CNPS Rare Plant Inventory

3947 matches found. Click on scientific name for details

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Scientific Name	Common Name	Family	Lifeform	Blooming Period	Fed List	State List	Global Rank	State Rank	CA Rare Plant Rank	General Habitats	Micro Habitats	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	Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools	Alkaline (sometimes), Clay (sometimes), Disturbed areas (often), Sandy (sometimes)	20	415	65	1360		1974-01-01	© 2010 Benjamin Smith
Spermolepis gigantea	desert scaleseed	Apiaceae	annual herb	Mar-Apr	None	None	G2G3	SH	2B.1	Sonoran desert scrub		400	400	1310	1310		1988-01-01	No Photo Available
Amsinckia furcata	forked fiddleneck	Boraginaceae	annual herb	Feb-May	None	None	G4	S4	4.2	Cismontane woodland, Valley and foothill grassland		50	1000	165	3280	Yes	1974-01-01	© 2017 Keir Morse
Amsinckia grandiflora	large-flowered fiddleneck	Boraginaceae	annual herb	(Mar)Apr-May	FE	CE	G1	S1	1B.1	Cismontane woodland, Valley and foothill grassland		270	550	885	1805	Yes	1974-01-01	© 2015 Zoya Akulova
Amsinckia lunaris	bent-flowered fiddleneck	Boraginaceae	annual herb	Mar-Jun	None	None	G3	S3	1B.2	Cismontane woodland, Coastal bluff scrub, Valley and foothill grassland		3	500	10	1640	Yes	1974-01-01	© 2011 Neal Kramer
Androsace filiformis	slender-stemmed androsace	Primulaceae	annual herb	Jun-Oct	None	None	G4	S1	2B.3	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	G4	S2?	2B.2	Desert dunes, Mojavean desert scrub		220	800	720	2625		1974-01-01	© 2005 James M. Andre
Saltugilia latimeri	Latimer's woodland-gilia	Polemoniaceae	annual herb	Mar-Jun	None	None	G3	S3	1B.2	Chaparral, Mojavean desert scrub, Pinyon and juniper woodland	Granitic (often), Rocky (sometimes), Sandy (sometimes), Washes (sometimes)	400	1900	1310	6235	Yes	2004-01-01	No Photo Available
Sisyrinchium hitchcockii	Hitchcock's blue-eyed grass	Iridaceae	perennial rhizomatous herb	Jun	None	None	G1G2	S1	1B.1	Cismontane woodland, Valley and foothill grassland		305	305	1000	1000		2004-01-01	©2009 Dana York
Prunus eremophila	Mojave Desert plum	Rosaceae	perennial deciduous shrub	Mar-Apr	None	None	G2	S2	1B.2	Mojavean desert scrub	Granitic (sometimes), Washes (usually)	975	1175	3200	3855	Yes	2004-01-01	No Photo Available
Monardella stoneana	Jennifer's monardella	Lamiaceae	perennial herb	Jun-Sep	None	None	G2	S1	1B.2	Chaparral, Closed-cone coniferous forest, Coastal scrub, Riparian scrub	Rocky (usually), Streambanks (often)	10	790	35	2590		2004-01-01	© 2010 Anna Bennett
Antennaria lanata									CBR								2004-01-01	No Photo Available
Eriogonum spectabile	Barron's buckwheat	Polygonaceae	perennial evergreen shrub	Jul-Sep	None	None	G1	S1	1B.1	Upper montane coniferous forest	Rocky (sometimes), Sandy (sometimes)	2010	2050	6595	6725	Yes	2004-01-01	No Photo Available
Eriogonum ovalifolium var. monarchense	Monarch buckwheat	Polygonaceae	perennial herb	Jun-Aug	None	None	G5T1	S1	1B.1	Mojavean desert scrub, Pinyon and juniper woodland	Carbonate, Rocky (sometimes), Sandy (sometimes)	1800	1815	5905	5955	Yes	2004-01-01	No Photo Available
Sarcocornia utahensis									CBR								2004-01-01	No Photo Available
Taraxacum ceratophorum	horned dandelion	Asteraceae	annual herb	Jun-Jul(Aug)	None	None	G5	S1	2B.1	Alpine boulder and rock field, Meadows and seeps, Valley and foothill grassland	Carbonate (sometimes)	2895	3610	9500	11845		2004-01-01	No Photo Available
Pseudostellaria sierrae	Sierra starwort	Caryophyllaceae	perennial rhizomatous herb	May-Aug	None	None	G3G4	S3	4.2	Chaparral, Cismontane woodland, Lower montane coniferous forest, Upper montane coniferous forest		1225	2194	4020	7200	Yes	2004-01-01	No Photo Available
Centromadia parryi ssp. parryi	pappose tarplant	Asteraceae	annual herb	May-Nov	None	None	G3T2	S2	1B.2	Chaparral, Coastal prairie, Marshes and swamps, Meadows and seeps, Valley and foothill grassland	Alkaline (often)	0	420	0	1380	Yes	2004-01-01	No Photo Available
Eleocharis torticulmis	California twisted spikerush	Cyperaceae	perennial rhizomatous herb	Jun-Jul	None	None	G1	S1	1B.3	Bogs and fens, Lower montane coniferous forest, Meadows and seeps		1005	1175	3295	3855	Yes	2004-01-01	No Photo Available
Fritillaria gentneri	Gentner's fritillary	Liliaceae	perennial bulbiferous herb	Apr-May	FE	None	G1	S1	1B.1	Chaparral, Cismontane woodland, Lower montane coniferous forest	Serpentinite (sometimes)	1005	2970	3295	9745		2004-01-01	© 2013 Scot Loring
Arctostaphylos catalinae	Santa Catalina Island manzanita	Ericaceae	perennial evergreen shrub	(Feb)Mar-Apr(May)	None	None	G2?	S2?	1B.2	Chaparral		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	Broadleafed upland forest, Chaparral, Closed-cone coniferous forest	Rocky, Sandstone	40	500	130	1640	Yes	1974-01-01	© 2006 Steve Matson
Arctostaphylos cruzensis	Arroyo de la Cruz manzanita	Ericaceae	perennial evergreen shrub	Dec-Mar	None	None	G1G2	S1S2	1B.2	Broadleafed upland forest, Chaparral, Closed-cone coniferous forest, Coastal bluff scrub, Coastal scrub, Valley and foothill grassland	Sandy	60	310	195	1015	Yes	1974-01-01	© 2006 Steve Matson
Arctostaphylos densiflora	Vine Hill manzanita	Ericaceae	perennial evergreen shrub	Feb-Apr	None	CE	G1	S1	1B.1	Chaparral		50	120	165	395	Yes	1974-01-01	© 2006 Steve Matson
Arctostaphylos edmundsii	Little Sur manzanita	Ericaceae	perennial evergreen shrub	(May)Nov-Apr	None	None	G2	S2	1B.2	Chaparral, Coastal bluff scrub	Sandy	10	105	35	345	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	Chaparral, Closed-cone coniferous forest		170	685	560	2245	Yes	1974-01-01	© 2011 Neal Kramer
Arctostaphylos morroensis	Morro manzanita	Ericaceae	perennial evergreen shrub	Dec-Mar	FT	None	G1	S1	1B.1	Chaparral, Cismontane woodland, Coastal dunes, Coastal scrub		5	205	15	675	Yes	1974-01-01	© 2012 Jean Pawek
Arctostaphylos myrtifolia	Ione manzanita	Ericaceae	perennial evergreen shrub	Nov-Mar	FT	None	G1	S1	1B.2	Chaparral, Cismontane woodland	Acidic, Clay (sometimes), Sandy (sometimes)	60	580	195	1905	Yes	1974-01-01	© 2006 Steve Matson
Arctostaphylos nissenana	Nissenan manzanita	Ericaceae	perennial evergreen shrub	Feb-Mar	None	None	G1	S1	1B.2	Chaparral, Closed-cone coniferous forest	Rocky	450	1100	1475	3610	Yes	1974-01-01	No Photo Available
Arctostaphylos obispoensis	Bishop manzanita	Ericaceae	perennial evergreen shrub	Feb-Jun	None	None	G3	S3	4.3	Chaparral, Cismontane woodland, Closed-cone coniferous forest	Rocky, Serpentinite	150	1005	490	3295	Yes	1974-01-01	No Photo Available
Arctostaphylos otayensis	Otay manzanita	Ericaceae	perennial evergreen shrub	Jan-Apr	None	None	G1	S1	1B.2	Chaparral, Cismontane woodland		275	1700	900	5580	Yes	1974-01-01	No Photo Available
Arctostaphylos pajaroensis	Pajaro manzanita	Ericaceae	perennial evergreen shrub	Dec-Mar	None	None	G1	S1	1B.1	Chaparral		30	760	100	2495	Yes	1974-01-01	No Photo Available
Arctostaphylos pallida	pallid manzanita	Ericaceae	perennial evergreen shrub	Dec-Mar	FT	CE	G1	S1	1B.1	Broadleafed upland forest, Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub	Gravelly (sometimes), Sandy (sometimes)	185	465	605	1525	Yes	1974-01-01	No Photo Available
