Collinsia antonina	San Antonio collinsia	Plantaginaceae	annual herb	Mar-May	None	None	G2	S2	1B.2		Foot traffic/trampling, Grazing, Other	Chaparral, Cismontane woodland		280	365	920	1200	Yes	1974-01-01	No Photo Available
Erigeron cervinus	Siskiyou daisy	Asteraceae	perennial rhizomatous herb	Jun-Aug	None	None	G4	S4	4.3			Lower montane coniferous forest, Meadows and seeps		25	1900	80	6235		1974-01-01	©2015 John Doyen
Erigeron miser	starved daisy	Asteraceae	perennial herb	Jun-Oct	None	None	G3?	S3?	1B.3	SB_UCSC; USFS_S	Foot traffic/trampling, Insufficient population/stand size, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint.	Upper montane coniferous forest (rocky)		1840	2620	6035	8595	Yes	1974-01-01	No Photo Available
Erigeron 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	No Photo Available
Erigeron supplex	supple daisy	Asteraceae	perennial herb	May-Jul	None	None	G2	S2	1B.2	SB_UCBG	Development, Grazing, Logging, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Coastal bluff scrub, Coastal prairie		10	50	35	165	Yes	1974-01-01	No Photo Available
Iris bracteata	Siskiyou iris	Iridaceae	perennial rhizomatous herb	May-Jun	None	None	G4G5	S3	3.3			Broadleafed upland forest, Lower montane coniferous forest	Serpentine	180	1070	590	3510		1974-01-01	©2012 Aaron Schusteff
Iva hayesiana	San Diego marsh-elder	Asteraceae	perennial herb	Apr-Oct	None	None	G3	S2	2B.2	SB_CalBG/RSABG	Agriculture, Channelization, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Marshes and swamps, Playas		0	500	0	1640		1980-01-01	No Photo Available
Ivesia aperta var. aperta	Sierra Valley ivesia	Rosaceae	perennial herb	Jun-Sep	None	None	G2T2	S2	1B.2	BLM_S; SB_UCSC; USFS_S	Agriculture, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland, Vernal pools	Vernally Mesic, Volcanic (usually)	1480	2300	4855	7545		1980-01-01	© 2008 Steve Matson
Ivesia argyrocoma var. argyrocoma	silver-haired ivesia	Rosaceae	perennial herb	Jun-Aug	None	None	G2T2	S2	1B.2	SB_CalBG/RSABG; USFS_S	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Meadows and seeps (alkaline), Pebble (Pavement) plain, Upper montane coniferous forest		1463	2960	4800	9710	Yes	1974-01-01	© 2015 Keir Morse
Lyonothamnus floribundus ssp. aspleniifolius	Santa Cruz Island ironwood	Rosaceae	perennial evergreen tree	May-Jul	None	None	G3T3	S3	1B.2	IUCN_VU; SB_CalBG/RSABG		Broadleafed upland forest, Chaparral, Cismontane woodland		20	580	65	1905	Yes	1980-01-01	No Photo Available
Lyonothamnus floribundus ssp. floribundus	Santa Catalina Island ironwood	Rosaceae	perennial evergreen tree	May-Jun	None	None	G3T2	S2	1B.2	IUCN_VU; SB_CalBG/RSABG; SB_SBBG	Grazing, Non-native animal impacts	Broadleafed upland forest, Chaparral, Cismontane woodland		75	500	245	1640	Yes	1980-01-01	No Photo Available
Bloomeria clevelandii	San Diego goldenstar	Themidaceae	perennial bulbiferous herb	Apr-May	None	None	G2G3	S3	1B.1	BLM_S; SB_CalBG/RSABG; SB_CRES; SB_UCBG	Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Improper burning regime, Landfill, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools	Clay	50	465	165	1525		1974-01-01	No Photo Available
Podistera nevadensis	Sierra podistera	Apiaceae	perennial herb	Jul-Sep	None	None	G4	S4	4.3			Alpine boulder and rock field		3000	4000	9845	13125	Yes	1980-01-01	No Photo Available
Pogogyne abramsii	San Diego mesa mint	Lamiaceae	annual herb	Mar-Jul	FE	CE	G1	S1	1B.1	SB_CalBG/RSABG; SB_CRES	Altered flood/tidal/hydrologic regime, Development, Disking, Erosion/runoff, Foot traffic/trampling, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Vernal pools		90	200	295	655	Yes	1974-01-01	No Photo Available
Pogogyne clareana	Santa Lucia mint	Lamiaceae	annual herb	Apr-Jul	None	CE	G2	S2	1B.2	SB_SBBG	Grazing, Military operations, ORV activity, Road/trail construction/maint.	Chaparral, Cismontane woodland, Riparian woodland	Streambanks	300	630	985	2065	Yes	1974-01-01	No Photo Available
Thelypodium brachycarpum	short-podded thelypodium	Brassicaceae	perennial herb	May-Aug	None	None	G3	S3	4.2			Chaparral, Lower montane coniferous forest, Meadows and seeps	Adobe, Alkaline, Serpentine	670	2560	2200	8400		1974-01-01	© 2016 Dana York
Thelypodium stenopetalum	slender-petaled thelypodium	Brassicaceae	perennial herb	May-Sep	FE	CE	G1	S1	1B.1	SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Meadows and seeps (mesic, alkaline)		1600	2500	5250	8205	Yes	1974-01-01	No Photo Available
Thermopsis macrophylla	Santa Ynez false lupine	Fabaceae	perennial rhizomatous herb	Apr-Jun	None	CR	G1	S1	1B.3	SB_CalBG/RSABG; SB_SBBG; USFS_S	Dam/Inundation, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing	Chaparral (disturbed areas, granitic, sandy)		425	1400	1395	4595	Yes	1974-01-01	No Photo Available
Physaria kingii ssp. bernardina	San Bernardino Mountains bladderpod	Brassicaceae	perennial herb	May-Jun	FE	None	G5T1	S1	1B.1	SB_CalBG/RSABG	Dam/Inundation, Development, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Lower montane coniferous forest, Pinyon and juniper woodland, Subalpine coniferous forest	Carbonate (usually)	1850	2700	6070	8860	Yes	1974-01-01	No Photo Available
Lessingia germanorum	San Francisco lessingia	Asteraceae	annual herb	(Jun)Jul-Nov	FE	CE	G1	S1	1B.1		Development, Non-native plant impacts, Other	Coastal scrub (remnant dunes)		25	110	80	360	Yes	1980-01-01	© 2019 Aaron Schusteff
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	© 2020 Keir Morse
Lewisia brachycalyx	short-sepaled lewisia	Montiaceae	perennial herb	(Feb)Apr-Jun(Jul)	None	None	G4	S2	2B.2	USFS_S	Development, Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint.	Lower montane coniferous forest, Meadows and seeps	Mesic	1370	2300	4495	7545		1984-01-01	Gerald and Buff Corsi © 2002 California Academy of Sciences
Lewisia serrata	saw-toothed lewisia	Montiaceae	perennial herb	May-Jun	None	None	G1G2	S1S2	1B.1	USFS_S	Logging, Over-collecting/poaching, Road/trail construction/maint.	Broadleafed upland forest, Lower montane coniferous forest, Riparian forest	Mesic, Rocky, Slopes	770	1435	2525	4710	Yes	1980-01-01	© 2002 Steve Tyron
Diplacus brandegeei	Santa Cruz Island monkeyflower	Phrymaceae	annual herb	Mar-May	None	None	G1Q	SX	1A		Grazing	Coastal scrub, Valley and foothill grassland	Rocky	60	305	195	1000		1974-01-01	No Photo Available
Erythranthe exigua	San Bernardino Mountains monkeyflower	Phrymaceae	annual herb	May-Jul	None	None	G2	S2	1B.2	SB_CalBG/RSABG; USFS_S	Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Meadows and seeps, Pebble (Pavement) plain, Upper montane coniferous forest	Clay, Mesic	1800	2315	5905	7595		1974-01-01	No Photo Available
Erythranthe filicaulis	slender-stemmed monkeyflower	Phrymaceae	annual herb	Apr-Aug	None	None	G2	S2	1B.2	BLM_S; USFS_S	Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest	Vernally Mesic	900	1750	2955	5740	Yes	1974-01-01	John Doyen, 2020
Erythranthe glaucescens	shield-bracted monkeyflower	Phrymaceae	annual herb	Feb-Aug(Sep)	None	None	G3G4	S3S4	4.3			Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland	Seeps, Serpentine, Streambanks (sometimes)	60	1240	195	4070	Yes	1974-01-01	Neal Kramer 2020
Peteria thompsoniae	spine-noded milk vetch	Fabaceae	perennial herb	May-Jun	None	None	G4	S1	2B.1		ORV activity	Mojavean desert scrub (alluvial fans, sandy)		800	825	2625	2705		1988-01-01	No Photo Available
Phacelia amabilis	Saline Valley phacelia	Hydrophyllaceae	annual herb	Apr-May	None	None	GHQ	SH	3.3			Riparian scrub	Gravelly	500	700	1640	2295	Yes	1974-01-01	No Photo Available
Phacelia argentea	sand dune phacelia	Hydrophyllaceae	perennial herb	Jun-Aug	FT	None	G2	S1	1B.1	SB_BerrySB	Development, Erosion/runoff, Foot traffic/trampling, Grazing, Landfill, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint.	Coastal dunes		3	25	10	80		1974-01-01	© 2012 Genevieve K Walden
Rubus nivalis	snow dwarf bramble	Rosaceae	perennial evergreen vine	Jun-Aug	None	None	G4?	S1	2B.3		Logging	North Coast coniferous forest		1085	1350	3560	4430		1980-01-01	© 2021 Scot Loring
Sagittaria sanfordii	Sanford's arrowhead	Alismataceae	perennial rhizomatous herb (emergent)	May-Oct(Nov)	None	None	G3	S3	1B.2	BLM_S	Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Waterway bank protection/maintenance	Marshes and swamps (shallow freshwater)		0	650	0	2135	Yes	1984-01-01	©2013 Debra L. Cook
Salix brachycarpa var. brachycarpa	short-fruited willow	Salicaceae	perennial deciduous shrub	Jun-Jul	None	None	G5T5	S2	2B.3		Grazing, Recreational use (non-ORV)	Alpine dwarf scrub, Meadows and seeps, Subalpine coniferous forest	Carbonate	3000	3500	9845	11485		1974-01-01	No Photo Available
Salix nivalis	snow willow	Salicaceae	perennial deciduous shrub	Jul-Aug	None	None	G5	S2	2B.3		Other, Recreational use (non-ORV)	Alpine dwarf scrub		3100	3500	10170	11485		1984-01-01	© 2009 Steve Matson
Eriogonum giganteum var. compactum	Santa Barbara Island buckwheat	Polygonaceae	perennial deciduous shrub	May-Aug(Sep)	None	CR	G2T2	S2	1B.3	SB_CalBG/RSABG; SB_USDA	Erosion/runoff, Foot traffic/trampling, Other	Coastal bluff scrub (usually rocky)		10	300	35	985	Yes	1974-01-01	No Photo Available
Eriogonum giganteum var. formosum	San Clemente Island buckwheat	Polygonaceae	perennial deciduous shrub	Mar-Oct	None	None	G3T3?	S3?	1B.2	SB_CalBG/RSABG	Development	Coastal bluff scrub (rocky)		10	455	35	1495	Yes	1974-01-01	No Photo Available
Eriogonum grande var. timorum	San Nicolas Island buckwheat	Polygonaceae	perennial herb	Mar-Oct	None	CE	G4T1	S1	1B.1			Coastal bluff scrub		10	215	35	705	Yes	1974-01-01	No Photo Available
Eriogonum kennedyi var. austromontanum	southern mountain buckwheat	Polygonaceae	perennial herb	Jun-Sep	FT	None	G4T2	S2	1B.2	SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Lower montane coniferous forest (gravelly), Pebble (Pavement) plain		1770	2890	5805	9480	Yes	1974-01-01	No Photo Available
Eriogonum nervulosum	Snow Mountain buckwheat	Polygonaceae	perennial rhizomatous herb	Jun-Sep	None	None	G2	S2	1B.2	BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S	Development, Mining, ORV activity, Road/trail construction/maint.	Chaparral (serpentinite)		300	2105	985	6905	Yes	1980-01-01	© Rick York and CNPS
Eriophyllum lanatum var. obovatum	southern Sierra woolly sunflower	Asteraceae	perennial herb	Jun-Jul	None	None	G5T4	S4	4.3	SB_CalBG/RSABG		Lower montane coniferous forest, Upper montane coniferous forest	Loam, Sandy	1114	2500	3655	8205	Yes	1974-01-01	No Photo Available
Eriophyllum latilobum	San Mateo woolly sunflower	Asteraceae	perennial herb	May-Jun	FE	CE	G1	S1	1B.1	SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Mining, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing	Cismontane woodland (often 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 spinosepalum	spiny-sepaled button-celery	Apiaceae	annual/perennial herb	Apr-Jun	None	None	G2	S2	1B.2	BLM_S; SB_SBBG	Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Dam/Inundation, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Waterway bank protection/maintenance	Valley and foothill grassland, Vernal pools		80	975	260	3200	Yes	1980-01-01	No Photo Available
Erysimum ammophilum	sand-loving wallflower	Brassicaceae	perennial herb	Feb-Jun(Jul-Aug)	None	None	G2	S2	1B.2	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 franciscanum	San Francisco wallflower	Brassicaceae	perennial herb	Mar-Jun	None	None	G3	S3	4.2	SB_UCSC		Chaparral, Coastal dunes, Coastal scrub, Valley and foothill grassland	Granitic (often), Roadsides (sometimes), Serpentine (often)	0	550	0	1805	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
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
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
Ageratina shastensis	Shasta ageratina	Asteraceae	perennial herb	Jun-Oct	None	None	G3	S3	1B.2	SB_UCSC	Logging, Recreational use (non-ORV), Road/trail construction/maint.	Chaparral, Lower montane coniferous forest	Carbonate (often), Rocky	400	1800	1310	5905	Yes	1974-01-01	©2011 Sierra Pacific Industries
Ferocactus viridescens	San Diego barrel cactus	Cactaceae	perennial stem	May-Jun	None	None	G3?	S2S3	2B.1	IUCN_LC; SB_CalBG/RSABG; SB_CRES	Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools		3	450	10	1475		1974-01-01	© 2009 Robert Steers
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	© 2016 Aaron Schusteff
Fritillaria striata	striped adobe-lily	Liliaceae	perennial bulbiferous herb	Feb-Apr	None	CT	G1	S1	1B.1	SB_CalBG/RSABG; SB_SBBG; SB_USDA; USFS_S	Agriculture, Development, Foot traffic/trampling, Grazing, Other, Road/trail construction/maint.	Cismontane woodland, Valley and foothill grassland	Clay (usually)	135	1455	445	4775	Yes	1974-01-01	© 2013 Aaron Schusteff
Fritillaria viridea	San Benito fritillary	Liliaceae	perennial bulbiferous herb	Mar-May	None	None	G2	S2	1B.2	BLM_S; SB_UCSC; USFS_S	Erosion/runoff, Feral pigs, Foot traffic/trampling, Military operations, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Chaparral, Cismontane woodland	Roadsides (sometimes), Rocky (sometimes), Serpentine, Slopes, Streambanks (sometimes)	200	1525	655	5005	Yes	1974-01-01	© 2010 Aaron Schusteff
Galium angustifolium ssp. gabrielense	San Antonio Canyon bedstraw	Rubiaceae	perennial herb	Apr-Aug	None	None	G5T3	S3	4.3			Chaparral, Lower montane coniferous forest	Granitic, Rocky (sometimes), Sandy (sometimes)	1200	2650	3935	8695	Yes	1974-01-01	© 2019 Keir Morse
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	© 2006 Steve Matson
Galium catalinense ssp. acrispum	San Clemente Island bedstraw	Rubiaceae	perennial deciduous shrub	Mar-May(Aug)	None	CE	G4T3	S3	1B.3	SB_CalBG/RSABG; SB_CRES		Valley and foothill grassland		25	275	80	900	Yes	1984-01-01	© 2011 Michelle Cloud-Hughes
Galium catalinense ssp. catalinense	Santa Catalina Island bedstraw	Rubiaceae	perennial deciduous shrub	Feb-Jul	None	None	G4T2	S2	1B.3	SB_CalBG/RSABG		Chaparral, Coastal scrub		5	440	15	1445	Yes	1974-01-01	© 2009 Vince Scheidt
Galium clementis	Santa Lucia bedstraw	Rubiaceae	perennial herb	(Apr)May-Jul	None	None	G2	S2	1B.3	USFS_S	Foot traffic/trampling, Non-native plant impacts	Lower montane coniferous forest, Upper montane coniferous forest	Granitic (sometimes), Rocky, Serpentine (sometimes)	1130	1780	3710	5840	Yes	1974-01-01	© 2005 Dean Wm. Taylor, Ph.D.