Arctostaphylos pechoensis	Pecho manzanita	Ericaceae	perennial evergreen shrub	Nov-Mar	None	None	G2	S2	1B.2	Chaparral, Closed-cone coniferous forest, Coastal scrub		125	850	410	2790	Yes	1974-01-01	No Photo Available
Arctostaphylos peninsularis ssp. peninsularis									CBR									No Photo Available
Arctostaphylos pilosula	Santa Margarita manzanita	Ericaceae	perennial evergreen shrub	Dec-May	None	None	G2?	S2?	1B.2	Broadleafed upland forest, Chaparral, Cismontane woodland, Closed-cone coniferous forest	Sandstone (sometimes)	75	1100	245	3610	Yes	1974-01-01	No Photo Available
Arctostaphylos wellsii	Synonym								CBR			0		0			1980-01-01	No Photo Available
Arctostaphylos pumila	sandmat manzanita	Ericaceae	perennial evergreen shrub	Feb-May	None	None	G1	S1	1B.2	Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal dunes, Coastal scrub	Openings, Sandy	3	205	10	675	Yes	1974-01-01	No Photo Available
Arctostaphylos manzanita ssp. laevigata	Contra Costa manzanita	Ericaceae	perennial evergreen shrub	Jan-Mar(Apr)	None	None	G5T2	S2	1B.2	Chaparral		430	1100	1410	3610	Yes	1984-01-01	© 2019 Susan McDougall
Arctostaphylos purissima	La Purisima manzanita	Ericaceae	perennial evergreen shrub	Nov-May	None	None	G2	S2	1B.1	Chaparral, Coastal scrub		60	390	195	1280	Yes	1988-01-01	No Photo Available
Arctostaphylos refugioensis	Refugio manzanita	Ericaceae	perennial evergreen shrub	(May)Dec-Mar	None	None	G3	S3	1B.2	Chaparral		274	820	900	2690	Yes	1974-01-01	No Photo Available
Arctostaphylos rudis	sand mesa manzanita	Ericaceae	perennial evergreen shrub	Nov-Feb	None	None	G2	S2	1B.2	Chaparral, Coastal scrub	Sandy	25	322	80	1055	Yes	1980-01-01	No Photo Available
Arctostaphylos silvicola	Bonny Doon manzanita	Ericaceae	perennial evergreen shrub	Jan-Mar	None	None	G1	S1	1B.2	Chaparral, Closed-cone coniferous forest, Lower montane coniferous forest		120	600	395	1970	Yes	1974-01-01	No Photo Available
Arctostaphylos stanfordiana ssp. raichei	Raiche's manzanita	Ericaceae	perennial evergreen shrub	Feb-Apr	None	None	G3T2	S2	1B.1	Chaparral, Lower montane coniferous forest	Rocky, Serpentinite (often)	450	1035	1475	3395	Yes	1988-01-01	No Photo Available
Calochortus longebarbatus var. longebarbatus	long-haired star-tulip	Liliaceae	perennial bulbiferous herb	Jun-Aug(Sep)	None	None	G4T3	S3	1B.2	Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Vernal pools	Clay, Mesic	1005	1900	3295	6235		1974-01-01	©2020 John Doyen
Calochortus monanthus	single-flowered mariposa-lily	Liliaceae	perennial bulbiferous herb	Jun	None	None	GX	SX	1A	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	Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland	Serpentinite (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	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	Lower montane coniferous forest, North Coast coniferous forest	Acidic, Rocky	1000	1860	3280	6105		1974-01-01	©2014 Scot Loring
Calochortus pulchellus	Mt. Diablo fairy-lantern	Liliaceae	perennial bulbiferous herb	Apr-Jun	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland, Riparian woodland, Valley and foothill grassland		30	840	100	2755	Yes	1974-01-01	No Photo Available
Calochortus raichei	Cedars fairy-lantern	Liliaceae	perennial bulbiferous herb	May-Aug	None	None	G2	S2	1B.2	Chaparral, Closed-cone coniferous forest	Serpentinite	200	490	655	1610	Yes	1988-01-01	No Photo Available
Calochortus simulans	La Panza mariposa-lily	Liliaceae	perennial bulbiferous herb	Apr-Jun	None	None	G2	S2	1B.3	Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland	Granitic (often), Sandy, Serpentinite (sometimes)	325	1150	1065	3775	Yes	1980-01-01	No Photo Available
Calochortus striatus	alkali mariposa-lily	Liliaceae	perennial bulbiferous herb	Apr-Jun	None	None	G3?	S2S3	1B.2	Chaparral, Chenopod scrub, Meadows and seeps, Mojavean desert scrub	Alkaline, Mesic	70	1595	230	5235		1974-01-01	No Photo Available
Calochortus tiburonensis	Tiburon mariposa-lily	Liliaceae	perennial bulbiferous herb	Mar-Jun	FT	CT	G1	S1	1B.1	Valley and foothill grassland		50	150	165	490	Yes	1974-01-01	No Photo Available
Calochortus umbellatus	Oakland star-tulip	Liliaceae	perennial bulbiferous herb	Mar-May	None	None	G3?	S3?	4.2	Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland	Serpentinite (often)	100	700	330	2295	Yes	1980-01-01	No Photo Available
Calochortus westonii	Shirley Meadows star-tulip	Liliaceae	perennial bulbiferous herb	May-Jun	None	None	G3	S3	1B.2	Broadleafed upland forest, Lower montane coniferous forest, Meadows and seeps	Granitic	1500	2105	4920	6905	Yes	1974-01-01	No Photo Available
Calycadenia hooveri	Hoover's calycadenia	Asteraceae	annual herb	Jul-Sep	None	None	G2	S2	1B.3	Cismontane woodland, Valley and foothill grassland	Rocky	65	300	215	985	Yes	1980-01-01	No Photo Available
Calycadenia oppositifolia	Butte County calycadenia	Asteraceae	annual herb	Apr-Jul	None	None	G3	S3	4.2	Chaparral, Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, Valley and foothill grassland	Granitic (sometimes), Openings, Serpentinite (sometimes), Volcanic	90	945	295	3100	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	Chaparral, Cismontane woodland	Gravelly (sometimes), Openings, Sandy (sometimes)	305	1530	1000	5020	Yes	1984-01-01	No Photo Available
Calyptridium pulchellum	Mariposa pussypaws	Montiaceae	annual herb	Apr-Aug	FT	None	G1	S1	1B.1	Chaparral, Cismontane woodland	Granitic, Gravelly (sometimes), Sandy (sometimes)	400	1100	1310	3610	Yes	1980-01-01	No Photo Available
Calyptridium quadripetalum	four-petaled pussypaws	Montiaceae	annual herb	Apr-Jun	None	None	G4	S4	4.3	Chaparral, Lower montane coniferous forest	Gravelly (sometimes), Sandy (sometimes), Serpentinite (usually)	315	2040	1035	6695	Yes	1974-01-01	No Photo Available
Calystegia atriplicifolia ssp. buttensis	Butte County morning-glory	Convolvulaceae	perennial rhizomatous herb	May-Jul	None	None	G5T3	S3	4.2	Chaparral, Lower montane coniferous forest, Valley and foothill grassland	Roadsides (sometimes), Rocky	565	1524	1855	5000	Yes	1984-01-01	©2018 Sierra Pacific Industries
Calystegia collina ssp. oxyphylla	Mt. Saint Helena morning-glory	Convolvulaceae	perennial rhizomatous herb	Apr-Jun	None	None	G4T3	S3	4.2	Chaparral, Lower montane coniferous forest, Valley and foothill grassland	Serpentinite	279	1010	915	3315	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	Serpentinite (sometimes)	270	1490	885	4890	Yes	1984-01-01	No Photo Available
Abies amabilis	Pacific silver fir	Pinaceae	perennial evergreen tree		None	None	G5?	S2	2B.3	Upper montane coniferous forest		1700	2195	5580	7200		1974-01-01	© 2021 Scot Loring
Abies bracteata	bristlecone fir	Pinaceae	perennial evergreen tree		None	None	G2G3	S2S3	1B.3	Broadleafed upland forest, Chaparral, Lower montane coniferous forest, Riparian woodland	Rocky	183	1555	600	5100	Yes	1974-01-01	© 2019 Zoya Akulova
Abies lasiocarpa var. lasiocarpa	subalpine fir	Pinaceae	perennial evergreen tree		None	None	G5T5	S3	2B.3	Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest		945	2225	3100	7300		1974-01-01	©2021 Scot Loring
Abronia alpina	Ramshaw Meadows abronia	Nyctaginaceae	perennial herb	Jul-Aug	None	None	G2	S2	1B.1	Meadows and seeps	Granitic, Gravelly, Sandy	2400	2700	7875	8860	Yes	1974-01-01	© 2004 James M. Andre
Abronia umbellata var. breviflora	pink sand-verbena	Nyctaginaceae	annual herb	Jun-Oct	None	None	G4G5T2	S2	1B.1	Coastal dunes		0	10	0	35		1988-01-01	©2021 Scot Loring
Acanthomintha ilicifolia	San Diego thorn-mint	Lamiaceae	annual herb	Apr-Jun	FT	CE	G1	S1	1B.1	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	Chaparral, 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	Chaparral, Valley and foothill grassland	Serpentinite	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, Serpentinite	395	1500	1295	4920	Yes	1974-01-01	© 2013 Chris Winchell
Adolphia californica	California adolphia	Rhamnaceae	perennial deciduous shrub	Dec-May	None	None	G3	S2	2B.1	Chaparral, Coastal scrub, Valley and foothill grassland	Clay	10	740	35	2430		1974-01-01	© 2007 Andrew Borcher
Agave shawii var. shawii	Shaw's agave	Agavaceae	perennial leaf	Sep-May	None	None	G2G3T2	S1	2B.1	Coastal bluff scrub, Coastal scrub		3	120	10	395		1974-01-01	©2017 Keir Morse
Agave utahensis var. nevadensis	Clark Mountain agave	Agavaceae	perennial leaf	May-Jul	None	None	G4T4?	S3	4.2	Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland	Carbonate (sometimes), Volcanic (sometimes)	900	1585	2955	5200		1980-01-01	© 2009 Zoya Akulova
Agrostis blasdalei	Blasdale's bent grass	Poaceae	perennial rhizomatous herb	May-Jul	None	None	G2	S2	1B.2	Coastal bluff scrub, Coastal dunes, Coastal prairie		0	150	0	490	Yes	1974-01-01	© 2001 Doreen L. Smith
Agrostis hendersonii	Henderson's bent grass	Poaceae	annual herb	Apr-Jun	None	None	G2Q	S2	3.2	Valley and foothill grassland, Vernal pools		70	305	230	1000		1974-01-01	©2005 Steve Matson
Agrostis hooveri	Hoover's bent grass	Poaceae	perennial herb	Apr-Jul	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland, Closed-cone coniferous forest, Valley and foothill grassland	Sandy (usually)	6	610	20	2000	Yes	1974-01-01	2017 Adonis (Don) Tate
Agrostis humilis	mountain bent grass	Poaceae	perennial herb	Jul-Sep	None	None	G4Q	S2	2B.3	Alpine boulder and rock field, Meadows and seeps, Subalpine coniferous forest	Carbonate (sometimes)	2670	3200	8760	10500		1980-01-01	© 2004 Steve Matson
Allium munzii	Munz's onion	Alliaceae	perennial bulbiferous herb	Mar-May	FE	CT	G1	S1	1B.1	Chaparral, Cismontane woodland, Coastal scrub, Pinyon and juniper woodland, Valley and foothill grassland	Clay, Mesic	297	1070	975	3510	Yes	1980-01-01	© 2003 Guy Bruyea
Allium fimbriatum var. purdyi	Purdy's onion	Alliaceae	perennial bulbiferous herb	Apr-Jun	None	None	G4G5T3	S3	4.3	Chaparral, Cismontane woodland	Clay, Serpentinite	300	600	985	1970	Yes	1980-01-01	© 2014 Steve Matson
Allium sharsmithiae	Sharsmith's onion	Alliaceae	perennial bulbiferous herb	Mar-May	None	None	G2	S2	1B.3	Chaparral, Cismontane woodland	Rocky, Serpentinite	400	1200	1310	3935	Yes	1980-01-01	© 2017 John Doyen
Allium hickmanii	Hickman's onion	Alliaceae	perennial bulbiferous herb	Mar-May	None	None	G2	S2	1B.2	Chaparral, Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland		5	200	15	655	Yes	1974-01-01	© 2017 Dylan Neubauer
Allium hoffmanii	Beegum onion	Alliaceae	perennial bulbiferous herb	Jun-Jul	None	None	G4	S4	4.3	Lower montane coniferous forest		1100	1800	3610	5905	Yes	1974-01-01	©2019 Steve Matson
Allium howellii var. clokeyi	Mt. Pinos onion	Alliaceae	perennial bulbiferous herb	Apr-Jun	None	None	G4T2	S2	1B.3	Great Basin scrub, Meadows and seeps, Pinyon and juniper woodland		1300	1850	4265	6070	Yes	1974-01-01	© 2016 Keir Morse
Allium parishii	Parish's onion	Alliaceae	perennial bulbiferous herb	Apr-May	None	None	G3	S3	4.3	Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland	Rocky	900	1735	2955	5695		1974-01-01	© 2010 Justin M. Wood
Allium tuolumnense	Rawhide Hill onion	Alliaceae	perennial bulbiferous herb	Mar-May	None	None	G2	S2	1B.2	Cismontane woodland		300	600	985	1970	Yes	1980-01-01	© 2010 Steven Perry
Allium shevockii	Spanish Needle onion	Alliaceae	perennial bulbiferous herb	May-Jun	None	None	G2	S2	1B.3	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	Lower montane coniferous forest, Upper montane coniferous forest	Rocky, Serpentinite (sometimes)	855	2500	2805	8205		1974-01-01	John Doyen 2019
Allium tribracteatum	three-bracted onion	Alliaceae	perennial bulbiferous herb	Apr-Aug	None	None	G2	S2	1B.2	Chaparral, Lower montane coniferous forest, Upper montane coniferous forest	Volcanic	1100	3000	3610	9845	Yes	1988-01-01	© 2018 Sierra Pacific Industries
Allium yosemitense	Yosemite onion	Alliaceae	perennial bulbiferous herb	Apr-Jul	None	CR	G3	S3	1B.3	Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest	Granitic (sometimes), Metamorphic (sometimes), Rocky	535	2200	1755	7220	Yes	1974-01-01	© 2012 Lynn Robertson
Alopecurus aequalis var. sonomensis	Sonoma alopecurus	Poaceae	perennial herb	May-Jul	FE	None	G5T1	S1	1B.1	Marshes and swamps, Riparian scrub		5	365	15	1200	Yes	1974-01-01	© 2010 Robert Steers
Ambrosia chenopodiifolia	San Diego bur-sage	Asteraceae	perennial shrub	Apr-Jun	None	None	G2G3	S1	2B.1	Coastal scrub		55	155	180	510		1974-01-01	© 2020 Keir Morse
Arctostaphylos hookeri ssp. hearstiorum	Hearsts' manzanita	Ericaceae	perennial evergreen shrub	Feb-Apr	None	CE	G3T2	S2	1B.2	Chaparral, Coastal prairie, Coastal scrub, Valley and foothill grassland	Sandy	55	200	180	655	Yes	1974-01-01	© 2006 Steve Matson
Arctostaphylos hookeri ssp. hookeri	Hooker's manzanita	Ericaceae	perennial evergreen shrub	Jan-Jun	None	None	G3T2	S2	1B.2	Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub	Sandy	60	536	195	1760	Yes	1984-01-01	© 2011 Chris Winchell
Arctostaphylos montana ssp. ravenii	Presidio manzanita	Ericaceae	perennial evergreen shrub	Feb-Mar	FE	CE	G3T1	S1	1B.1	Chaparral, Coastal prairie, Coastal scrub	Serpentinite	45	215	150	705	Yes	1980-01-01	© 2019 Susan McDougall
Arctostaphylos hooveri	Hoover's manzanita	Ericaceae	perennial evergreen shrub	Feb-Jun	None	None	G3	S3	4.3	Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest		480	1035	1575	3395	Yes	1974-01-01	© 2005 Dean Wm. Taylor
Arctostaphylos imbricata	San Bruno Mountain manzanita	Ericaceae	perennial evergreen shrub	Feb-May	None	CE	G1	S1	1B.1	Chaparral, Coastal scrub	Rocky	275	370	900	1215	Yes	1974-01-01	© 2013 Robert Sikora
Arctostaphylos klamathensis	Klamath manzanita	Ericaceae	perennial evergreen shrub	May-Aug	None	None	G2G3	S2	1B.2	Chaparral, Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest	Gabbroic (sometimes), Rocky, Serpentinite (sometimes)	1370	2250	4495	7380	Yes	1984-01-01	©2014 Dean Wm. Taylor
Arctostaphylos luciana	Santa Lucia manzanita	Ericaceae	perennial evergreen shrub	Dec-Mar	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland	Shale	350	850	1150	2790	Yes	1974-01-01	© 2011 David Graber
Arctostaphylos montana ssp. montana	Mt. Tamalpais manzanita	Ericaceae	perennial evergreen shrub	Feb-Apr	None	None	G3T3	S3	1B.3	Chaparral, Valley and foothill grassland	Rocky, Serpentinite	160	760	525	2495	Yes	1974-01-01	© 2018 John Doyen
Arctostaphylos montaraensis	Montara manzanita	Ericaceae	perennial evergreen shrub	Jan-Mar	None	None	G1	S1	1B.2	Chaparral, Coastal scrub		80	500	260	1640	Yes	1974-01-01	© 2016 Neal Kramer