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	© 2020 Brian Bielfelt
Galium grande	San Gabriel bedstraw	Rubiaceae	perennial deciduous shrub	Jan-Jul	None	None	G1	S1	1B.2	SB_CalBG/RSABG; USFS_S	ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest		425	1500	1395	4920	Yes	1984-01-01	© Lauramay Dempster and CNPS
Galium serpenticum ssp. scotticum	Scott Mountain bedstraw	Rubiaceae	perennial herb	May-Aug	None	None	G4G5T2	S2	1B.2	BLM_S; SB_CalBG/RSABG	Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Other, Over-collecting/poaching, Road/trail construction/maint.	Lower montane coniferous forest (serpentinite)		1000	2075	3280	6810	Yes	1984-01-01	©2011 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	© Rick York and CNPS
Gentiana affinis var. parvidentata	small-toothed prairie gentian	Gentianaceae	perennial herb	Jul-Sep	None	None	G5T2T4Q	S1S3	3			Great Basin scrub, Lower montane coniferous forest		1220	1830	4005	6005		1980-01-01	No Photo Available
Geraea viscida	sticky geraea	Asteraceae	perennial herb	(Apr)May-Jun	None	None	G2G3	S2	2B.2	SB_CalBG/RSABG	Development, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Chaparral (often disturbed areas)		450	1700	1475	5580		1974-01-01	No Photo Available
Grindelia hallii	San Diego gumplant	Asteraceae	perennial herb	May-Oct	None	None	G2	S2	1B.2	BLM_S; SB_CRES	Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Lower montane coniferous forest, Meadows and seeps, Valley and foothill grassland		185	1745	605	5725	Yes	1974-01-01	© 2014 Keir Morse
Grindelia hirsutula var. maritima	San Francisco gumplant	Asteraceae	perennial herb	Jun-Sep	None	None	G5T1Q	S1	3.2	SB_UCSC	Development, Foot traffic/trampling, Non-native plant impacts, Other, Road/trail construction/maint.	Coastal bluff scrub, Coastal scrub, Valley and foothill grassland	Sandy (sometimes), Serpentine (sometimes)	15	400	50	1310	Yes	1974-01-01	Robert Potts © 2001 California Academy of Sciences
Hackelia sharsmithii	Sharsmith's stickseed	Boraginaceae	perennial herb	Jul-Sep	None	None	G3	S3	2B.3	SB_CalBG/RSABG	Other	Alpine boulder and rock field, Subalpine coniferous forest	Granitic, Rocky	3000	3700	9845	12140		1974-01-01	© 2017 Steve Matson
Pyrrocoma lucida	sticky pyrrocoma	Asteraceae	perennial herb	Jul-Oct	None	None	G3	S3	1B.2	BLM_S; SB_UCSC; USFS_S	Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Great Basin scrub, Lower montane coniferous forest, Meadows and seeps	Alkaline, Clay	700	1950	2295	6400	Yes	1980-01-01	No Photo Available
Ericameria ophitidis	serpentine goldenbush	Asteraceae	perennial shrub	Jun-Aug	None	None	G4	S4	4.3			Chaparral, Lower montane coniferous forest	Serpentine (usually)	980	1737	3215	5700	Yes	1974-01-01	© 2005 Dean Wm. Taylor
Centromadia pungens ssp. laevis	smooth tarplant	Asteraceae	annual herb	Apr-Sep	None	None	G3G4T2	S2	1B.1	SB_CalBG/RSABG	Agriculture, Altered flood/tidal/hydrologic regime, Channelization, Dam/Inundation, Development, Disking, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chenopod scrub, Meadows and seeps, Playas, Riparian woodland, Valley and foothill grassland	Alkaline	0	640	0	2100	Yes	1994-01-01	No Photo Available
Deinandra minthornii	Santa Susana tarplant	Asteraceae	perennial deciduous shrub	Jul-Nov	None	CR	G2	S2	1B.2	SB_CalBG/RSABG	Development, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Coastal scrub	Rocky	280	760	920	2495	Yes	1974-01-01	No Photo Available
Heuchera hirsutissima	shaggy-haired alumroot	Saxifragaceae	perennial rhizomatous herb	(May)Jun-Jul	None	None	G3	S3	1B.3	SB_CalBG/RSABG; USFS_S	Erosion/runoff, Foot traffic/trampling	Subalpine coniferous forest, Upper montane coniferous forest	Granitic, Rocky	1520	3500	4985	11485	Yes	1974-01-01	© 2009 Thomas Stoughton
Heuchera rubescens var. versicolor	San Diego County alumroot	Saxifragaceae	perennial rhizomatous herb	May-Jun	None	None	G5T4	S2	3.3			Chaparral, Lower montane coniferous forest	Rocky	1500	4000	4920	13125		1974-01-01	© 2013 Richard Spellenberg
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	© 2011 Dylan Neubauer
Horkelia sericata	silky horkelia	Rosaceae	perennial herb	Jun-Aug	None	None	G3G4	S3	4.3			Chaparral, Lower montane coniferous forest	Clay, Serpentine	180	1200	590	3935		1974-01-01	© 2015 John Doyen
Hulsea brevifolia	short-leaved hulsea	Asteraceae	perennial herb	May-Aug	None	None	G3	S3	1B.2	SB_CalBG/RSABG; USFS_S	Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Lower montane coniferous forest, Upper montane coniferous forest	Granitic (sometimes), Gravelly (sometimes), Sandy (sometimes), Volcanic (sometimes)	1500	3200	4920	10500	Yes	1974-01-01	© 2009 Keir Morse
Hulsea californica	San Diego sunflower	Asteraceae	perennial herb	Apr-Jun	None	None	G3	S3	1B.3	BLM_S; SB_CalBG/RSABG; SB_CRES	Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint.	Chaparral, Lower montane coniferous forest, Upper montane coniferous forest	Burned areas, Openings	915	2915	3000	9565	Yes	1974-01-01	© 2015 Keir Morse
Ipomopsis tenuifolia	slender-leaved ipomopsis	Polemoniaceae	perennial herb	Mar-May	None	None	G4	S2	2B.3	SB_CalBG/RSABG	Foot traffic/trampling, Non-native plant impacts, ORV activity, Vandalism/dumping/litter	Chaparral, Pinyon and juniper woodland, Sonoran desert scrub	Gravelly (sometimes), Rocky (sometimes)	100	1200	330	3935		1974-01-01	© 2018 Richard Spellenberg
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	© 2019 Belinda Lo
Kobresia myosuroides	seep kobresia	Cyperaceae	perennial rhizomatous herb	(Jun)Aug	None	None	G5	S2	2B.2		Foot traffic/trampling, Grazing	Alpine boulder and rock field (mesic), Meadows and seeps (carbonate), Subalpine coniferous forest		1490	3245	4890	10645		1974-01-01	No Photo Available
Koeberlinia spinosa var. tenuispina	slender-spined all thorn	Koeberliniaceae	perennial deciduous shrub	May-Jul	None	None	G4T4?	S2	2B.2		Development, Mining, Other	Riparian woodland, Sonoran desert scrub		150	510	490	1675		1974-01-01	No Photo Available
Lasthenia leptalea	Salinas Valley goldfields	Asteraceae	annual herb	Feb-Apr	None	None	G3	S3	4.3			Cismontane woodland, Valley and foothill grassland		60	1065	195	3495	Yes	1974-01-01	No Photo Available
Lathyrus glandulosus	sticky pea	Fabaceae	perennial rhizomatous herb	Apr-Jun	None	None	G3	S3	4.3	SB_BerrySB		Cismontane woodland		300	800	985	2625	Yes	1988-01-01	2015 Barrett Jeffery
Lavatera assurgentiflora ssp. glabra	southern island mallow	Malvaceae	perennial evergreen shrub	May-Sep	None	None	G1T1	S1	1B.1	SB_CalBG/RSABG; SB_SBBG	Development, Foot traffic/trampling, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint.	Coastal bluff scrub		5	250	15	820	Yes	1984-01-01	© 1993 Dean Wm. Taylor
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
Linanthus jaegeri	San Jacinto linanthus	Polemoniaceae	perennial herb	Jul-Sep	None	None	G2	S2	1B.2	SB_CalBG/RSABG; USFS_S	Foot traffic/trampling, Other, Recreational use (non-ORV)	Subalpine coniferous forest, Upper montane coniferous forest	Granitic, Rocky	2195	3050	7200	10005	Yes	1974-01-01	No Photo Available
Lewisia stebbinsii	Stebbins' lewisia	Montiaceae	perennial herb	May-Jul	None	None	G2	S2	1B.2	SB_UCSC; USFS_S	Grazing, Logging, ORV activity, Road/trail construction/maint.	Lower montane coniferous forest, Upper montane coniferous forest	Gravelly, Serpentine (sometimes)	1600	2050	5250	6725	Yes	1974-01-01	© 2015 John Doyen
Leptosiphon floribundus ssp. hallii	Santa Rosa Mountains leptosiphon	Polemoniaceae	perennial herb	May-Jul(Nov)	None	None	G4T1T2	S1S2	1B.3	BLM_S; USFS_S		Pinyon and juniper woodland, Sonoran desert scrub		1000	2000	3280	6560	Yes	1988-01-01	© 2016 Keir Morse
Leptosiphon oblanceolatus	Sierra Nevada leptosiphon	Polemoniaceae	annual herb	Jul-Aug	None	None	G4	S4	4.3			Subalpine coniferous forest		2800	3700	9185	12140	Yes	1974-01-01	© 1995 Saint Mary's College of California
Lithophragma maximum	San Clemente Island woodland star	Saxifragaceae	perennial rhizomatous herb	Apr-Jun	FE	CE	G1	S1	1B.1	SB_CalBG/RSABG	Erosion/runoff	Coastal bluff scrub, Coastal scrub	Rocky	120	400	395	1310	Yes	1974-01-01	No Photo Available
Loeflingia squarrosa var. artemisiarum	sagebrush loeflingia	Caryophyllaceae	annual herb	Apr-May	None	None	G5T3	S2	2B.2	BLM_S	Development, Grazing, Military operations, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Desert dunes, Great Basin scrub, Sonoran desert scrub	Sandy	700	1615	2295	5300		1974-01-01	No Photo Available
Lomatium parvifolium	small-leaved lomatium	Apiaceae	perennial herb	Jan-Jun	None	None	G3	S3	4.2	SB_SBBG		Chaparral, Closed-cone coniferous forest, Coastal scrub, Riparian woodland	Serpentine	20	700	65	2295	Yes	1974-01-01	No Photo Available
Lomatium rigidum	stiff lomatium	Apiaceae	perennial herb	Apr-May	None	None	G3	S3	4.3	SB_SBBG		Great Basin scrub, Pinyon and juniper woodland	Rocky	1200	2200	3935	7220	Yes	1974-01-01	No Photo Available
Lomatium stebbinsii	Stebbins' lomatium	Apiaceae	perennial herb	Mar-May	None	None	G2	S2	1B.1	SB_SBBG; USFS_S	Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Lower montane coniferous forest	Clay, Serpentine, Volcanic	1245	2375	4085	7790	Yes	1980-01-01	No Photo Available
Acmispon argophyllus var. adsurgens	San Clemente Island bird's-foot trefoil	Fabaceae	perennial herb	Apr-Jun	None	CE	G5T2	S2	1B.1	SB_CalBG/RSABG; SB_CRES		Coastal bluff scrub, Coastal scrub	Rocky	15	395	50	1295	Yes	1974-01-01	© 2011 Dylan Neubauer
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	© 2017 John Game
Acmispon dendroideus var. traskiae	San Clemente Island lotus	Fabaceae	perennial shrub	Feb-Aug	FD	CE	G4T3	S3	1B.3	SB_CalBG/RSABG; SB_SBBG	Development, Road/trail construction/maint.	Coastal bluff scrub, Coastal scrub, Valley and foothill grassland		15	365	50	1200	Yes	1974-01-01	© 2011 Dylan Neubauer
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	© 2006 Steve Matson
Lupinus cervinus	Santa Lucia lupine	Fabaceae	perennial herb	May-Jun	None	None	G3	S3	4.3			Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest		305	1425	1000	4675	Yes	1974-01-01	No Photo Available
Lupinus croceus var. pilosellus	saffron-flowered lupine	Fabaceae	perennial herb	(May)Jun-Aug	None	None	G3T3	S3	4.3			Lower montane coniferous forest		835	1700	2740	5580	Yes	1980-01-01	©2008 Sierra Pacific Industries
Lupinus elatus	silky lupine	Fabaceae	perennial herb	Jun-Aug	None	None	G4	S4	4.3	SB_CalBG/RSABG		Lower montane coniferous forest, Upper montane coniferous forest		1500	3000	4920	9845	Yes	1974-01-01	No Photo Available
Lupinus arboreus var. eximius	San Mateo tree lupine	Fabaceae	perennial evergreen shrub	Apr-Jul	None	None	G2Q	S2	3.2			Chaparral, Coastal scrub		90	550	295	1805	Yes	1980-01-01	No Photo Available
Lupinus gracilentus	slender lupine	Fabaceae	perennial herb	Jul-Aug	None	None	G3	S3	1B.3	SB_SBBG	Development, Erosion/runoff, Foot traffic/trampling, Other, Road/trail construction/maint.	Subalpine coniferous forest		2500	3500	8205	11485	Yes	1974-01-01	No Photo Available