Arctostaphylos montereyensis	Toro manzanita	Ericaceae	perennial evergreen shrub	Feb-Mar	None	None	G2?	S2?	1B.2	Chaparral, Cismontane woodland, Coastal scrub	Sandy	30	730	100	2395	Yes	1974-01-01	© 2018 Susan McDougall
Arctostaphylos stanfordiana ssp. decumbens	Rincon Ridge manzanita	Ericaceae	perennial evergreen shrub	Feb-Apr(May)	None	None	G3T1	S1	1B.1	Chaparral, Cismontane woodland		75	370	245	1215	Yes	1984-01-01	No Photo Available
Arctostaphylos crustacea ssp. eastwoodiana	Eastwood's brittle-leaf manzanita	Ericaceae	perennial evergreen shrub	Mar	None	None	G4T2	S2	1B.1	Chaparral		90	365	295	1200	Yes	1988-01-01	© 2006 Adonis (Don) Tate
Arctostaphylos crustacea ssp. insulicola	island manzanita	Ericaceae	perennial evergreen shrub	Jun-Mar	None	None	G4T3	S3	4.2	Chaparral, Closed-cone coniferous forest	Rocky	90	520	295	1705	Yes	1974-01-01	© 2019 Zoya Akulova
Arctostaphylos crustacea ssp. subcordata	Santa Cruz Island manzanita	Ericaceae	perennial evergreen shrub	Jan-Apr	None	None	G4T3	S3	4.2	Chaparral, Closed-cone coniferous forest	Rocky	100	730	330	2395	Yes	1974-01-01	© 2018 Susan McDougall
Arctostaphylos mewukka ssp. truei	True's manzanita	Ericaceae	perennial evergreen shrub	Feb-Jul	None	None	G4?T3	S3	4.2	Chaparral, Lower montane coniferous forest	Roadsides (sometimes)	425	1390	1395	4560	Yes	1984-01-01	© 2008 George W. Hartwell
Arctostaphylos virgata	Marin manzanita	Ericaceae	perennial evergreen shrub	Jan-Mar	None	None	G2	S2	1B.2	Broadleafed upland forest, Chaparral, Closed-cone coniferous forest, North Coast coniferous forest	Granitic (sometimes), Sandstone (sometimes)	60	700	195	2295	Yes	1974-01-01	No Photo Available
Arctostaphylos viridissima	white-haired manzanita	Ericaceae	perennial evergreen shrub	May-Mar	None	None	G4	S4	4.2	Chaparral, Closed-cone coniferous forest	Rocky, Shale (usually)	100	500	330	1640	Yes	1980-01-01	No Photo Available
Eremogone macradenia var. arcuifolia									CBR									No Photo Available
Calochortus clavatus var. avius	Pleasant Valley mariposa-lily	Liliaceae	perennial bulbiferous herb	May-Jul	None	None	G4T2	S2	1B.2	Lower montane coniferous forest		305	1800	1000	5905	Yes	1980-01-01	No Photo Available
Calochortus clavatus var. clavatus	club-haired mariposa lily	Liliaceae	perennial bulbiferous herb	(Mar)May-Jun	None	None	G4T3	S3	4.3	Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland	Clay, Rocky, Serpentinite (usually)	30	1300	100	4265	Yes	1974-01-01	No Photo Available
Calochortus dunnii	Dunn's mariposa-lily	Liliaceae	perennial bulbiferous herb	(Feb)Apr-Jun	None	CR	G2G3	S2S3	1B.2	Chaparral, Closed-cone coniferous forest, Valley and foothill grassland	Gabbroic (sometimes), Rocky	185	1830	605	6005		1974-01-01	No Photo Available
Calochortus excavatus	Inyo County star-tulip	Liliaceae	perennial bulbiferous herb	Apr-Jul	None	None	G2	S2	1B.1	Chenopod scrub, Meadows and seeps	Alkaline, Mesic	1150	2000	3775	6560	Yes	1974-01-01	No Photo Available
Calochortus greenei	Greene's mariposa-lily	Liliaceae	perennial bulbiferous herb	Jun-Aug	None	None	G3	S2S3	1B.2	Cismontane woodland, Meadows and seeps, Pinyon and juniper woodland, Upper montane coniferous forest	Volcanic	1035	1890	3395	6200		1974-01-01	© 2013 Scot Loring
Calystegia macrostegia ssp. amplissima	island morning-glory	Convolvulaceae	perennial herb	Feb-Jul	None	None	G4G5T4	S4	4.3	Coastal bluff scrub, Coastal dunes, Valley and foothill grassland	Rocky	10	275	35	900	Yes	1984-01-01	No Photo Available
Calystegia malacophylla var. berryi	Berry's morning-glory	Convolvulaceae	perennial rhizomatous herb	Jul-Aug	None	None	G4G5T2Q	S2	3.3	Chaparral, Lower montane coniferous forest		610	2440	2000	8005	Yes	1980-01-01	No Photo Available
Calystegia peirsonii	Peirson's morning-glory	Convolvulaceae	perennial rhizomatous herb	Apr-Jun	None	None	G4	S4	4.2	Chaparral, Chenopod scrub, Cismontane woodland, Coastal scrub, Lower montane coniferous forest, Valley and foothill grassland		30	1500	100	4920	Yes	1974-01-01	No Photo Available
Calystegia stebbinsii	Stebbins' morning-glory	Convolvulaceae	perennial rhizomatous herb	Apr-Jul	FE	CE	G1	S1	1B.1	Chaparral, Cismontane woodland	Gabbroic (sometimes), Seeps (sometimes)	185	1090	605	3575	Yes	1980-01-01	No Photo Available
Calystegia subacaulis ssp. episcopalis	Cambria morning-glory	Convolvulaceae	perennial rhizomatous herb	(Mar)Apr-Jun(Jul)	None	None	G3T2?	S2?	4.2	Chaparral, Cismontane woodland, Coastal prairie, Valley and foothill grassland	Clay (usually)	30	500	100	1640	Yes	1988-01-01	No Photo Available
Camissonia benitensis	San Benito evening-primrose	Onagraceae	annual herb	Apr-Jun	FD	None	G2	S2	1B.1	Chaparral, Cismontane woodland, Valley and foothill grassland	Carbonate (sometimes), Gravelly (sometimes), Serpentinite	600	1280	1970	4200	Yes	1974-01-01	No Photo Available
Eremothera boothii ssp. alyssoides	Pine Creek evening-primrose	Onagraceae	annual herb	Apr-Aug	None	None	G5T4	S4	4.3	Great Basin scrub	Gravelly, Sandy	600	1700	1970	5580		1980-01-01	No Photo Available
Collomia larsenii	talus collomia	Polemoniaceae	perennial rhizomatous herb	Jul-Sep(Oct)	None	None	G4	S2	2B.2	Alpine boulder and rock field, Closed-cone coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest	Talus, Volcanic	2210	3500	7250	11485		1980-01-01	© 2009 Leigh Johnson
Collomia diversifolia	serpentine collomia	Polemoniaceae	annual herb	May-Jun	None	None	G4	S4	4.3	Chaparral, Cismontane woodland	Gravelly (sometimes), Rocky (sometimes), Serpentinite (sometimes)	200	600	655	1970	Yes	1974-01-01	©2019 Zoya Akulova
Collomia rawsoniana	Rawson's flaming trumpet	Polemoniaceae	perennial rhizomatous herb	Jul-Aug	None	None	G2	S2	1B.2	Lower montane coniferous forest, Meadows and seeps, Riparian forest	Mesic	780	2200	2560	7220	Yes	1974-01-01	No Photo Available
Collomia tracyi	Tracy's collomia	Polemoniaceae	annual herb	Jun-Jul	None	None	G4	S4	4.3	Broadleafed upland forest, Lower montane coniferous forest	Rocky, Serpentinite (sometimes)	300	2100	985	6890	Yes	1974-01-01	©2018 Julie Kierstead Nelson
Colubrina californica	Las Animas colubrina	Rhamnaceae	perennial deciduous shrub	Apr-Jun	None	None	G4	S2S3	2B.3	Mojavean desert scrub, Sonoran desert scrub		10	1000	35	3280		1980-01-01	No Photo Available
Comarostaphylis diversifolia ssp. diversifolia	summer holly	Ericaceae	perennial evergreen shrub	Apr-Jun	None	None	G3T2	S2	1B.2	Chaparral, Cismontane woodland		30	790	100	2590		1980-01-01	No Photo Available
Cordylanthus capitatus	Yakima bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	Jul-Sep	None	None	G4	S2	2B.2	Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland		1800	2377	5905	7800		1974-01-01	No Photo Available
Angelica callii	Call's angelica	Apiaceae	perennial herb	Jun-Jul	None	None	G3	S3	4.3	Cismontane woodland, Lower montane coniferous forest	Mesic	1100	2000	3610	6560	Yes	1974-01-01	No Photo Available
Antennaria flagellaris	stoloniferous pussy-toes	Asteraceae	perennial stoloniferous herb	(Apr)May-Aug	None	None	G4	S3	4.2	Great Basin scrub		1450	2220	4755	7285		1984-01-01	© 2011 Matt Below
Antennaria suffrutescens	evergreen everlasting	Asteraceae	perennial stoloniferous herb	Jan-Jul	None	None	G4	S3	4.3	Lower montane coniferous forest		500	1600	1640	5250		1974-01-01	©1995 Saint Mary's College of California
Pseudorontium cyathiferum	Deep Canyon snapdragon	Plantaginaceae	annual herb	Feb-Apr	None	None	G4G5	S1	2B.3	Sonoran desert scrub		0	800	0	2625		1980-01-01	No Photo Available
Antirrhinum ovatum	oval-leaved snapdragon	Plantaginaceae	annual herb	May-Nov	None	None	G3	S3	4.2	Chaparral, Cismontane woodland, Pinyon and juniper woodland, Valley and foothill grassland	Alkaline (often), Clay (sometimes)	200	1000	655	3280	Yes	1974-01-01	© 2013 Chris Winchell
Antirrhinum subcordatum	dimorphic snapdragon	Plantaginaceae	annual herb	Apr-Jul	None	None	G3	S3	4.3	Chaparral, Lower montane coniferous forest	Serpentinite (sometimes)	185	800	605	2625	Yes	1974-01-01	© 2015 Dean Wm. Taylor
Antirrhinum virga	twig-like snapdragon	Plantaginaceae	perennial herb	Jun-Jul	None	None	G3?	S3?	4.3	Chaparral, Lower montane coniferous forest	Openings, Rocky, Serpentinite (often)	100	2015	330	6610	Yes	1974-01-01	© 2013 Aaron Schusteff
Dudleya abramsii ssp. affinis	San Bernardino Mountains dudleya	Crassulaceae	perennial herb	Apr-Jul	None	None	G4T2	S2	1B.2	Pebble (Pavement) plain, Pinyon and juniper woodland, Upper montane coniferous forest	Carbonate (sometimes), Granitic (sometimes)	1250	2600	4100	8530	Yes	1988-01-01	No Photo Available
Dudleya abramsii ssp. murina	mouse-gray dudleya	Crassulaceae	perennial leaf	May-Jun	None	None	G4T2	S2	1B.3	Chaparral, Cismontane woodland, Valley and foothill grassland	Serpentinite	90	525	295	1725	Yes	1980-01-01	No Photo Available
Dudleya alainae	Banner dudleya	Crassulaceae	perennial herb	Apr-Jul	None	None	G2Q	S2	3.2	Chaparral, Lower montane coniferous forest, Sonoran desert scrub	Rocky	740	1200	2430	3935	Yes	1988-01-01	No Photo Available
Dudleya attenuata ssp. attenuata	Orcutt's dudleya	Crassulaceae	perennial herb	May-Jul	None	None	G4T1T2	S1	2B.1	Chaparral, Coastal bluff scrub, Coastal scrub	Gravelly (sometimes), Rocky (sometimes)	3	50	10	165		1974-01-01	No Photo Available
Dudleya abramsii ssp. bettinae	Betty's dudleya	Crassulaceae	perennial herb	May-Jul	None	None	G4T2	S2	1B.2	Chaparral, Coastal scrub, Valley and foothill grassland	Rocky, Serpentinite	20	180	65	590	Yes	1980-01-01	No Photo Available
Centromadia parryi ssp. australis	southern tarplant	Asteraceae	annual herb	May-Nov	None	None	G3T2	S2	1B.1	Marshes and swamps, Valley and foothill grassland, Vernal pools		0	480	0	1575		1994-01-01	No Photo Available
Hemizonia congesta ssp. calyculata	Mendocino tarplant	Asteraceae	annual herb	Jul-Nov	None	None	G5T4	S4	4.3	Cismontane woodland, Valley and foothill grassland	Serpentinite (sometimes)	225	1400	740	4595	Yes	1974-01-01	© 2015 John Doyen
Deinandra clementina	island tarplant	Asteraceae	perennial deciduous shrub	(Apr)May-Jul	None	None	G4	S4	4.3	Coastal bluff scrub, Valley and foothill grassland		15	200	50	655	Yes	1980-01-01	No Photo Available
Hemizonia congesta ssp. congesta	congested-headed hayfield tarplant	Asteraceae	annual herb	Apr-Nov	None	None	G5T2	S2	1B.2	Valley and foothill grassland	Roadsides (sometimes)	20	560	65	1835	Yes	1988-01-01	© 2015 Vernon Smith
Deinandra conjugens	Otay tarplant	Asteraceae	annual herb	(Apr)May-Jun	FT	CE	G1	S1	1B.1	Coastal scrub, Valley and foothill grassland	Clay	25	300	80	985		1974-01-01	No Photo Available
Deinandra floribunda	Tecate tarplant	Asteraceae	annual herb	Aug-Oct	None	None	G2	S2	1B.2	Chaparral, Coastal scrub		70	1220	230	4005		1974-01-01	No Photo Available
Deinandra halliana	Hall's tarplant	Asteraceae	annual herb	(Mar)Apr-May	None	None	G3	S3	1B.1	Chenopod scrub, Cismontane woodland, Valley and foothill grassland	Alkaline (sometimes), Clay	260	950	855	3115	Yes	1974-01-01	No Photo Available
Arnica viscosa	Mt. Shasta arnica	Asteraceae	perennial rhizomatous herb	Aug-Sep	None	None	G4	S3	4.3	Subalpine coniferous forest, Upper montane coniferous forest	Rocky	1705	2745	5595	9005		1974-01-01	©2010 Keir Morse
Carex idahoa	Idaho sedge	Cyperaceae	perennial rhizomatous herb	Jul	None	None	G3	S1	2B.3	Meadows and seeps, Subalpine coniferous forest		2850	3200	9350	10500		1988-01-01	No Photo Available
Carex petasata	Liddon's sedge	Cyperaceae	perennial herb	May-Jul	None	None	G5	S3	2B.3	Broadleafed upland forest, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland		600	3320	1970	10895		1984-01-01	©2019 Sierra Pacific Industries
Carex praticola	northern meadow sedge	Cyperaceae	perennial herb	May-Jul	None	None	G5	S2	2B.2	Meadows and seeps		0	3200	0	10500		1984-01-01	©2013 Scot Loring
Carex sheldonii	Sheldon's sedge	Cyperaceae	perennial rhizomatous herb	May-Aug	None	None	G4	S2	2B.2	Lower montane coniferous forest, Marshes and swamps, Riparian scrub		1200	2012	3935	6600		1980-01-01	©2015 Steve Matson
Carex tompkinsii	Tompkins' sedge	Cyperaceae	perennial rhizomatous herb	May-Jul	None	CR	G3G4	S3S4	4.3	Chaparral, Cismontane woodland, Lower montane coniferous forest, Upper montane coniferous forest	Granitic (sometimes)	420	1830	1380	6005	Yes	1980-01-01	No Photo Available
Carpenteria californica	tree-anemone	Hydrangeaceae	perennial evergreen shrub	(Apr)May-Jul	None	CT	G1?	S1?	1B.2	Chaparral, Cismontane woodland	Granitic (usually)	340	1340	1115	4395	Yes	1974-01-01	No Photo Available
Clarkia borealis ssp. borealis	northern clarkia	Onagraceae	annual	Jun-Sep	None	None	G4T4	S4	4.3	Chaparral, Cismontane woodland, Lower montane coniferous forest	Roadsides (often)	400	1565	1310	5135	Yes	1980-01-01	©2018 Sierra Pacific Industries
Clarkia breweri	Brewer's clarkia	Onagraceae	annual herb	Apr-Jun	None	None	G4	S4	4.2	Chaparral, Cismontane woodland, Coastal scrub	Serpentinite (often)	215	1115	705	3660	Yes	1974-01-01	No Photo Available
Clarkia delicata	delicate clarkia	Onagraceae	annual herb	Apr-Jun	None	None	G3	S3	1B.2	Chaparral, Cismontane woodland	Gabbroic (often)	235	1000	770	3280		1974-01-01	No Photo Available
Clarkia exilis	slender clarkia	Onagraceae	annual herb	Apr-May	None	None	G3	S3	4.3	Cismontane woodland		120	1000	395	3280	Yes	1974-01-01	No Photo Available
Clarkia franciscana	Presidio clarkia	Onagraceae	annual herb	May-Jul	FE	CE	G1	S1	1B.1	Coastal scrub, Valley and foothill grassland		25	335	80	1100	Yes	1974-01-01	No Photo Available
Clarkia imbricata	Vine Hill clarkia	Onagraceae	annual herb	Jun-Aug	FE	CE	G1	S1	1B.1	Chaparral, Valley and foothill grassland	Acidic, Loam, Sandy	50	75	165	245	Yes	1974-01-01	No Photo Available
Clarkia jolonensis	Jolon clarkia	Onagraceae	annual herb	Apr-Jun	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland		20	660	65	2165	Yes	1980-01-01	No Photo Available
Clarkia lewisii	Lewis' clarkia	Onagraceae	annual herb	May-Jul	None	None	G4	S4	4.3	Broadleafed upland forest, Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub		30	1195	100	3920	Yes	1980-01-01	No Photo Available
Clarkia lingulata	Merced clarkia	Onagraceae	annual herb	May-Jun	None	CE	G1	S1	1B.1	Chaparral, Cismontane woodland		400	455	1310	1495	Yes	1974-01-01	No Photo Available