Lupinus ludovicianus	San Luis Obispo County lupine	Fabaceae	perennial herb	Apr-Jul	None	None	G1	S1	1B.2	SB_SBBG; USFS_S	Agriculture, Development, Foot traffic/trampling, Grazing, ORV activity, Road/trail construction/maint.	Chaparral, Cismontane woodland	Sandstone, Sandy	50	525	165	1725	Yes	1974-01-01	No Photo Available
Lupinus spectabilis	shaggyhair lupine	Fabaceae	annual herb	Apr-May	None	None	G2	S2	1B.2	BLM_S; SB_SBBG	Biocides, Development, Grazing, Mining, Road/trail construction/maint.	Chaparral, Cismontane woodland	Serpentine	260	825	855	2705	Yes	1974-01-01	No Photo Available
Lycium brevipes var. hassei	Santa Catalina Island desert-thorn	Solanaceae	perennial deciduous shrub	Jun(Aug)	None	None	G5T1Q	S1	3.1		Development, Non-native plant impacts, Road/trail construction/maint.	Coastal bluff scrub, Coastal scrub		65	300	215	985	Yes	1974-01-01	No Photo Available
Lycium verrucosum	San Nicolas Island desert-thorn	Solanaceae	perennial shrub	Apr	None	None	GXQ	SX	1A			Coastal scrub						Yes	1974-01-01	No Photo Available
Madia radiata	showy golden madia	Asteraceae	annual herb	Mar-May	None	None	G3	S3	1B.1	BLM_S; SB_CalBG/RSABG; SB_SBBG	Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint., Vandalism/dumping/litter	Cismontane woodland, Valley and foothill grassland		25	1215	80	3985	Yes	1988-01-01	No Photo Available
Harmonia stebbinsii	Stebbins' harmonia	Asteraceae	annual herb	May-Jun	None	None	G2	S2	1B.2	BLM_S; SB_UCSC; USFS_S	Improper burning regime, Logging, Mining, Non-native plant impacts, Road/trail construction/maint.	Chaparral, Lower montane coniferous forest	Serpentine	400	1580	1310	5185	Yes	1980-01-01	©2019 Steve Matson
Malacothamnus clementinus	San Clemente Island bush-mallow	Malvaceae	perennial deciduous shrub	Mar-Aug	FD	CE	G2G3	S2S3	1B.1	SB_CalBG/RSABG; SB_SBBG	Erosion/runoff, Military operations, Vandalism/dumping/litter	Valley and foothill grassland (rocky)		10	275	35	900	Yes	1974-01-01	© 2011 Dylan Neubauer
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	© 2009 Gary A. Monroe
Malacothamnus jonesii var. gracilis	slender bush-mallow	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	© 2017 Keir Morse
Malacothamnus palmeri	Santa Lucia bush-mallow	Malvaceae	perennial deciduous shrub	May-Jul	None	None	G3T2Q	S2	1B.2	SB_CalBG/RSABG; SB_SBBG; USFS_S	Development, Erosion/runoff, Groundwater pumping, Non-native plant impacts, Road/trail construction/maint.	Chaparral (rocky)		60	360	195	1180	Yes	1974-01-01	© 2017 Keir Morse
Malacothrix indecora	Santa Cruz Island malacothrix	Asteraceae	annual herb	Apr-Sep	FE	None	G2	S2	1B.1	SB_SBBG	Erosion/runoff, Foot traffic/trampling, Non-native plant impacts	Chaparral, Coastal bluff scrub, Coastal dunes, Coastal scrub	Rocky	5	30	15	100	Yes	1974-01-01	No Photo Available
Matelea parvifolia	spear-leaf matelea	Apocynaceae	perennial herb	Mar-May(Jul)	None	None	G5	S3	2B.3	USFS_S	Foot traffic/trampling, Non-native animal impacts, Non-native plant impacts, Other	Mojavean desert scrub, Sonoran desert scrub	Rocky	440	1095	1445	3595		1974-01-01	No Photo Available
Stebbinsoseris decipiens	Santa Cruz microseris	Asteraceae	annual herb	Apr-May	None	None	G2	S2	1B.2	SB_CalBG/RSABG; SB_UCSC	Feral pigs, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Other, Road/trail construction/maint.	Broadleafed upland forest, Chaparral, Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland	Openings, Serpentine (sometimes)	10	500	35	1640	Yes	1974-01-01	No Photo Available
Erythranthe gracilipes	slender-stalked monkeyflower	Phrymaceae	annual herb	Apr-Jun	None	None	G2	S2	1B.2	SB_CalBG/RSABG; USFS_S	Development, Non-native plant impacts	Chaparral, Cismontane woodland, Lower montane coniferous forest	Burned areas (often), Decomposed granitic, Disturbed areas (often)	500	1300	1640	4265	Yes	1974-01-01	No Photo Available
Erythranthe inconspicua	small-flowered monkeyflower	Phrymaceae	annual herb	May-Jun	None	None	G4	S4	4.3			Chaparral, Cismontane woodland, Lower montane coniferous forest	Mesic	274	760	900	2495	Yes	1974-01-01	© 2017 Debra L. Cook
Diplacus traskiae	Santa Catalina Island monkeyflower	Phrymaceae	annual herb	Mar-Apr	None	None	GX	SX	1A		Grazing, Non-native animal impacts	Coastal scrub						Yes	1974-01-01	No Photo Available
Erythranthe marmorata	Stanislaus monkeyflower	Phrymaceae	annual herb	Mar-May	None	None	G2?	S2?	1B.1		Grazing	Cismontane woodland, Lower montane coniferous forest		100	900	330	2955	Yes	1974-01-01	No Photo Available
Mirabilis tenuiloba	slender-lobed four o'clock	Nyctaginaceae	perennial herb	(Feb)Mar-May	None	None	G5	S4	4.3	SB_CRES		Sonoran desert scrub		230	1095	755	3595		1974-01-01	No Photo Available
Monardella antonina ssp. antonina	San Antonio Hills monardella	Lamiaceae	perennial rhizomatous herb	Jun-Aug	None	None	G4T1T3Q	S1S3	3			Chaparral, Cismontane woodland		320	1000	1050	3280	Yes	1980-01-01	No Photo Available
Phacelia leonis	Siskiyou phacelia	Hydrophyllaceae	annual herb	Jun-Aug	None	None	G3	S2?	1B.3		Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV)	Meadows and seeps, Upper montane coniferous forest (openings)	Serpentine (often)	1200	2000	3935	6560		1984-01-01	©2019 Steve Matson
Phacelia stebbinsii	Stebbins' phacelia	Hydrophyllaceae	annual herb	May-Jul	None	None	G3	S3	1B.2	USFS_S	Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Cismontane woodland, Lower montane coniferous forest, Meadows and seeps		610	2010	2000	6595	Yes	1974-01-01	No Photo Available
Phacelia keckii	Santiago Peak phacelia	Hydrophyllaceae	annual herb	May-Jul	None	None	G1	S1	1B.3	SB_CalBG/RSABG; USFS_S	Foot traffic/trampling, Road/trail construction/maint., Wood cutting or brush clearing	Chaparral, Closed-cone coniferous forest		545	1600	1790	5250	Yes	1980-01-01	No Photo Available
Phaseolus filiformis	slender-stem bean	Fabaceae	annual herb	Apr	None	None	G5	S1	2B.1	IUCN_LC		Sonoran desert scrub		125	125	410	410		1984-01-01	No Photo Available
Phlox muscoides	squarestem phlox	Polemoniaceae	perennial herb	(May)Jun-Aug	None	None	G4G5	S3	2B.3		Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint.	Alpine boulder and rock field, Great Basin scrub, Subalpine coniferous forest	Gravelly (sometimes), Rocky (sometimes)	1280	2700	4200	8860		1984-01-01	© 2018 John Doyen
Sidalcea stipularis	Scadden Flat checkerbloom	Malvaceae	perennial rhizomatous herb	Jul-Aug	None	CE	G1	S1	1B.1	SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Biocides, Grazing, Non-native plant impacts, Other, Road/trail construction/maint.	Marshes and swamps (montane freshwater)		700	730	2295	2395	Yes	1980-01-01	No Photo Available
Atriplex pacifica	south coast saltscale	Chenopodiaceae	annual herb	Mar-Oct	None	None	G4	S2	1B.2	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
Tripterocalyx micranthus	small-flowered sand-verbena	Nyctaginaceae	perennial herb	Apr-May	None	None	G5	S1	2B.3		Grazing	Desert dunes, Mojavean desert scrub (sandy)		550	855	1805	2805		2001-01-01	No Photo Available
Monardella antonina ssp. benitensis	San Benito monardella	Lamiaceae	perennial rhizomatous herb	Jun-Jul	None	None	G4T3	S3	4.3			Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland	Serpentine (usually)	500	1570	1640	5150	Yes	1974-01-01	© 2021 Ryan O'Dell
Monardella nana ssp. leptosiphon	San Felipe monardella	Lamiaceae	perennial rhizomatous herb	Jun-Jul	None	None	G4G5T2Q	S2	1B.2	SB_CalBG/RSABG; SB_CRES; USFS_S	Erosion/runoff, Foot traffic/trampling, Grazing, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Chaparral, Lower montane coniferous forest		1200	1855	3935	6085		1980-01-01	No Photo Available
Monardella 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
Navarretia fossalis	spreading navarretia	Polemoniaceae	annual herb	Apr-Jun	FT	None	G2	S2	1B.1	SB_CalBG/RSABG; SB_CRES	Agriculture, Altered flood/tidal/hydrologic regime, Biocides, Channelization, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter, Waterway bank protection/maintenance	Chenopod scrub, Marshes and swamps (shallow freshwater), Playas, Vernal pools		30	655	100	2150		1980-01-01	No Photo Available
Nemacladus gracilis	slender nemacladus	Campanulaceae	annual herb	Mar-May	None	None	G4	S4	4.3			Cismontane woodland, Valley and foothill grassland	Gravelly (sometimes), Sandy (sometimes)	120	1900	395	6235		1974-01-01	No Photo Available
Opuntia basilaris var. brachyclada	short-joint beavertail	Cactaceae	perennial stem	Apr-Jun(Aug)	None	None	G5T3	S3	1B.2	BLM_S; SB_CalBG/RSABG; USFS_S	Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland		425	1800	1395	5905	Yes	1980-01-01	No Photo Available
Cylindropuntia californica var. californica	snake cholla	Cactaceae	perennial stem	Apr-May	None	None	G3T2	S1	1B.1	BLM_S; SB_CRES	Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Chaparral, Coastal scrub		30	150	100	490		1974-01-01	No Photo Available
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 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	© 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	© Rick York and CNPS
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
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
Orthocarpus cuspidatus ssp. cuspidatus	Siskiyou Mountains orthocarpus	Orobanchaceae	annual herb	Jun-Aug	None	None	G5T3	S3	4.3			Lower montane coniferous forest, Upper montane coniferous forest		700	2200	2295	7220		1974-01-01	©2003 Norman Jensen
Triphysaria floribunda	San Francisco owl's-clover	Orobanchaceae	annual herb	Apr-Jun	None	None	G2?	S2?	1B.2		Development, Erosion/runoff, Foot traffic/trampling, Grazing, Insufficient population/stand size, Mining, Non-native plant impacts, Other, Road/trail construction/maint.	Coastal prairie, Coastal scrub, Valley and foothill grassland	Serpentine (usually)	10	160	35	525	Yes	1974-01-01	No Photo Available
Castilleja lasiorhyncha	San Bernardino Mountains owl's-clover	Orobanchaceae	annual herb (hemiparasitic)	May-Aug	None	None	G2?	S2?	1B.2	SB_CalBG/RSABG; USFS_S	Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Chaparral, Meadows and seeps, Pebble (Pavement) plain, Riparian woodland, Upper montane coniferous forest	Mesic	1300	2390	4265	7840	Yes	1980-01-01	No Photo Available
Orthocarpus pachystachyus	Shasta orthocarpus	Orobanchaceae	annual herb	May	None	None	G1	S1	1B.1		Development	Great Basin scrub, Meadows and seeps, Valley and foothill grassland		840	850	2755	2790	Yes	1974-01-01	©2022 Julie Kierstead
Stipa divaricata	small-flowered rice grass	Poaceae	perennial herb	Jun-Sep	None	None	G5	S2	2B.3			Pinyon and juniper woodland (gravelly, carbonate)		700	2950	2295	9680		1974-01-01	No Photo Available