Clarkia mildrediae ssp. mildrediae	Mildred's clarkia	Onagraceae	annual herb	May-Aug	None	None	G3T2T3	S2S3	1B.3	Cismontane woodland, Lower montane coniferous forest	Granitic (usually), Sandy	245	1710	805	5610	Yes	1974-01-01	No Photo Available
Clarkia mosquinii	Mosquin's clarkia	Onagraceae	annual herb	May-Jul(Sep)	None	None	G2	S2	1B.1	Cismontane woodland, Lower montane coniferous forest	Roadsides, Rocky	185	1490	605	4890	Yes	1980-01-01	No Photo Available
Clarkia rostrata	beaked clarkia	Onagraceae	annual herb	Apr-May	None	None	G2G3	S2S3	1B.3	Cismontane woodland, Valley and foothill grassland		60	500	195	1640	Yes	1974-01-01	No Photo Available
Clarkia speciosa ssp. immaculata	Pismo clarkia	Onagraceae	annual herb	May-Jul	FE	CR	G4T1	S1	1B.1	Chaparral, Cismontane woodland, Valley and foothill grassland	Sandy	25	185	80	605	Yes	1980-01-01	No Photo Available
Clarkia springvillensis	Springville clarkia	Onagraceae	annual herb	(Mar)Apr-Jul	FT	CE	G2	S2	1B.2	Chaparral, Cismontane woodland, Valley and foothill grassland	Granitic	245	1220	805	4005	Yes	1980-01-01	No Photo Available
Clarkia tembloriensis ssp. calientensis	Vasek's clarkia	Onagraceae	annual herb	Apr	None	None	G3T1	S1	1B.1	Valley and foothill grassland		275	500	900	1640	Yes	1980-01-01	No Photo Available
Dudleya blochmaniae ssp. insularis	Santa Rosa Island dudleya	Crassulaceae	perennial herb	Mar-Apr	None	None	G3T1	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	Coastal dunes, Marshes and swamps		0	30	0	100		1974-01-01	No Photo Available
Chloropyron maritimum ssp. palustre	Point Reyes salty bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	Jun-Oct	None	None	G4?T2	S2	1B.2	Marshes and swamps		0	10	0	35		1974-01-01	©2017 John Doyen
Chloropyron molle ssp. hispidum	hispid salty bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	Jun-Sep	None	None	G2T1	S1	1B.1	Meadows and seeps, Playas, Valley and foothill grassland	Alkaline	1	155	5	510	Yes	1974-01-01	No Photo Available
Chloropyron molle ssp. molle	soft salty bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	Jun-Nov	FE	CR	G2T1	S1	1B.2	Marshes and swamps		0	3	0	10	Yes	1974-01-01	No Photo Available
Cordylanthus nidularius	Mt. Diablo bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	Jun-Aug	None	CR	G1	S1	1B.1	Chaparral		600	800	1970	2625	Yes	1974-01-01	No Photo Available
Dicranostegia orcuttiana	Orcutt's bird's-beak	Orobanchaceae	annual herb (hemiparasitic)	(Mar)Apr-Jul(Sep)	None	None	G2G3	S1	2B.1	Coastal scrub		10	350	35	1150		1974-01-01	No Photo Available
Aphanisma blitoides	aphanisma	Chenopodiaceae	annual herb	Feb-Jun	None	None	G3G4	S2	1B.2	Coastal bluff scrub, Coastal dunes, Coastal scrub	Gravelly (sometimes), Sandy (sometimes)	1	305	5	1000		1980-01-01	© 2010 Larry Sward
Arabis aculeolata	Waldo rockcress	Brassicaceae	perennial herb	Apr-Jun	None	None	G4	S2	2B.2	Broadleafed upland forest, Lower montane coniferous forest, Upper montane coniferous forest	Serpentinite	410	1800	1345	5905		1980-01-01	© 2020 John Doyen
Arabis blepharophylla	coast rockcress	Brassicaceae	perennial herb	Feb-May	None	None	G4	S4	4.3	Broadleafed upland forest, Coastal bluff scrub, Coastal prairie, Coastal scrub	Rocky	3	1100	10	3610	Yes	1974-01-01	© 2011 Neal Kramer
Boechera bodiensis	Bodie Hills rockcress	Brassicaceae	perennial herb	Jun-Jul(Aug)	None	None	G3	S3	1B.3	Alpine boulder and rock field, Great Basin scrub, Pinyon and juniper woodland, Subalpine coniferous forest		2085	3530	6840	11580		1984-01-01	No Photo Available
Boechera peirsonii	San Bernardino rockcress	Brassicaceae	perennial herb	Mar-Aug	None	None	G1	S1	1B.2	Subalpine coniferous forest		2700	3200	8860	10500	Yes	1980-01-01	No Photo Available
Boechera cobrensis	Masonic rockcress	Brassicaceae	perennial herb	Jun-Jul	None	None	G5	S3	2B.3	Great Basin scrub, Pinyon and juniper woodland	Sandy	1375	3105	4510	10190		1974-01-01	No Photo Available
Boechera constancei	Constance's rockcress	Brassicaceae	perennial herb	May-Jul	None	None	G2	S2	1B.1	Chaparral, Lower montane coniferous forest, Upper montane coniferous forest	Rocky, Serpentinite	975	2025	3200	6645	Yes	1974-01-01	No Photo Available
Arabis fernaldiana var. stylosa									CBR								1974-01-01	No Photo Available
Boechera hoffmannii	Hoffmann's rockcress	Brassicaceae	perennial herb	Feb-Apr	FE	None	G1G2	S1S2	1B.1	Chaparral, Coastal bluff scrub, Coastal scrub	Rocky, Sandy, Volcanic	60	395	195	1295	Yes	1974-01-01	No Photo Available
Boechera johnstonii	Johnston's rockcress	Brassicaceae	perennial herb	Feb-Jun	None	None	G1	S1	1B.2	Chaparral, Lower montane coniferous forest	Clay	1350	2150	4430	7055	Yes	1974-01-01	No Photo Available
Boechera koehleri	Koehler's stipitate rockcress	Brassicaceae	perennial herb	(Mar)Apr-Jul	None	None	G3G4	S3	1B.3	Chaparral, Lower montane coniferous forest	Rocky, Serpentinite	155	1660	510	5445		1988-01-01	©2019 Dana York
Arabis mcdonaldiana	McDonald's rockcress	Brassicaceae	perennial herb	May-Jul	FE	CE	G3	S3	1B.1	Lower montane coniferous forest, Upper montane coniferous forest	Serpentinite	135	1800	445	5905		1974-01-01	© 2003 Norman Jensen
Boechera microphylla	small-leaved rockcress	Brassicaceae	perennial herb	Jul	None	None	G4Q	S3	3	Pinyon and juniper woodland		1700	3265	5580	10710		1980-01-01	© 2016 John Doyen
Arabis modesta	modest rockcress	Brassicaceae	perennial herb	Mar-Jul	None	None	G3	S3	4.3	Chaparral, Lower montane coniferous forest		120	800	395	2625		1974-01-01	©2014 Scot Loring
Arabis oregana	Oregon rockcress	Brassicaceae	perennial herb	May	None	None	G3G4Q	S3	4.3	Chaparral, Lower montane coniferous forest	Serpentinite	600	1830	1970	6005		1974-01-01	©2021 Scot Loring
Boechera parishii	Parish's rockcress	Brassicaceae	perennial herb	Apr-May	None	None	G2	S2	1B.2	Pebble (Pavement) plain, Pinyon and juniper woodland, Upper montane coniferous forest	Carbonate (sometimes), Rocky	1770	2990	5805	9810	Yes	1974-01-01	No Photo Available
Boechera pinzliae	Pinzl's rockcress	Brassicaceae	perennial herb	Jul	None	None	G2	S1	1B.3	Alpine boulder and rock field, Subalpine coniferous forest		3000	3350	9845	10990		1988-01-01	No Photo Available
Boechera lincolnensis	Lincoln rockcress	Brassicaceae	perennial herb	Mar-May	None	None	G4G5	S3	2B.3	Chenopod scrub, Mojavean desert scrub	Carbonate	1100	2705	3610	8875		1984-01-01	No Photo Available
Boechera pygmaea	Tulare County rockcress	Brassicaceae	perennial herb	Jun-Jul	None	None	G3	S3	4.3	Meadows and seeps, Subalpine coniferous forest	Granitic (sometimes), Gravelly (sometimes), Sandy (sometimes), Volcanic (sometimes)	2315	3400	7595	11155	Yes	1974-01-01	No Photo Available
Arabis rigidissima var. rigidissima	Trinity Mountains rockcress	Brassicaceae	perennial herb	Jun-Aug	None	None	G3T3	S3	1B.3	Upper montane coniferous forest		1190	2200	3905	7220	Yes	1974-01-01	©2015 Dana York
Boechera shockleyi	Shockley's rockcress	Brassicaceae	perennial herb	May-Jun	None	None	G3	S2	2B.2	Pinyon and juniper woodland		875	2310	2870	7580		1974-01-01	No Photo Available
Boechera tiehmii	Tiehm's rockcress	Brassicaceae	perennial herb	Jul-Aug	None	None	G3	S3	1B.3	Alpine boulder and rock field		2970	3590	9745	11780		1988-01-01	No Photo Available
Arctomecon merriamii	white bear poppy	Papaveraceae	perennial herb	(Mar)Apr-May	None	None	G3	S3	2B.2	Chenopod scrub, Mojavean desert scrub	Rocky	490	1800	1610	5905		1980-01-01	© 2010 James M. Andre
Arctostaphylos auriculata	Mt. Diablo manzanita	Ericaceae	perennial evergreen shrub	Jan-Mar	None	None	G2	S2	1B.3	Chaparral, Cismontane woodland		135	650	445	2135	Yes	1974-01-01	© 2006 Steve Matson
Arctostaphylos bakeri ssp. bakeri	Baker's manzanita	Ericaceae	perennial evergreen shrub	Feb-Apr	None	CR	G2T1	S1	1B.1	Broadleafed upland forest, Chaparral	Serpentinite (often)	75	300	245	985	Yes	1974-01-01	© 2004 David Graber
Arctostaphylos canescens ssp. sonomensis									CBR								1988-01-01	No Photo Available
Atriplex coronata var. notatior	San Jacinto Valley crownscale	Chenopodiaceae	annual herb	Apr-Aug	FE	None	G4T1	S1	1B.1	Playas, Valley and foothill grassland, Vernal pools	Alkaline	139	500	455	1640	Yes	1988-01-01	© 2008 Larry Sward
Atriplex parishii	Parish's brittlescale	Chenopodiaceae	annual herb	Jun-Oct	None	None	G1G2	S1	1B.1	Chenopod scrub, Playas, Vernal pools	Alkaline	25	1900	80	6235		1988-01-01	No Photo Available
Extriplex joaquinana	San Joaquin spearscale	Chenopodiaceae	annual herb	Apr-Oct	None	None	G2	S2	1B.2	Chenopod scrub, Meadows and seeps, Playas, Valley and foothill grassland	Alkaline	1	835	5	2740	Yes	1988-01-01	No Photo Available
Atriplex tularensis	Bakersfield smallscale	Chenopodiaceae	annual herb	Jun-Oct	None	CE	GX	SX	1A	Chenopod scrub		90	200	295	655	Yes	1974-01-01	No Photo Available
Atriplex coronata var. vallicola	Lost Hills crownscale	Chenopodiaceae	annual herb	Apr-Sep	None	None	G4T3	S3	1B.2	Chenopod scrub, Valley and foothill grassland, Vernal pools	Alkaline	50	635	165	2085	Yes	1974-01-01	No Photo Available
Ayenia compacta	California ayenia	Malvaceae	perennial herb	Mar-Apr	None	None	G4	S3	2B.3	Mojavean desert scrub, Sonoran desert scrub	Rocky	150	1095	490	3595		1974-01-01	No Photo Available
Baccharis plummerae ssp. plummerae	Plummer's baccharis	Asteraceae	perennial deciduous shrub	May-Oct	None	None	G3T3	S3	4.3	Broadleafed upland forest, Chaparral, Cismontane woodland, Coastal scrub	Rocky	5	425	15	1395	Yes	1980-01-01	No Photo Available
Ceanothus maritimus	maritime ceanothus	Rhamnaceae	perennial evergreen shrub	Jan-Apr	None	CR	G2	S2	1B.2	Chaparral, Coastal bluff scrub, Valley and foothill grassland	Clay	10	150	35	490	Yes	1974-01-01	No Photo Available
Ceanothus masonii	Mason's ceanothus	Rhamnaceae	perennial evergreen shrub	Mar-Apr	None	CR	G1	S1	1B.2	Chaparral		230	500	755	1640	Yes	1974-01-01	No Photo Available
Ceanothus purpureus	holly-leaved ceanothus	Rhamnaceae	perennial evergreen shrub	Feb-Jun	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland	Rocky, Volcanic	120	640	395	2100	Yes	1974-01-01	© 2012 Jake Ruygt
Ceanothus rigidus	Monterey ceanothus	Rhamnaceae	perennial evergreen shrub	Feb-Apr(Jun)	None	None	G4	S4	4.2	Chaparral, Closed-cone coniferous forest, Coastal scrub	Sandy	3	550	10	1805	Yes	1974-01-01	No Photo Available
Ceanothus roderickii	Pine Hill ceanothus	Rhamnaceae	perennial evergreen shrub	Apr-Jun	FE	CR	G1	S1	1B.1	Chaparral, Cismontane woodland	Gabbroic (sometimes), Serpentinite (sometimes)	245	1090	805	3575	Yes	1974-01-01	No Photo Available
Ceanothus sonomensis	Sonoma ceanothus	Rhamnaceae	perennial evergreen shrub	Feb-Apr	None	None	G2	S2	1B.2	Chaparral		215	800	705	2625	Yes	1974-01-01	No Photo Available
Ceanothus verrucosus	wart-stemmed ceanothus	Rhamnaceae	perennial evergreen shrub	Dec-May	None	None	G2	S2?	2B.2	Chaparral		1	380	5	1245		1974-01-01	No Photo Available
Delphinium parryi ssp. blochmaniae	dune larkspur	Ranunculaceae	perennial herb	Apr-Jun	None	None	G4T2	S2	1B.2	Chaparral, Coastal dunes		0	200	0	655	Yes	1988-01-01	No Photo Available
Delphinium purpusii	rose-flowered larkspur	Ranunculaceae	perennial herb	(Mar)Apr-May	None	None	G3	S3	1B.3	Chaparral, Cismontane woodland, Pinyon and juniper woodland	Carbonate (often), Rocky	300	1340	985	4395	Yes	1980-01-01	No Photo Available
Delphinium recurvatum	recurved larkspur	Ranunculaceae	perennial herb	Mar-Jun	None	None	G2?	S2?	1B.2	Chenopod scrub, Cismontane woodland, Valley and foothill grassland	Alkaline	3	790	10	2590	Yes	1988-01-01	No Photo Available
Delphinium stachydeum	spiked larkspur	Ranunculaceae	perennial herb	Jun-Aug	None	None	G5?	S3	2B.3	Great Basin scrub, Upper montane coniferous forest	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	Chaparral, Valley and foothill grassland	Seeps, Serpentinite	340	610	1115	2000	Yes	1974-01-01	No Photo Available
Delphinium umbraculorum	umbrella larkspur	Ranunculaceae	perennial herb	Apr-Jun	None	None	G3	S3	1B.3	Chaparral, Cismontane woodland		400	1600	1310	5250	Yes	1974-01-01	No Photo Available
Delphinium variegatum ssp. thornei	Thorne's royal larkspur	Ranunculaceae	perennial herb	(Mar)Apr-May	None	None	G4T1	S1	1B.1	Cismontane woodland, Valley and foothill grassland		250	575	820	1885	Yes	1974-01-01	No Photo Available
Eriogonum ovalifolium var. vineum	Cushenbury buckwheat	Polygonaceae	perennial herb	May-Aug	FE	None	G5T1	S1	1B.1	Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland	Carbonate	1400	2440	4595	8005	Yes	1974-01-01	No Photo Available
Eriogonum pendulum	Waldo wild buckwheat	Polygonaceae	perennial herb	Aug-Sep	None	None	G4	S2S3	2B.2	Lower montane coniferous forest, Upper montane coniferous forest	Serpentinite	230	1000	755	3280		1974-01-01	© 2021 Scot Loring
Eriogonum polypodum	Tulare County buckwheat	Polygonaceae	perennial herb	Jul-Aug	None	None	G4	S4	4.3	Subalpine coniferous forest		2400	3500	7875	11485	Yes	1974-01-01	No Photo Available
Eriogonum prociduum	prostrate buckwheat	Polygonaceae	perennial herb	May-Aug	None	None	G3	S3	1B.2	Great Basin scrub, Pinyon and juniper woodland, Upper montane coniferous forest	Volcanic	1300	2705	4265	8875		1974-01-01	No Photo Available
Johanneshowellia puberula	downy buckwheat	Polygonaceae	annual herb	May-Sep	None	None	G4?	S1	2B.3	Pinyon and juniper woodland		1300	2900	4265	9515		1980-01-01	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		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		970	2740	3185	8990	Yes	1974-01-01	© 2017 Julie Kierstead
Harpagonella palmeri	Palmer's grapplinghook	Boraginaceae	annual herb	Mar-May	None	None	G4	S3	4.2	Chaparral, Coastal scrub, Valley and foothill grassland	Clay, Openings	20	955	65	3135		1980-01-01	© 2015 Keir Morse
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
Hazardia detonsa	island hazardia	Asteraceae	perennial evergreen shrub	Mar-Nov	None	None	G4	S4	4.3	Chaparral, Closed-cone coniferous forest, Coastal scrub	Rocky, Volcanic	5	580	15	1905	Yes	1974-01-01	© 2009 Zoya Akulova
Hazardia orcuttii	Orcutt's hazardia	Asteraceae	perennial evergreen shrub	Aug-Oct	None	CT	G1	S1	1B.1	Chaparral, Coastal scrub	Clay (often)	80	85	260	280		1984-01-01	© 2011 Keir Morse
Helianthella castanea	Diablo helianthella	Asteraceae	perennial herb	Mar-Jun	None	None	G2	S2	1B.2	Broadleafed upland forest, Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland, Valley and foothill grassland	Azonal soils, Partial Shade (often), Rocky (usually)	60	1300	195	4265	Yes	1974-01-01	© 2013 Christopher Bronny