Pedicularis crenulata	scalloped-leaved lousewort	Orobanchaceae	perennial herb	Jun-Jul	None	None	G4	S1	2B.2		Grazing	Meadows and seeps (mesic)		2100	2300	6890	7545		1974-01-01	No Photo Available
Pellaea truncata	spiny cliff-brake	Pteridaceae	perennial rhizomatous herb	Apr-Jun	None	None	G5	S3	2B.3		Development, Mining, ORV activity	Pinyon and juniper woodland (granitic, rocky, volcanic)		1200	2150	3935	7055		1980-01-01	No Photo Available
Penstemon clevelandii var. connatus	San Jacinto beardtongue	Plantaginaceae	perennial herb	Mar-May	None	None	G5T4	S3	4.3	SB_CalBG/RSABG		Chaparral, Pinyon and juniper woodland, Sonoran desert scrub	Rocky	400	1500	1310	4920		1984-01-01	Keir Morse 2015
Penstemon newberryi var. sonomensis	Sonoma beardtongue	Plantaginaceae	perennial herb	Apr-Aug	None	None	G4T3	S3	1B.3	BLM_S	Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint.	Chaparral (rocky)		700	1370	2295	4495	Yes	1988-01-01	Jason Matthias Mills 2020
Penstemon rattanii var. kleei	Santa Cruz Mountains beardtongue	Plantaginaceae	perennial herb	(Mar)May-Jun	None	None	G4T2	S2	1B.2	SB_UCSC	Development, Foot traffic/trampling, Insufficient population/stand size, Other	Chaparral, Lower montane coniferous forest, North Coast coniferous forest		400	1100	1310	3610	Yes	1984-01-01	No Photo Available
Penstemon heterodoxus var. shastensis	Shasta beardtongue	Plantaginaceae	perennial herb	May-Sep	None	None	G5T3	S3	4.3	SB_CalBG/RSABG		Broadleafed upland forest, Chaparral, Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest	Clay, Mesic (often), Volcanic	1100	2400	3610	7875	Yes	1974-01-01	Sierra Pacific Industries (2009)
Penstemon stephensii	Stephens' beardtongue	Plantaginaceae	perennial herb	Apr-Jun	None	None	G3?	S3?	1B.3	BLM_S; SB_CalBG/RSABG	Mining, Non-native animal impacts, Other, Recreational use (non-ORV)	Mojavean desert scrub, Pinyon and juniper woodland	Carbonate (usually), Rocky	1160	1850	3805	6070	Yes	1974-01-01	No Photo Available
Pentachaeta exilis ssp. aeolica	San Benito pentachaeta	Asteraceae	annual herb	Mar-May	None	None	G5T2	S2	1B.2	BLM_S; SB_SBBG; USFS_S	Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Cismontane woodland, Valley and foothill grassland		480	855	1575	2805	Yes	1980-01-01	No Photo Available
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
Triteleia clementina	San Clemente Island triteleia	Themidaceae	perennial bulbiferous herb	Mar-Apr	None	None	G2	S2	1B.2	SB_CalBG/RSABG; SB_CRES		Valley and foothill grassland (rocky)		100	445	330	1460	Yes	1974-01-01	No Photo Available
Platystemon californicus var. ciliatus	Santa Barbara Island cream cups	Papaveraceae	annual herb	Feb-May	None	None	G5T1Q	S1	1B.2			Coastal bluff scrub		50	50	165	165	Yes	1984-01-01	No Photo Available
Isocoma menziesii var. diabolica	Satan's goldenbush	Asteraceae	perennial shrub	Aug-Oct	None	None	G3G5T3	S3	4.2			Cismontane woodland		15	400	50	1310	Yes	1994-01-01	No Photo Available
Streptanthus campestris	southern jewelflower	Brassicaceae	perennial herb	(Apr)May-Jul	None	None	G3	S3	1B.3	BLM_S; SB_CRES; USFS_S	Development, Foot traffic/trampling, 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
Townsendia leptotes	slender townsendia	Asteraceae	perennial herb	Jun-Aug	None	None	G4	S2	2B.3		Erosion/runoff, Foot traffic/trampling	Alpine boulder and rock field		3275	3810	10745	12500		2001-01-01	No Photo Available
Trifolium hydrophilum	saline clover	Fabaceae	annual herb	Apr-Jun	None	None	G2	S2	1B.2		Agriculture, Biocides, Development, Disking, Grazing, Improper burning regime, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter	Marshes and swamps, Valley and foothill grassland (mesic, alkaline), Vernal pools		0	300	0	985	Yes	2001-01-01	© 2005 Dean Wm Taylor
Microseris douglasii ssp. platycarpha	small-flowered microseris	Asteraceae	annual herb	Mar-May	None	None	G4T4	S4	4.2	SB_CRES		Cismontane woodland, Coastal scrub, Valley and foothill grassland, Vernal pools	Clay	15	1070	50	3510		2001-01-01	© 2015 Richard Spellenberg
Sabulina stolonifera	Scott Mountain sandwort	Caryophyllaceae	perennial stoloniferous herb	May-Aug	None	None	G2	S2	1B.3	SB_CalBG/RSABG; USFS_S	Road/trail construction/maint.	Lower montane coniferous forest (serpentinite)		1250	1400	4100	4595	Yes	1994-01-01	©2013 Julie Kierstead Nelson
Monardella beneolens	sweet-smelling monardella	Lamiaceae	perennial rhizomatous herb	Jun-Sep	None	None	G2	S2	1B.3	BLM_S; SB_CalBG/RSABG; USFS_S	Other, Road/trail construction/maint.	Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest	Granitic	2475	3500	8120	11485	Yes	1994-01-01	© Rick York and CNPS
Angelica lucida	sea-watch	Apiaceae	perennial herb	Apr-Sep	None	None	G5	S3	4.2	SB_USDA		Coastal bluff scrub, Coastal dunes, Coastal scrub, Marshes and swamps (coastal salt)		0	150	0	490		2001-01-01	© 2022 Stillwater Sciences
Lathyrus japonicus	seaside pea	Fabaceae	perennial rhizomatous herb	May-Aug	None	None	G5	S2	2B.1	IUCN_LC	Development, Erosion/runoff, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Coastal dunes		1	30	5	100		2001-01-01	©2021 Scot Loring
Elymus salina	Salina Pass wild-rye	Poaceae	perennial rhizomatous herb	May-Jun	None	None	G5	S2S3	2B.3	SB_USDA		Pinyon and juniper woodland (rocky)		1350	2135	4430	7005		2001-01-01	No Photo Available
Lessingia micradenia var. glabrata	smooth lessingia	Asteraceae	annual herb	(Apr-Jun)Jul-Nov	None	None	G2T2	S2	1B.2	SB_BerrySB; SB_CalBG/RSABG	Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Waterway bank protection/maintenance	Chaparral, Cismontane woodland, Valley and foothill grassland	Roadsides (often), Serpentine	120	420	395	1380	Yes	1994-01-01	© 2015 Aaron Schusteff
Pelazoneuron puberulum var. sonorense	Sonoran maiden fern	Thelypteridaceae	perennial rhizomatous herb	Jan-Sep	None	None	G5T3	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
Trifolium buckwestiorum	Santa Cruz clover	Fabaceae	annual herb	Apr-Oct	None	None	G2	S2	1B.1	BLM_S; SB_SBBG; SB_UCSC; SB_USDA	Development, Disease, Erosion/runoff, Feral pigs, Foot traffic/trampling, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Broadleafed upland forest, Cismontane woodland, Coastal prairie	Gravelly	35	610	115	2000	Yes	1994-01-01	No Photo Available
Quercus durata var. gabrielensis	San Gabriel oak	Fagaceae	perennial evergreen shrub	Apr-May	None	None	G4T3	S3	4.2			Chaparral, Cismontane woodland		450	1000	1475	3280	Yes	2001-01-01	No Photo Available
Quercus turbinella	shrub live oak	Fagaceae	perennial evergreen shrub	Apr-Jun	None	None	G5	S4	4.3	IUCN_LC		Chaparral, Cismontane woodland, Lower montane coniferous forest, Pinyon and juniper woodland		1200	2000	3935	6560		2001-01-01	No Photo Available
Howellanthus dalesianus	Scott Mountain howellanthus	Hydrophyllaceae	perennial herb	May-Jul(Aug)	None	None	G3	S3	4.3		Erosion/runoff, Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Lower montane coniferous forest, Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest	Serpentine	1025	2105	3365	6905	Yes	1974-01-01	Aaron Schusteff 2008
Phacelia greenei	Scott Valley phacelia	Hydrophyllaceae	annual herb	Apr-Jun	None	None	G2	S2	1B.2	BLM_S; USFS_S	Biocides, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Closed-cone coniferous forest, Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest	Serpentine	800	2440	2625	8005	Yes	1974-01-01	© 2011 Steve Matson
Pholisma sonorae	sand food	Lennoaceae	perennial herb (parasitic)	(Mar)Apr-Jun	None	None	G2	S2	1B.2	BLM_S; SB_CalBG/RSABG	Agriculture, Military operations, Non-native plant impacts, ORV activity, Other, Vandalism/dumping/litter	Desert dunes, Sonoran desert scrub (sandy)		0	200	0	655		1974-01-01	No Photo Available
Plagiobothrys diffusus	San Francisco popcornflower	Boraginaceae	annual herb	Mar-Jun	None	CE	G1Q	S1	1B.1	SB_UCSC	Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Coastal prairie, Valley and foothill grassland		60	360	195	1180	Yes	1974-01-01	No Photo Available
Poa atropurpurea	San Bernardino blue grass	Poaceae	perennial rhizomatous herb	(Apr)May-Jul(Aug)	FE	None	G2	S2	1B.2	SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Vandalism/dumping/litter, Wood cutting or brush clearing	Meadows and seeps (mesic)		1360	2455	4460	8055	Yes	1974-01-01	No Photo Available
Rhinotropis subspinosa	spiny milkwort	Polygalaceae	perennial herb	May-Aug	None	None	G4?	S3	2B.2		Grazing, Non-native plant impacts, Other, Road/trail construction/maint.	Great Basin scrub, Pinyon and juniper woodland	Gravelly, Rocky	1330	1705	4365	5595		1984-01-01	No Photo Available
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
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
Raillardella pringlei	showy raillardella	Asteraceae	perennial rhizomatous herb	Jul-Sep	None	None	G2G3	S2S3	1B.2	SB_BerrySB; SB_CalBG/RSABG; USFS_S	Altered flood/tidal/hydrologic regime, Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint.	Bogs and fens, Meadows and seeps, Upper montane coniferous forest	Mesic, Serpentine	1200	2290	3935	7515	Yes	1974-01-01	©2008 Shauna Hee
Anisocarpus scabridus	scabrid alpine tarplant	Asteraceae	perennial herb	Jul-Aug(Sep)	None	None	G3	S3	1B.3	SB_CalBG/RSABG; USFS_S	Development, Erosion/runoff, Foot traffic/trampling, ORV activity, Other, Road/trail construction/maint.	Upper montane coniferous forest (metamorphic, rocky)		1650	2300	5415	7545	Yes	1980-01-01	©2014 Sierra Pacific Industries
Ribes sericeum	Santa Lucia gooseberry	Grossulariaceae	perennial deciduous shrub	Feb-Apr	None	None	G4	S4	4.3	SB_UCSC		Broadleafed upland forest, Cismontane woodland, Coastal bluff scrub, North Coast coniferous forest		305	1220	1000	4005	Yes	1974-01-01	No Photo Available
Ribes thacherianum	Santa Cruz Island gooseberry	Grossulariaceae	perennial deciduous shrub	Feb-Jun	None	None	G2	S2	1B.2	SB_USDA		Cismontane woodland, Closed-cone coniferous forest, Riparian woodland		10	455	35	1495	Yes	1974-01-01	No Photo Available
Ribes tularense	Sequoia gooseberry	Grossulariaceae	perennial deciduous shrub	May	None	None	G1	S1	1B.3	BLM_S	Logging, Other, Road/trail construction/maint., Vandalism/dumping/litter	Lower montane coniferous forest, Upper montane coniferous forest		1500	2075	4920	6810	Yes	1974-01-01	No Photo Available
Ribes viburnifolium	Santa Catalina Island currant	Grossulariaceae	perennial evergreen shrub	Feb-Apr	None	None	G2?	S2?	1B.2	SB_USDA	Erosion/runoff	Chaparral, Cismontane woodland		30	350	100	1150		1974-01-01	No Photo Available
Rosa minutifolia	small-leaved rose	Rosaceae	perennial deciduous shrub	Jan-Jun	None	CE	G2G3	SX.C	2B.1	SB_CalBG/RSABG; SB_CRES	Development, Non-native plant impacts, ORV activity, Wood cutting or brush clearing	Chaparral, Coastal scrub		150	160	490	525		1988-01-01	No Photo Available
Scrophularia villosa	Santa Catalina figwort	Scrophulariaceae	perennial shrub	Apr-Aug	None	None	G3	S3	1B.2	SB_CalBG/RSABG		Chaparral, Coastal scrub		45	510	150	1675	Yes	1974-01-01	No Photo Available
Packera bernardina	San Bernardino ragwort	Asteraceae	perennial herb	May-Jul	None	None	G2	S2	1B.2	SB_CalBG/RSABG; USFS_S	Development, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, ORV activity, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Meadows and seeps (mesic, sometimes alkaline), Pebble (Pavement) plain, Upper montane coniferous forest		1800	2300	5905	7545	Yes	1974-01-01	No Photo Available
Senecio hydrophiloides	sweet marsh ragwort	Asteraceae	perennial herb	May-Aug	None	None	G5	S4	4.2			Lower montane coniferous forest, Meadows and seeps	Mesic	0	2800	0	9185		1984-01-01	© 2021 Scot Loring
Packera macounii	Siskiyou Mountains ragwort	Asteraceae	perennial herb	Jun-Jul	None	None	G5?	S3	4.3			Chaparral, Lower montane coniferous forest	Disturbed areas (often), Serpentine (sometimes)	400	915	1310	3000		1984-01-01	©2015 John Doyen
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	© 2008 Kim M Klementowski
Silene verecunda ssp. verecunda	San Francisco campion	Caryophyllaceae	perennial herb	(Feb)Mar-Jul(Aug)	None	None	G5T1	S1	1B.2	SB_CalBG/RSABG; SB_UCSC	Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV)	Chaparral, Coastal bluff scrub, Coastal prairie, Coastal scrub, Valley and foothill grassland	Sandy	30	645	100	2115	Yes	1980-01-01	No Photo Available
Sparganium natans	small bur-reed	Typhaceae	perennial rhizomatous herb (emergent)	Jun-Sep	None	None	G5	S3	4.3	IUCN_LC		Bogs and fens, Marshes and swamps (lake margins), Meadows and seeps		1625	2500	5330	8205		1988-01-01	© 2009 Keir Morse
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
Streptanthus brachiatus ssp. brachiatus	Socrates Mine jewelflower	Brassicaceae	perennial herb	May-Jun	None	None	G2T1	S1	1B.2	BLM_S	Development, Mining, ORV activity, Road/trail construction/maint.	Chaparral, Closed-cone coniferous forest	Serpentine (usually)	545	1000	1790	3280	Yes	1980-01-01	No Photo Available
Streptanthus drepanoides	sickle-fruit jewelflower	Brassicaceae	annual herb	Apr-Jun	None	None	G4	S4	4.3			Chaparral, Cismontane woodland, Lower montane coniferous forest	Serpentine	275	1660	900	5445	Yes	1988-01-01	©2012 Julie Kierstead Nelson
Tetradymia argyraea	striped horsebrush	Asteraceae	perennial deciduous shrub	(May)Jun-Sep	None	None	G4?	S4	4.3	SB_CalBG/RSABG		Pinyon and juniper woodland (rocky)		1400	2230	4595	7315		1974-01-01	No Photo Available
Thysanocarpus conchuliferus	Santa Cruz Island fringepod	Brassicaceae	annual herb	Mar-Apr(May)	FE	None	G2?	S2	1B.2	SB_SBBG		Chaparral, Cismontane woodland	Rocky	45	655	150	2150	Yes	1974-01-01	No Photo Available
Trichostema micranthum	small-flowered bluecurls	Lamiaceae	annual herb	Jun-Sep	None	None	G4	S3	4.3			Lower montane coniferous forest, Meadows and seeps	Mesic	1525	2300	5005	7545		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
Trillium ovatum ssp. oettingeri	Salmon Mountains wakerobin	Melanthiaceae	perennial herb	Feb-Jul	None	None	G5T4	S4	4.2			Lower montane coniferous forest, Riparian scrub, Upper montane coniferous forest	Mesic	855	2024	2805	6640	Yes	1980-01-01	©2017 Len Lindstrand III
Vaccinium coccineum	Siskiyou Mountains huckleberry	Ericaceae	perennial deciduous shrub	Jun-Aug	None	None	G3Q	S3	3.3			Lower montane coniferous forest, Upper montane coniferous forest	Serpentine (often)	1095	2135	3595	7005		1974-01-01	No Photo Available
Vancouveria chrysantha	Siskiyou inside-out-flower	Berberidaceae	perennial rhizomatous herb	Jun	None	None	G4	S3	4.3			Chaparral, Lower montane coniferous forest	Serpentine	120	1500	395	4920		1974-01-01	© 2015 John Doyen
Veratrum insolitum	Siskiyou false-hellebore	Melanthiaceae	perennial herb	Jun-Aug	None	None	G3	S4	4.3			Chaparral, Lower montane coniferous forest	Clay	45	1635	150	5365		1974-01-01	©2008 Keir Morse
Bahiopsis laciniata	San Diego County viguiera	Asteraceae	perennial shrub	Feb-Jun(Aug)	None	None	G4	S4	4.3	SB_CalBG/RSABG; SB_CRES		Chaparral, Coastal scrub		60	750	195	2460		1974-01-01	No Photo Available
Allium sanbornii var. sanbornii	Sanborn's onion	Alliaceae	perennial bulbiferous herb	May-Sep	None	None	G4T4?	S3S4	4.2			Chaparral, Cismontane woodland, Lower montane coniferous forest	Gravelly, Serpentine (usually)	260	1510	855	4955		1994-01-01	©2018 Steven Perry
Arctostaphylos glandulosa ssp. gabrielensis	San Gabriel manzanita	Ericaceae	perennial evergreen shrub	Mar	None	None	G5T3	S3	1B.2	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	© 2016 Neal Kramer
Asclepias solanoana	serpentine milkweed	Apocynaceae	perennial herb	May-Jul(Aug)	None	None	G3	S3	4.2	SB_CalBG/RSABG		Chaparral, Cismontane woodland, Lower montane coniferous forest	Serpentine	230	1860	755	6105	Yes	1974-01-01	© 2009 Julie Kierstead Nelson
Astragalus lentiginosus var. antonius	San Antonio milk-vetch	Fabaceae	perennial herb	Apr-Jul	None	None	G5T2	S2	1B.3	SB_CalBG/RSABG; SB_USDA; USFS_S	Channelization, Development, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint.	Lower montane coniferous forest, Upper montane coniferous forest		1500	2600	4920	8530	Yes	1994-01-01	No Photo Available
Astragalus pulsiferae var. suksdorfii	Suksdorf's milk-vetch	Fabaceae	perennial herb	May-Aug	None	None	G4T2	S2	1B.2	BLM_S; SB_UCSC; USFS_S	Development, Foot traffic/trampling, Grazing, Logging, Mining, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing	Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland	Gravelly, Rocky, Volcanic	1300	2000	4265	6560		1994-01-01	©2013 Kirsten Bovee
Baccharis plummerae ssp. glabrata	San Simeon baccharis	Asteraceae	perennial deciduous shrub	Jun	None	None	G3T1	S1	1B.2	USFS_S		Coastal scrub		50	480	165	1575	Yes	1994-01-01	No Photo Available
Kopsiopsis hookeri	small groundcone	Orobanchaceae	perennial rhizomatous herb (parasitic)	Apr-Aug	None	None	G4?	S1S2	2B.3		Foot traffic/trampling, Hybridization, Insufficient population/stand size, Logging, Road/trail construction/maint.	Lower montane coniferous forest, North Coast coniferous forest, Upper montane coniferous forest		90	885	295	2905		1994-01-01	©2016 Vernon Smith
Calochortus clavatus var. gracilis	slender mariposa-lily	Liliaceae	perennial bulbiferous herb	Mar-Jun(Nov)	None	None	G4T2T3	S2S3	1B.2	SB_CalBG/RSABG; USFS_S	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Improper burning regime, Landfill, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Chaparral, Coastal scrub, Valley and foothill grassland		320	1000	1050	3280	Yes	1994-01-01	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 cuspidata var. cuspidata	San Francisco Bay spineflower	Polygonaceae	annual herb	Apr-Jul(Aug)	None	None	G2T1	S1	1B.2	SB_CalBG/RSABG	Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint.	Coastal bluff scrub, Coastal dunes, Coastal prairie, Coastal scrub	Sandy	3	215	10	705	Yes	1994-01-01	No Photo Available
Chorizanthe robusta var. hartwegii	Scotts Valley spineflower	Polygonaceae	annual herb	Apr-Jul	FE	None	G2T1	S1	1B.1	SB_UCSC	Development, Non-native plant impacts, Other, Road/trail construction/maint.	Meadows and seeps (sandy), Valley and foothill grassland (mudstone, Purisima outcrops)		230	245	755	805	Yes	1994-01-01	No Photo Available
Clarkia concinna ssp. automixa	Santa Clara red ribbons	Onagraceae	annual herb	(Apr)May-Jun(Jul)	None	None	G5?T3	S3	4.3	SB_CalBG/RSABG		Chaparral, Cismontane woodland		90	1500	295	4920	Yes	1994-01-01	No Photo Available
Condalia globosa var. pubescens	spiny abrojo	Rhamnaceae	perennial deciduous shrub	Mar-May(Nov)	None	None	G5T4	S3	4.2			Sonoran desert scrub		85	1000	280	3280		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
Cryptantha dissita	serpentine cryptantha	Boraginaceae	annual herb	Apr-Jun	None	None	G3	S3	1B.2	BLM_S	Agriculture, Development, Erosion/runoff, Mining, Other	Chaparral (serpentinite)		395	580	1295	1905	Yes	1994-01-01	©2019 Terry Gosliner
Epilobium howellii	subalpine fireweed	Onagraceae	perennial stoloniferous herb	Jul-Aug	None	None	G4	S4	4.3		Development, Foot traffic/trampling, Grazing, Improper burning regime, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Meadows and seeps, Subalpine coniferous forest	Mesic	2000	3120	6560	10235	Yes	1994-01-01	No Photo Available
Erigeron biolettii	streamside daisy	Asteraceae	perennial herb	Jun-Oct	None	None	G3?	S3?	3			Broadleafed upland forest, Cismontane woodland, North Coast coniferous forest	Mesic, Rocky	30	1100	100	3610	Yes	1994-01-01	©2015 Doug Wirtz
Erigeron breweri var. jacinteus	San Jacinto Mountains daisy	Asteraceae	perennial rhizomatous herb	Jun-Sep	None	None	G5T3	S3	4.3	SB_CalBG/RSABG		Subalpine coniferous forest, Upper montane coniferous forest	Rocky	2700	2900	8860	9515	Yes	1994-01-01	No Photo Available
Erigeron serpentinus	serpentine daisy	Asteraceae	perennial herb	May-Aug	None	None	G2	S2	1B.3	BLM_S; SB_CalBG/RSABG	Feral pigs, Foot traffic/trampling, Grazing, Mining, Non-native plant impacts, Other	Chaparral (seeps, serpentinite)		60	670	195	2200	Yes	1994-01-01	No Photo Available
Eriogonum kennedyi var. alpigenum	southern alpine buckwheat	Polygonaceae	perennial herb	Jul-Sep	None	None	G4T3	S3	1B.3	SB_CalBG/RSABG; USFS_S	Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint.	Alpine boulder and rock field, Subalpine coniferous forest	Granitic, Gravelly	2600	3500	8530	11485	Yes	1994-01-01	No Photo Available
Erythronium citrinum var. roderickii	Scott Mountains fawn lily	Liliaceae	perennial bulbiferous herb	Mar-Jun	None	None	G4T3T4	S3S4	4.3	SB_UCSC	Biocides, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, ORV activity, Other, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Lower montane coniferous forest	Rocky (often), Serpentine	550	1600	1805	5250	Yes	1994-01-01	© 2011 Sierra Pacific Industries
Erythronium helenae	St. Helena fawn lily	Liliaceae	perennial bulbiferous herb	Mar-May	None	None	G3	S3	4.2			Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland	Serpentine (sometimes), Volcanic (sometimes)	350	1220	1150	4005	Yes	1974-01-01	No Photo Available
Erythronium pluriflorum	Shuteye Peak fawn lily	Liliaceae	perennial bulbiferous herb	May-Jul	None	None	G2	S2	1B.3	SB_SBBG; USFS_S	Foot traffic/trampling, ORV activity, Recreational use (non-ORV), Road/trail construction/maint.	Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest	Granitic, Rocky	2300	2550	7545	8365	Yes	1994-01-01	No Photo Available
Galium angustifolium ssp. gracillimum	slender bedstraw	Rubiaceae	perennial herb	Apr-Jun(Jul)	None	None	G5T4	S4	4.2	SB_CalBG/RSABG		Joshua tree "woodland", Sonoran desert scrub	Granitic, Rocky	130	1550	425	5085	Yes	1994-01-01	© 2011 Duncan S. Bell
Galium angustifolium ssp. jacinticum	San Jacinto Mountains bedstraw	Rubiaceae	perennial herb	Jun-Aug	None	None	G5T2?	S2?	1B.3	BLM_S; SB_CalBG/RSABG; USFS_S	Development, Logging, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter	Lower montane coniferous forest		1350	2100	4430	6890	Yes	1994-01-01	© 2015 Keir Morse
Hesperevax sparsiflora var. brevifolia	short-leaved evax	Asteraceae	annual herb	Mar-Jun	None	None	G4T3	S3	1B.2	BLM_S; SB_CalBG/RSABG	Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Coastal bluff scrub (sandy), Coastal dunes, Coastal prairie		0	215	0	705		1994-01-01	© 2006 Doreen L. Smith
Heterotheca shevockii	Shevock's golden-aster	Asteraceae	perennial herb	Aug-Nov	None	None	G2	S2	1B.3	SB_CalBG/RSABG; USFS_S	Foot traffic/trampling, Recreational use (non-ORV), Road/trail construction/maint.	Chaparral, Cismontane woodland	Sandy	230	900	755	2955	Yes	1994-01-01	© 2017 Chris Winchell
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	© 2012 Chris Winchell
Hulsea vestita ssp. gabrielensis	San Gabriel Mountains sunflower	Asteraceae	perennial herb	May-Jul	None	None	G5T3	S3	4.3	SB_CalBG/RSABG; USFS_S		Lower montane coniferous forest, Upper montane coniferous forest	Rocky	1500	2500	4920	8205	Yes	1994-01-01	© 2013 Anuja Parikh and Nathan Gale
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	© 2020 Zoya Akulova
Leptosiphon ambiguus	serpentine leptosiphon	Polemoniaceae	annual herb	Mar-Jun	None	None	G4	S4	4.2	SB_UCBG		Cismontane woodland, Coastal scrub, Valley and foothill grassland	Serpentine (usually)	120	1130	395	3710	Yes	1994-01-01	© 2010 Aaron Schusteff
Acmispon argyraeus var. multicaulis	scrub lotus	Fabaceae	perennial herb	Apr-Jun	None	None	G4?T2	S2	1B.3	BLM_S; SB_CalBG/RSABG	Development, Mining, ORV activity	Pinyon and juniper woodland (granitic)		1200	1500	3935	4920	Yes	1994-01-01	© 2010 James M. Andre
Monardella candicans	Sierra monardella	Lamiaceae	annual herb	Apr-Jul	None	None	G4	S4	4.3			Chaparral, Cismontane woodland, Lower montane coniferous forest	Gravelly, Sandy	150	800	490	2625	Yes	1994-01-01	© 2011 Jean Pawek
Monardella stebbinsii	Stebbins' monardella	Lamiaceae	perennial rhizomatous herb	Jul-Sep	None	None	G2	S2	1B.2	SB_UCSC; USFS_S	Development, Erosion/runoff, Logging, Mining, Road/trail construction/maint.	Broadleafed upland forest, Chaparral, Lower montane coniferous forest	Rocky, Serpentine	780	1100	2560	3610	Yes	1974-01-01	© 2011 George W. Hartwell
Navarretia nigelliformis ssp. radians	shining navarretia	Polemoniaceae	annual herb	(Mar)Apr-Jul	None	None	G4T2	S2	1B.2	BLM_S	Agriculture, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Cismontane woodland, Valley and foothill grassland, Vernal pools	Clay (sometimes)	65	1000	215	3280	Yes	1994-01-01	No Photo Available
Nemacaulis denudata var. gracilis	slender cottonheads	Polygonaceae	annual herb	(Mar)Apr-May	None	None	G3G4T3?	S2	2B.2		Development, Grazing, Non-native plant impacts, ORV activity	Coastal dunes, Desert dunes, Sonoran desert scrub		-50	400	-165	1310		1994-01-01	No Photo Available
Neviusia cliftonii	Shasta snow-wreath	Rosaceae	perennial deciduous shrub	Apr-Jun	None	CT	G2	S2	1B.2	SB_CalBG/RSABG; USFS_S	Altered flood/tidal/hydrologic regime, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint.	Cismontane woodland, Lower montane coniferous forest, Riparian woodland	Carbonate (sometimes), Streambanks (often), Volcanic	300	590	985	1935	Yes	1994-01-01	©2008 Steve Matson
Rhus aromatica var. simplicifolia	single-leaved skunkbrush	Anacardiaceae	perennial deciduous shrub	Mar-Apr	None	None	G5T5	S2	2B.3		Foot traffic/trampling	Pinyon and juniper woodland	Granitic (usually)	1220	1370	4005	4495		1994-01-01	No Photo Available
Schoenoplectus heterochaetus	slender bulrush	Cyperaceae	perennial rhizomatous herb	Aug	None	None	G5	S1	2B.1	IUCN_LC		Lower montane coniferous forest, Marshes and swamps (lake margins)		1600	1600	5250	5250		1994-01-01	No Photo Available
Scutellaria bolanderi ssp. austromontana	southern mountains skullcap	Lamiaceae	perennial rhizomatous herb	Jun-Aug	None	None	G4T3	S3	1B.2	SB_CalBG/RSABG; USFS_S	Foot traffic/trampling, Grazing, Logging	Chaparral, Cismontane woodland, Lower montane coniferous forest	Mesic	425	2000	1395	6560	Yes	1994-01-01	No Photo Available
Scutellaria lateriflora	side-flowering skullcap	Lamiaceae	perennial rhizomatous herb	Jul-Sep	None	None	G5	S1S2	2B.2	IUCN_LC	Recreational use (non-ORV)	Marshes and swamps, Meadows and seeps (mesic)		0	500	0	1640		1994-01-01	No Photo Available
Sidalcea malviflora ssp. patula	Siskiyou checkerbloom	Malvaceae	perennial rhizomatous herb	(Mar-Apr)May-Aug	None	None	G4G5T2	S2	1B.2	SB_UCSC	Agriculture, Biocides, Development, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter	Coastal bluff scrub, Coastal prairie, North Coast coniferous forest	Roadsides (often)	15	1230	50	4035		1994-01-01	©2004 Dean Wm. Taylor
Sidalcea neomexicana	salt spring checkerbloom	Malvaceae	perennial herb	Mar-Jun	None	None	G4	S2	2B.2	USFS_S	Development	Chaparral, Coastal scrub, Lower montane coniferous forest, Mojavean desert scrub, Playas	Alkaline, Mesic	15	1530	50	5020		1994-01-01	No Photo Available
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
Astragalus iodanthus var. diaphanoides	snake milk-vetch	Fabaceae	perennial herb	Apr-Jun	None	None	G4T4	S3	4.3			Chenopod scrub, Great Basin scrub (clay, sandy)		1200	1405	3935	4610		2001-01-01	No Photo Available
Atriplex subtilis	subtle orache	Chenopodiaceae	annual herb	(Apr)Jun-Sep(Oct)	None	None	G1	S1	1B.2		Agriculture, Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Grazing, Landfill, Mining	Valley and foothill grassland	Alkaline	40	100	130	330	Yes	1994-01-01	© 2000 Robert E. Preston, Ph.D.
Balsamorhiza serrata	serrated balsamroot	Asteraceae	perennial herb	May-Jun	None	None	G5	S2	2B.3		Grazing, Improper burning regime	Great Basin scrub (rocky)		1400	1765	4595	5790		2001-01-01	No Photo Available
Botrychium lineare	slender moonwort	Ophioglossaceae	perennial herb	Unk	None	None	G3	S1	1B.1	USFS_S	Foot traffic/trampling, Road/trail construction/maint.	Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest (often disturbed areas)		2560	2600	8400	8530		2001-01-01	No Photo Available
Chylismia arenaria	sand evening-primrose	Onagraceae	annual/perennial herb	Nov-May	None	None	G4?	S2S3	2B.2		Agriculture, Erosion/runoff	Sonoran desert scrub (sandy, rocky)		-70	915	-230	3000		2001-01-01	No Photo Available
Carex serpenticola	serpentine sedge	Cyperaceae	perennial rhizomatous herb	Mar-May	None	None	G4	S3	2B.3			Meadows and seeps (mesic, serpentinite)		60	1200	195	3935		2001-01-01	©2005 Norman Jensen
Castilleja densiflora var. obispoensis	San Luis Obispo owl's-clover	Orobanchaceae	annual herb (hemiparasitic)	Mar-May	None	None	G5T2	S2	1B.2	SB_SBBG	Biocides, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, Military operations, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Meadows and seeps, Valley and foothill grassland	Serpentine (sometimes)	10	430	35	1410	Yes	2001-01-01	© 2010 Aaron E. Sims
Caulanthus major var. nevadensis	slender jewelflower	Brassicaceae	perennial herb	Jun-Sep	None	None	G4T3?	S3?	4.3			Pinyon and juniper woodland (often rocky)		1705	2895	5595	9500		2001-01-01	No Photo Available
Cleomella brevipes	short-pedicelled cleomella	Cleomaceae	annual herb	May-Oct	None	None	G4	S3	4.2			Marshes and swamps, Meadows and seeps, Playas	Alkaline	395	2195	1295	7200		2001-01-01	No Photo Available
Cordylanthus rigidus ssp. brevibracteatus	short-bracted bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	Jul-Aug(Sep-Oct)	None	None	G5T3	S3	4.3	SB_CalBG/RSABG		Chaparral, Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest	Granitic, Openings	610	2590	2000	8500	Yes	2001-01-01	No Photo Available
Draba saxosa	Southern California rock draba	Brassicaceae	perennial herb	Jun-Sep	None	None	G2G3	S2S3	1B.3	SB_CalBG/RSABG; USFS_S		Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest	Rocky	2440	3600	8005	11810	Yes	2001-01-01	No Photo Available
Draba lonchocarpa	spear-fruited draba	Brassicaceae	perennial herb	Jun-Jul	None	None	G5	S2S3	2B.3		Other, Road/trail construction/maint.	Alpine boulder and rock field (carbonate, scree)		3000	3295	9845	10810		2001-01-01	No Photo Available
Eriogonum giganteum var. giganteum	Santa Catalina Island buckwheat	Polygonaceae	perennial evergreen shrub	Mar-Oct	None	None	G3T3	S3	4.3	SB_CalBG/RSABG		Chaparral, Coastal scrub	Rocky	10	535	35	1755	Yes	1974-01-01	No Photo Available
Festuca minutiflora	small-flowered fescue	Poaceae	perennial herb	Jul	None	None	G5	S2	2B.3		Mining, ORV activity, Recreational use (non-ORV)	Alpine boulder and rock field		3200	4050	10500	13290		2001-01-01	No Photo Available
Gilia leptantha ssp. leptantha	San Bernardino gilia	Polemoniaceae	annual herb	Jun-Aug	None	None	G4T2	S2	1B.3	SB_CalBG/RSABG; USFS_S	Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint.	Lower montane coniferous forest (gravelly, sandy)		1500	2560	4920	8400	Yes	2001-01-01	© 2016 Steven Thorsted
Githopsis pulchella ssp. serpentinicola	serpentine bluecup	Campanulaceae	annual herb	May-Jun	None	None	G4T3	S3	4.3			Cismontane woodland (Ioam, serpentinite)		320	610	1050	2000	Yes	2001-01-01	© 2019 Barry Breckling
Lonicera subspicata var. subspicata	Santa Barbara honeysuckle	Caprifoliaceae	perennial evergreen shrub	(Feb)May-Aug(Dec)	None	None	G5T2?	S2?	1B.2	SB_SBBG; USFS_S	Agriculture, Development, Erosion/runoff, Landfill, Non-native plant impacts, Other, Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Chaparral, Cismontane woodland, Coastal scrub		10	1000	35	3280	Yes	2001-01-01	No Photo Available
Lupinus elmeri	South Fork Mountain lupine	Fabaceae	perennial herb	Jun-Jul(Aug)	None	None	G2	S2	1B.2	SB_CalBG/RSABG	Grazing, Logging, Recreational use (non-ORV), Road/trail construction/maint.	Lower montane coniferous forest		1218	2000	3995	6560	Yes	2001-01-01	©2017 Belinda Lo
Lupinus lepidus var. utahensis	stemless lupine	Fabaceae	perennial herb	Jun-Jul	None	None	G5T5?	S3	4.3			Great Basin scrub, Subalpine coniferous forest		1370	3810	4495	12500		2001-01-01	No Photo Available
Mentzelia eremophila	solitary blazing star	Loasaceae	annual herb	Mar-May	None	None	G4	S3S4	4.2	SB_CalBG/RSABG; SB_UCBG		Mojavean desert scrub		700	1220	2295	4005		2001-01-01	No Photo Available
Mertensia oblongifolia var. oblongifolia	sagebrush bluebells	Boraginaceae	perennial herb	Apr-Jul	None	None	G5T5	S3	2B.2		Grazing, Logging	Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Subalpine coniferous forest	Mesic (usually)	1000	3000	3280	9845		2001-01-01	No Photo Available
Microseris sylvatica	sylvan microseris	Asteraceae	perennial herb	Mar-Jun	None	None	G4	S4	4.2			Chaparral, Cismontane woodland, Great Basin scrub, Pinyon and juniper woodland, Valley and foothill grassland	Serpentine (rarely)	45	1500	150	4920	Yes	2001-01-01	No Photo Available
Navarretia myersii ssp. deminuta	small pincushion navarretia	Polemoniaceae	annual herb	Apr-May	None	None	G2T1	S1	1B.1		Development	Vernal pools (clay, loam)		355	355	1165	1165	Yes	2001-01-01	No Photo Available
Oxalis suksdorfii	Suksdorf's wood-sorrel	Oxalidaceae	perennial rhizomatous herb	May-Aug	None	None	G4	S3	4.3			Broadleafed upland forest, North Coast coniferous forest		15	700	50	2295		2001-01-01	©2021 Scot Loring
Parnassia cirrata var. cirrata	San Bernardino grass-of-Parnassus	Parnassiaceae	perennial herb	Aug-Sep	None	None	G5T2	S2	1B.3	SB_CalBG/RSABG; USFS_S	Foot traffic/trampling, Mining, Recreational use (non-ORV)	Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest	Mesic, Streambanks	1250	2440	4100	8005	Yes	2001-01-01	No Photo Available
Penstemon sudans	Susanville beardtongue	Plantaginaceae	perennial herb	Jun-Jul(Aug-Sep)	None	None	G4	S4	4.3	BLM_S; SB_UCSC; USFS_S	Altered flood/tidal/hydrologic regime, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing	Great Basin scrub, Lower montane coniferous forest (openings), Pinyon and juniper woodland	Roadsides (sometimes), Rocky, Volcanic	1200	2425	3935	7955		2001-01-01	No Photo Available
Phacelia coerulea	sky-blue phacelia	Hydrophyllaceae	annual herb	Apr-May	None	None	G5	S2	2B.3			Mojavean desert scrub, Pinyon and juniper woodland		1400	2000	4595	6560		2001-01-01	No Photo Available
Platanthera stricta	slender bog-orchid	Orchidaceae	perennial herb	May-Aug	None	None	G5	S3	4.2			Lower montane coniferous forest, Meadows and seeps	Mesic	1000	2300	3280	7545		2001-01-01	© 2021 Scot Loring
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
Packera bolanderi var. bolanderi	seacoast ragwort	Asteraceae	perennial rhizomatous herb	(Jan-Apr)May-Jul(Aug)	None	None	G4T4	S2S3	2B.2		Biocides, Erosion/runoff, Foot traffic/trampling, Logging, Non-native plant impacts, Other, Road/trail construction/maint., Wood cutting or brush clearing	Coastal scrub, North Coast coniferous forest	Roadsides (sometimes)	30	650	100	2135		2001-01-01	© 2021 Scot Loring
Lewinskya spjutii	Spjut's bristle moss	Orthotrichaceae	moss		None	None	G1G2	S1	1B.3			Lower montane coniferous forest, Pinyon and juniper woodland, Subalpine coniferous forest, Upper montane coniferous forest	Granitic, Rocky	2100	2400	6890	7875		2001-01-01	No Photo Available
Mielichhoferia shevockii	Shevock's copper moss	Mielichhoferiaceae	moss		None	None	G2	S2	1B.2	BLM_S		Cismontane woodland (mesic, metamorphic, rock)		750	1400	2460	4595	Yes	2001-01-01	No Photo Available
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	© 2013 Scot Loring
Myurella julacea	small mousetail moss	Pterigynandraceae	moss		None	None	G5	S2	2B.3			Alpine boulder and rock field, Subalpine coniferous forest		2700	3000	8860	9845		2001-01-01	© 2021 Scot Loring
Symphyotrichum defoliatum	San Bernardino aster	Asteraceae	perennial rhizomatous herb	Jul-Nov	None	None	G2	S2	1B.2	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
Silene serpentinicola	serpentine catchfly	Caryophyllaceae	perennial rhizomatous herb	May-Jul	None	None	G3	S3	1B.2	SB_UCSC; USFS_S	Foot traffic/trampling, Improper burning regime, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint.	Chaparral, Lower montane coniferous forest	Gravelly (sometimes), Openings, Rocky (sometimes), Serpentine	145	1650	475	5415		2005-01-01	©2008 Norman Jensen
Calycadenia micrantha	small-flowered calycadenia	Asteraceae	annual herb	Jun-Sep	None	None	G2	S2	1B.2	USFS_S	Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Non-native plant impacts, Other, Road/trail construction/maint.	Chaparral, Meadows and seeps (volcanic), Valley and foothill grassland	Roadsides, Rocky, Scree, Serpentine (sometimes), Talus	5	1500	15	4920	Yes	2005-01-01	©2021 Aaron Arthur
Ancistrocarphus keilii	Santa Ynez groundstar	Asteraceae	annual herb	Mar-Apr	None	None	G1	S1	1B.1			Chaparral, Cismontane woodland	Sandy	40	130	130	425	Yes	2005-01-01	© 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	© 2005 Dieter Wilken
Fritillaria glauca	Siskiyou fritillaria	Liliaceae	perennial bulbiferous herb	(Apr-May)Jun-Jul	None	None	G3G4	S3	4.2	SB_CalBG/RSABG		Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest	Serpentine, Slopes, Talus	1735	2440	5695	8005		1974-01-01	© 2016 Keir Morse
Poa sierrae	Sierra blue grass	Poaceae	perennial rhizomatous herb	Apr-Jul	None	None	G3	S3	1B.3	BLM_S; USFS_S	Biocides, Dam/Inundation, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Logging, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing	Lower montane coniferous forest	Openings	365	1500	1200	4920	Yes	2010-06-10	© 2012 Belinda Lo
Eurybia merita	subalpine aster	Asteraceae	perennial herb		None	None	G5	S3	2B.3			Upper montane coniferous forest		1300	2085	4265	6840		2006-09-14	©2014 Richard Spellenberg
Claytonia parviflora ssp. grandiflora	streambank spring beauty	Montiaceae	annual herb	Feb-May	None	None	G5T3	S3	4.2			Cismontane woodland	Rocky	250	1200	820	3935	Yes	2006-09-29	No Photo Available
Eriophorum gracile	slender cottongrass	Cyperaceae	perennial rhizomatous herb (emergent)	May-Sep	None	None	G5	S4	4.3			Bogs and fens, Meadows and seeps, Upper montane coniferous forest	Acidic	1280	2900	4200	9515		2006-10-31	©2011 Steven Perry
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
Trifolium siskiyouense	Siskiyou clover	Fabaceae	perennial herb	Jun-Jul	None	None	GH	SH	1B.1			Meadows and seeps (mesic)	Streambanks (sometimes)	880	1500	2885	4920		2007-02-02	No Photo Available
Ambrosia monogyra	singlewhorl burrobrush	Asteraceae	perennial shrub	Aug-Nov	None	None	G5	S2	2B.2	SB_CRES	Grazing, Non-native plant impacts, Other, Road/trail construction/maint.	Chaparral, Sonoran desert scrub	Sandy	10	500	35	1640		2007-02-21	© 2014 Keir Morse
Phacelia ramosissima var. austrolitoralis	south coast branching phacelia	Hydrophyllaceae	perennial herb	Mar-Aug	None	None	G5?T3Q	S3	3.2			Chaparral, Coastal dunes, Coastal scrub, Marshes and swamps (coastal salt)	Rocky (sometimes), Sandy	5	300	15	985		2007-05-17	No Photo Available
Eriogonum umbellatum var. lautum	Scott Valley buckwheat	Polygonaceae	perennial herb	Jul-Sep	None	None	G5T1	S1	1B.1	SB_UCSC	Development	Cismontane woodland, Lower montane coniferous forest	Flats, Gravelly, Sandy	800	900	2625	2955	Yes	2007-06-25	©2007 Dean Wm. Taylor, Ph.D
Eriogonum microthecum var. schoolcraftii	Schoolcraft's wild buckwheat	Polygonaceae	perennial shrub	Jul-Sep	None	None	G5T3	S3	1B.2	BLM_S; USFS_S		Great Basin scrub, Pinyon and juniper woodland	Rocky, Sandy	1300	1750	4265	5740		2007-07-10	No Photo Available
Atriplex pusilla	smooth saltbush	Chenopodiaceae	annual herb	Jun-Sep	None	None	G4	SH	2B.1			Great Basin scrub, Meadows and seeps (hot springs)	Alkaline	1300	2000	4265	6560		2007-08-28	No Photo Available
Astragalus kentrophyta var. ungulatus	spiny milk-vetch	Fabaceae	perennial herb	Jun	None	None	G5T3T4	S1	2B.2	SB_CalBG/RSABG	Grazing, Logging	Pinyon and juniper woodland		2149	2149	7050	7050		2008-02-05	No Photo Available
Brodiaea santarosae	Santa Rosa Basalt brodiaea	Themidaceae	perennial bulbiferous herb	May-Jun	None	None	G1	S1	1B.2	USFS_S	Development, Grazing, Mining, Non-native plant impacts, ORV activity, Road/trail construction/maint., Surface water diversion	Valley and foothill grassland		565	1045	1855	3430	Yes	2008-02-05	© 2021 W. Juergen Schrenk
Parnassia parviflora	small-flowered grass-of-Parnassus	Parnassiaceae	perennial herb	Aug-Sep	None	None	G5?	S2	2B.2		Foot traffic/trampling	Meadows and seeps	Mesic	2000	2855	6560	9365		2008-12-10	No Photo Available
Collomia tenella	slender collomia	Polemoniaceae	annual herb	Jun-Jul	None	None	G4	S1	2B.2		Foot traffic/trampling, Grazing	Upper montane coniferous forest		2170	2170	7120	7120		2009-04-17	No Photo Available
Physaria ludoviciana	silver bladderpod	Brassicaceae	perennial herb	May-Jun	None	None	G5	S1	2B.2			Great Basin scrub		2130	2130	6990	6990		2009-04-23	No Photo Available
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	© 2009 Keir Morse
Juncus nevadensis var. inventus	Sierra rush	Juncaceae	perennial rhizomatous herb	Jul-Nov	None	None	G5T3T4	S1	2B.2			Bogs and fens		0	10	0	35		2009-06-08	No Photo Available
Plagiobothrys nitens	shiny-nutlet popcornflower	Boraginaceae	annual herb	Jun-Jul	None	None	GNR	S1	2B.1	SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Grazing	Meadows and seeps	Alkaline	1510	1600	4955	5250		2009-08-03	No Photo Available
Cryptantha fendleri	sand dune cryptantha	Boraginaceae	annual herb	Jun-Jul	None	None	G5	S1	2B.2			Great Basin scrub		1950	2210	6400	7250		2009-11-16	No Photo Available
Oreocarya schoolcraftii	Schoolcraft's cryptantha	Boraginaceae	perennial herb	Jun-Jul	None	None	G3	S1	2B.2			Great Basin scrub		1615	1705	5300	5595		2009-12-22	No Photo Available
Mentzelia tricuspis	spiny-hair blazing star	Loasaceae	annual herb	Mar-May	None	None	G4	S2	2B.1			Mojavean desert scrub	Gravelly, Sandy, Slopes, Washes	150	1280	490	4200		2010-10-28	No Photo Available
Astragalus bernardinus	San Bernardino milk-vetch	Fabaceae	perennial herb	Apr-Jun	None	None	G3	S3	1B.2	BLM_S; SB_CalBG/RSABG; USFS_S	Other	Joshua tree "woodland", Pinyon and juniper woodland	Carbonate (often), Granitic (often)	900	2000	2955	6560	Yes	2011-02-16	No Photo Available
Boechera serpenticola	serpentine rockcress	Brassicaceae	perennial herb	Mar-Jun	None	None	G1	S1	1B.2	SB_CalBG/RSABG		Lower montane coniferous forest, Upper montane coniferous forest	Serpentine, Talus	790	2100	2590	6890	Yes	2011-05-06	©2020 Sierra Pacific Industries
Boechera shevockii	Shevock's rockcress	Brassicaceae	perennial herb	Jun-Jul	None	None	G1	S1	1B.1	USFS_S	Foot traffic/trampling, Recreational use (non-ORV)	Upper montane coniferous forest	Granitic	2470	2500	8105	8205	Yes	2011-05-06	No Photo Available
Boechera ultraalsa	Snow Mountain rockcress	Brassicaceae	perennial herb	Jun-Jul	None	None	G1	S1	1B.1			Upper montane coniferous forest (rocky)		1800	1800	5905	5905	Yes	2011-06-01	No Photo Available
Brodiaea matsonii	Sulphur Creek brodiaea	Themidaceae	perennial bulbiferous herb	May-Jun	None	None	G1	S1	1B.1	BLM_S; SB_BerrySB	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Non-native plant impacts, Other, Over-collecting/poaching, Surface water diversion, Vandalism/dumping/litter, Wood cutting or brush clearing	Cismontane woodland (streambanks), Meadows and seeps	Rocky	195	220	640	720	Yes	2011-07-12	©2016 Len Lindstrand III
Hesperolinon sharsmithiae	Sharsmith's western flax	Linaceae	annual herb	May-Jul	None	None	G2Q	S2	1B.2	BLM_S; SB_UCSC	Agriculture, Dam/Inundation, Development, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Wood cutting or brush clearing	Chaparral	Serpentine	270	300	885	985	Yes	2012-12-14	© 2017 Aaron Arthur
Botrychium pedunculosum	stalked moonwort	Ophioglossaceae	perennial rhizomatous herb	Aug	None	None	G3G4	S1	2B.1	USFS_S	Grazing	Meadows and seeps, Upper montane coniferous forest	Granitic, Volcanic	1845	1845	6055	6055		2011-10-31	© 2011 Aaron E. Sims
Carex stevenii	Steven's sedge	Cyperaceae	perennial rhizomatous herb	Aug	None	None	G5T4?	S1	2B.2			Alpine boulder and rock field	Dry (sometimes), Streambanks (sometimes)	2850	3385	9350	11105		2011-11-21	No Photo Available
Prosartes parvifolia	Siskiyou bells	Liliaceae	perennial bulbiferous herb	May-Sep	None	None	G2	S2	1B.2	SB_UCSC; USFS_S	Erosion/runoff, Foot traffic/trampling, Logging, Other, Road/trail construction/maint., Wood cutting or brush clearing	Lower montane coniferous forest, Upper montane coniferous forest	Burned areas, Disturbed areas, Roadsides (often)	700	1525	2295	5005		2012-02-08	©2010 Kjirsten Wayman
Cardamine angulata	seaside bittercress	Brassicaceae	perennial herb	(Jan)Mar-Jul	None	None	G4G5	S3	2B.2		Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint.	Lower montane coniferous forest, North Coast coniferous forest	Streambanks	15	915	50	3000		2012-04-10	© 2021 Scot Loring
Brodiaea sierrae	Sierra foothills brodiaea	Themidaceae	perennial bulbiferous herb	May-Aug	None	None	G3	S3	4.3	SB_UCSC		Chaparral, Cismontane woodland, Lower montane coniferous forest	Gabbroic, Serpentine (usually)	50	980	165	3215	Yes	2012-11-20	© 2006 George W. Hartwell
Erythranthe hardhamiae	Santa Lucia monkeyflower	Phrymaceae	annual herb	Mar-May	None	None	G1	S1	1B.1		Development	Chaparral (openings)	Sandstone, Sandy, Serpentine (sometimes)	300	730	985	2395	Yes	2013-07-02	Dylan Neubauer, 2014
Erythranthe sierrae	Sierra Nevada monkeyflower	Phrymaceae	annual herb	Mar-Jul	None	None	G2	S2	4.2	SB_CalBG/RSABG		Cismontane woodland (openings), Lower montane coniferous forest (openings), Meadows and seeps (dry)	Granitic (usually), Gravelly (sometimes), Sandy (usually), Streambanks, Vernally Mesic	185	2285	605	7495	Yes	2013-10-02	© 2014 Neal Kramer
Erythranthe taylorii	Shasta limestone monkeyflower	Phrymaceae	annual herb	(Feb)Apr-May	None	None	G2	S2	1B.1		Biocides, Logging, Non-native plant impacts, Road/trail construction/maint.	Cismontane woodland, Lower montane coniferous forest	Carbonate, Openings, Rocky	355	1070	1165	3510	Yes	2013-10-16	© 2016 Steve Matson
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	© 2017 Keir Morse
Calicium adspersum	spiral-spored gilded-head pin lichen	Caliciaceae	crustose lichen (epiphytic)		None	None	G3G4	S1	2B.2	USFS_S	Improper burning regime, Logging	Lower montane coniferous forest, North Coast coniferous forest		200	200	655	655		2014-03-01	© 2014 Eric B. Peterson
Sulcaria isidiifera	splitting yarn lichen	Alectoriaceae	fruticose lichen (epiphytic)		None	None	G1	S1	1B.1		Development, Improper burning regime, Other, Over-collecting/poaching	Coastal scrub (old growth)		20	30	65	100	Yes	2014-03-01	No Photo Available
Malacothamnus fasciculatus var. catalinensis	Santa Catalina Island bush-mallow	Malvaceae	perennial deciduous shrub	Apr-Jul	None	None	G4T2Q	S2	4.2			Chaparral, Coastal scrub		10	320	35	1050	Yes	2015-05-04	© 2019 Keir Morse
Carex cyrtostachya	Sierra arching sedge	Cyperaceae	perennial herb	May-Aug	None	None	G2	S2	1B.2		Altered flood/tidal/hydrologic regime, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Waterway bank protection/maintenance	Lower montane coniferous forest (mesic), Marshes and swamps, Meadows and seeps, Riparian forest (margins)		610	1360	2000	4460	Yes	2015-08-18	No Photo Available
Erythronium shastense	Shasta fawn lily	Liliaceae	perennial bulbiferous herb	(Feb)Mar-Apr	None	None	G2	S2	1B.2	SB_UCSC	Road/trail construction/maint.	Cismontane woodland, Lower montane coniferous forest	Carbonate (usually), Rocky	350	1020	1150	3345	Yes	2015-09-14	© 2015 Len Lindstrand III
Antennaria sawyeri	Sawyer's pussy-toes	Asteraceae	perennial herb	Jun-Aug	None	None	G2	S2	1B.2		Foot traffic/trampling	Subalpine coniferous forest	Gravelly (sometimes), Rocky (sometimes), Serpentine	2075	2430	6810	7975	Yes	2015-10-29	©2015 Julie Kierstead Nelson
Vaccinium shastense ssp. shastense	Shasta huckleberry	Ericaceae	perennial deciduous shrub	(Jun-Sep)Dec-May	None	None	G4T3	S3	1B.3	BLM_S; SB_UCSC	Dam/Inundation, Mining, Non-native plant impacts, Road/trail construction/maint.	Chaparral, Cismontane woodland, Lower montane coniferous forest, Riparian forest, Subalpine coniferous forest	Acidic, Disturbed areas, Mesic, Roadsides, Rocky, Seeps (sometimes), Streambanks (often)	325	1220	1065	4005	Yes	2015-12-15	© 2016 Steve Matson
Abutilon abutiloides	shrubby Indian mallow	Malvaceae	perennial herb	Aug-Nov	None	None	G5	S1	2B.1		Other, Over-collecting/poaching	Sonoran desert scrub	Granitic, Rocky	855	900	2805	2955		2016-10-05	© 2014 Wynn Anderson
Adiantum shastense	Shasta maidenhair fern	Pteridaceae	perennial herb	Apr-Aug	None	None	G3	S3	4.3			Lower montane coniferous forest	Carbonate (sometimes)	330	1535	1085	5035	Yes	2016-11-18	©2015 Julie Kierstead
Eriodictyon sessilifolium	sessile-leaved yerba santa	Namaceae	perennial shrub	Jul	None	None	G4	S1	2B.1	SB_CalBG/RSABG	Road/trail construction/maint.	Coastal scrub	Volcanic	170	170	560	560		2017-01-18	No Photo Available
Allium howellii var. sanbenitense	San Benito onion	Alliaceae	perennial bulbiferous herb	Apr-May	None	None	G3G4T3	S3	1B.3	BLM_S; SB_SBBG	Grazing, ORV activity	Chaparral (openings), Valley and foothill grassland	Clay, Slopes (often)	390	1365	1280	4480	Yes	2017-04-04	© 2020 Ryan O'Dell
Erythranthe percaulis	Serpentine Canyon monkeyflower	Phrymaceae	annual herb	(Mar)May(Jun)	None	None	G1	S1	1B.1	SB_UCSC	Road/trail construction/maint.	Chaparral, Lower montane coniferous forest (openings)	Roadsides, Rocky, Seeps, Serpentine, Slopes	780	855	2560	2805	Yes	2017-04-25	© 2019 Belinda Lo
Silene scouleri ssp. scouleri	Scouler's catchfly	Caryophyllaceae	perennial herb	(Mar-May)Jun-Aug(Sep)	None	None	G5T4T5	S2S3	2B.2		Grazing, Non-native plant impacts, Other, Road/trail construction/maint.	Coastal bluff scrub, Coastal prairie, Valley and foothill grassland		0	600	0	1970		2017-12-13	©2015 Vernon Smith
Doellingeria glabrata	Siskiyou aster	Asteraceae	perennial herb	Jun-Sep	None	None	G4	S3	4.3			Lower montane coniferous forest, Upper montane coniferous forest	Openings, Rocky	120	2705	395	8875		2018-08-28	©2018 Dana York
Claytonia peirsonii ssp. bernardinus	San Bernardino spring beauty	Montiaceae	perennial herb	Mar-Apr	None	None	G2G3T1	S1	1B.1	SB_CalBG/RSABG		Pinyon and juniper woodland, Upper montane coniferous forest	Carbonate, Openings (usually), Rocky, Talus	2360	2465	7745	8090	Yes	2019-10-30	No Photo Available
Ceanothus thyrsiflorus var. obispoensis	San Luis Obispo ceanothus	Rhamnaceae	perennial shrub	Jun	None	None	G5T1	S1	1B.1	SB_UCSC		Chaparral, Cismontane woodland		140	225	460	740	Yes	2019-01-30	No Photo Available
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
Claytonia serpenticola	serpentine spring beauty	Montiaceae	perennial herb	Apr-Jun(Jul)	None	None	G3	S3	4.3			Subalpine coniferous forest, Upper montane coniferous forest	Openings (usually), Rocky, Serpentine (usually)	1000	2450	3280	8040		2019-12-31	©2020 Matt C. Berger
Sedum sanhedrinum	Sanhedrin Mountain stonecrop	Crassulaceae	perennial herb	May-Jul	None	None	G2G3	S2S3	1B.2			Chaparral, Lower montane coniferous forest, Upper montane coniferous forest	Gabbroic, Metamorphic, Openings, Rock crevices, Rocky, Serpentine, Talus	1415	2285	4645	7495		2021-05-14	© 2014 Carex Working Group
Sedum patens	Smith River stonecrop	Crassulaceae	perennial herb	May-Jul	None	None	G2	S2	1B.2			Lower montane coniferous forest	Openings, Rock crevices, Rocky, Talus	90	210	295	690		2021-05-14	No Photo Available
Myrica hartwegii	Sierra sweet bay	Myricaceae	perennial deciduous shrub	May-Jun	None	None	G4	S4	4.3			Cismontane woodland, Lower montane coniferous forest, Riparian forest		150	1750	490	5740	Yes	1974-01-01	No Photo Available
Monardella linoides ssp. anemonoides	southern Sierra monardella	Lamiaceae	perennial herb	Jun-Aug	None	None	G5T2	S2	1B.3			Chaparral, Cismontane woodland, Lower montane coniferous forest		670	2450	2200	8040	Yes	2021-05-28	No Photo Available
Monardella australis ssp. occidentalis	southwestern mountain monardella	Lamiaceae	perennial herb	Jun-Jul	None	None	G4T1	S1	1B.1	SB_SBBG	Wood cutting or brush clearing	Chaparral (montane), Upper montane coniferous forest	Clay, Loam, Rocky, Scree	1890	2435	6200	7990		2021-02-03	No Photo Available
Zeltnera namophila	spring-loving centaury	Gentianaceae	annual herb	Jul-Sep	FT	None	G2	S1	1B.1	SB_CalBG/RSABG	Altered flood/tidal/hydrologic regime, Development, Foot traffic/trampling, Groundwater pumping, ORV activity	Meadows and seeps (alkaline)		400	640	1310	2100		2022-02-25	No Photo Available
Monardella australis ssp. gabrielensis	San Gabriel Mountains monardella	Lamiaceae	shrub	Jul-Sep	None	None	G4T2	S2	1B.2			Broadleafed upland forest, Chaparral (montane), Lower montane coniferous forest	Granitic, Openings	1600	2200	5250	7220		2022-05-23	No Photo Available
Erythranthe angulosa	sweet-stem monkeyflower	Phrymaceae	annual herb	Jun-Jul	None	None	G1Q	S1	3			Great Basin scrub	Granitic, Rocky	2920	2920	9580	9580		2022-06-21	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
Monardella breweri ssp. microcephala	small-headed monardella	Lamiaceae	annual herb	May-Aug	None	None	G5T3	S2	2B.2			Chaparral, Cismontane woodland, Lower montane coniferous forest	Disturbed areas (sometimes), Granitic, Openings	230	1200	755	3935		2022-07-22	No Photo Available
Scytinium siskiyouense	Siskiyou jellyskin lichen	Collemataceae	foliose lichen		None	None	G2G3	S1S2	1B.1		Improper burning regime	Lower montane coniferous forest, North Coast coniferous forest		635	1460	2085	4790		2022-10-13	No Photo Available
Scytinium teretiusculum	shrubby vinyl								CBR										2022-10-12	No Photo Available
Marsupella aquatica	stream ladderwort								CBR										2022-10-13	No Photo Available
Calycadenia spicata	spicate calycadenia	Asteraceae	annual herb	May-Sep	None	None	G3?	S3	1B.3			Cismontane woodland, Valley and foothill grassland	Adobe, Clay, Disturbed areas, Dry, Gravelly, Openings, Roadsides, Rocky	40	1400	130	4595		2023-04-05	© 2023 Christopher Bronny
Keckiella rothrockii var. jacintensis	San Jacinto Mountains keckiella	Plantaginaceae	perennial shrub	(Jun)Jul-Aug(Sep)	None	None	G4T2T3	S2S3	1B.3			Upper montane coniferous forest	Granitic	2225	2995	7300	9825		2023-11-20	© 2013 Keir Morse
Aphyllon epigalium ssp. notocalifornicum	Southern California galium broomrape	Orobanchaceae	annual/perennial herb (parasitic)	Jun(Jul)	None	None	G4T2	S2	1B.3			Cismontane woodland, Lower montane coniferous forest, Riparian forest		1200	1535	3935	5035		2023-08-09	No Photo Available
Phacelia saxicola	stonecrop phacelia	Hydrophyllaceae	annual herb	Apr-Jun(Jul)	None	None			2B.3			Great Basin scrub	Gravelly, Rocky, Volcanic	1270	1890	4165	6200		2024-03-07	© 2019 Aaron Schusteff