Crocanthemum greenei	island rush-rose	Cistaceae	perennial evergreen shrub	(Jan)Mar-Jul(Aug)	FT	None	G3	S3	1B.2	Chaparral, Cismontane woodland, Closed-cone coniferous forest, Coastal scrub	Openings, Rocky	15	490	50	1610	Yes	1974-01-01	No Photo Available
Crocanthemum suffrutescens	Bisbee Peak rush-rose	Cistaceae	perennial evergreen shrub	Apr-Aug	None	None	G2?Q	S2?	3.2	Chaparral	Burned areas (often), Disturbed areas (often), Gabbroic (often)	75	670	245	2200	Yes	1974-01-01	No Photo Available
Limnanthes floccosa ssp. californica	Butte County meadowfoam	Limnanthaceae	annual herb	Mar-May	FE	CE	G4T1	S1	1B.1	Valley and foothill grassland, Vernal pools		46	930	150	3050	Yes	1980-01-01	© 2007 George W. Hartwell
Limnanthes floccosa ssp. floccosa	woolly meadowfoam	Limnanthaceae	annual herb	Mar-May(Jun)	None	None	G4T4	S3	4.2	Chaparral, Cismontane woodland, Valley and foothill grassland, Vernal pools	Vernally Mesic	60	1335	195	4380		1980-01-01	© 2021 Scot Loring
Limnanthes alba ssp. parishii	Parish's meadowfoam	Limnanthaceae	annual herb	Apr-Jun	None	CE	G4T2	S2	1B.2	Lower montane coniferous forest, Meadows and seeps, Vernal pools	Vernally Mesic	600	2000	1970	6560	Yes	1974-01-01	© 2005 Christopher L. Christie
Limnanthes vinculans	Sebastopol meadowfoam	Limnanthaceae	annual herb	Apr-May	FE	CE	G1	S1	1B.1	Meadows and seeps, Valley and foothill grassland, Vernal pools	Vernally Mesic	15	305	50	1000	Yes	1974-01-01	© 2015 Vernon Smith
Linanthus bellus	desert beauty	Polemoniaceae	annual herb	Apr-May	None	None	G2G3	S2	2B.1	Chaparral		1000	1400	3280	4595		1974-01-01	No Photo Available
Linanthus concinnus	San Gabriel linanthus	Polemoniaceae	annual herb	Apr-Jul	None	None	G2	S2	1B.2	Chaparral, Lower montane coniferous forest, Upper montane coniferous forest	Openings, Rocky	1520	2800	4985	9185	Yes	1974-01-01	© 2019 RT Hawke
Diplacus pictus	calico monkeyflower	Phrymaceae	annual herb	Mar-May	None	None	G2	S2	1B.2	Broadleafed upland forest, Cismontane woodland	Disturbed areas, Granitic	100	1430	330	4690	Yes	1974-01-01	© 2020 Matt C. Berger
Diplacus pulchellus	yellow-lip pansy monkeyflower	Phrymaceae	annual herb	Apr-Jul	None	None	G2	S2	1B.2	Lower montane coniferous forest, Meadows and seeps	Clay, Disturbed areas (often), Vernally Mesic	600	2000	1970	6560	Yes	1974-01-01	© 2018 Sierra Pacific Industries
Erythranthe purpurea	little purple monkeyflower	Phrymaceae	annual herb	May-Jun	None	None	G2	S2	1B.2	Meadows and seeps, Pebble (Pavement) plain, Upper montane coniferous forest		1900	2300	6235	7545		1974-01-01	No Photo Available
Diplacus pygmaeus	Egg Lake monkeyflower	Phrymaceae	annual herb	May-Aug	None	None	G4	S3	4.2	Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland	Clay, Streambanks, Vernally Mesic, Volcanic	500	1840	1640	6035		1974-01-01	©2006 Dean Wm. Taylor
Mimulus rattanii ssp. decurtatus	Santa Cruz County monkeyflower	Phrymaceae	annual herb	May-Jul	None	None	G4T1T3Q	S1S3	4.2	Chaparral, Lower montane coniferous forest	Gravelly, Lake Margins	400	500	1310	1640	Yes	1974-01-01	No Photo Available
Diplacus rupicola	Death Valley monkeyflower	Phrymaceae	perennial herb	Feb-Jun	None	None	G4	S4	4.3	Mojavean desert scrub		300	1830	985	6005	Yes	1974-01-01	© 2016 James Morefield
Erythranthe shevockii	Kelso Creek monkeyflower	Phrymaceae	annual herb	Mar-May	None	None	G1	S1	1B.1	Joshua tree "woodland", Pinyon and juniper woodland	Granitic (sometimes), Gravelly (sometimes), Metamorphic (sometimes), Sandy (sometimes)	800	1340	2625	4395	Yes	1984-01-01	© 2021 Ryan O'Dell
Arctostaphylos hispidula	Howell's manzanita	Ericaceae	perennial evergreen shrub	Mar-Apr	None	None	G4	S3	4.2	Chaparral		120	1250	395	4100		1974-01-01	© 2006 Steve Matson
Arctostaphylos franciscana	Franciscan manzanita	Ericaceae	perennial evergreen shrub	Feb-Apr	FE	None	GHC	S1	1B.1	Coastal scrub		60	300	195	985	Yes	1974-01-01	© 2015 Neal Kramer
Arenaria paludicola	marsh sandwort	Caryophyllaceae	perennial stoloniferous herb	May-Aug	FE	CE	G1	S1	1B.1	Marshes and swamps	Openings, Sandy	3	170	10	560		1984-01-01	No Photo Available
Eremogone ursina	Big Bear Valley sandwort	Caryophyllaceae	perennial herb	May-Aug	FT	None	G1	S1	1B.2	Meadows and seeps, Pebble (Pavement) plain, Pinyon and juniper woodland	Mesic, Rocky	1800	2900	5905	9515	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		500	1920	1640	6300		1974-01-01	© 2021 Scot Loring
Arnica spathulata	Klamath arnica	Asteraceae	perennial rhizomatous herb	May-Aug	None	None	G3?	S3	4.3	Lower montane coniferous forest		640	1800	2100	5905		1974-01-01	©2007 Keir Morse
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
Eremothera minor	Nelson's evening-primrose	Onagraceae	annual herb	Apr-Jul	None	None	G4	S1S2	2B.3	Chenopod scrub, Great Basin scrub		1200	1380	3935	4530		1980-01-01	No Photo Available
Camissonia sierrae ssp. alticola	Mono Hot Springs evening-primrose	Onagraceae	annual herb	May-Aug	None	None	G3T2	S2	1B.2	Lower montane coniferous forest, Upper montane coniferous forest	Granitic, Gravelly	1035	2410	3395	7905	Yes	1980-01-01	No Photo Available
Camissonia tanacetifolia ssp. quadriperforata									CBR								1980-01-01	No Photo Available
Campanula californica	swamp harebell	Campanulaceae	perennial rhizomatous herb	Jun-Oct	None	None	G3	S3	1B.2	Bogs and fens, Closed-cone coniferous forest, Coastal prairie, Marshes and swamps, Meadows and seeps, North Coast coniferous forest	Mesic	1	405	5	1330	Yes	1974-01-01	No Photo Available
Campanula exigua	chaparral harebell	Campanulaceae	annual herb	May-Jun	None	None	G2	S2	1B.2	Chaparral		275	1250	900	4100	Yes	1974-01-01	No Photo Available
Campanula scabrella	rough harebell	Campanulaceae	perennial rhizomatous herb	Aug-Sep	None	None	G4	S4	4.3	Alpine boulder and rock field		2285	2800	7495	9185		1974-01-01	©2008 Robert E. Preston, Ph.D.
Campanula sharsmithiae	Sharsmith's harebell	Campanulaceae	annual herb	Apr-Jun	None	None	G1G2	S1S2	1B.2	Chaparral		490	855	1610	2805	Yes	1984-01-01	No Photo Available
Campanula shetleri	Castle Crags harebell	Campanulaceae	perennial rhizomatous herb	Jun-Sep	None	None	G2	S2	1B.3	Lower montane coniferous forest		1220	1830	4005	6005	Yes	1974-01-01	©2020 Neal Kramer
Campanula wilkinsiana	Wilkin's harebell	Campanulaceae	perennial rhizomatous herb	Jul-Sep	None	None	G2	S2	1B.2	Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest		1270	2600	4165	8530	Yes	1974-01-01	©2010 Eric White
Cardamine nuttallii var. gemmata	yellow-tubered toothwort	Brassicaceae	perennial rhizomatous herb	Apr-May(Jun)	None	None	G5T3Q	S2	3.3	Lower montane coniferous forest, North Coast coniferous forest	Serpentinite	100	700	330	2295		1974-01-01	©2004 Norman Jensen
Cardamine pachystigma var. dissectifolia	dissected-leaved toothwort	Brassicaceae	perennial rhizomatous herb	Feb-May	None	None	G3G5T2Q	S2	1B.2	Chaparral, Lower montane coniferous forest	Rocky, Serpentinite (usually)	255	2100	835	6890	Yes	1988-01-01	No Photo Available
Carex albida					FE				CBR								1974-01-01	No Photo Available
Carex californica	California sedge	Cyperaceae	perennial rhizomatous herb	May-Aug	None	None	G5	S2	2B.2	Bogs and fens, Closed-cone coniferous forest, Coastal prairie, Marshes and swamps, Meadows and seeps		90	335	295	1100		1974-01-01	No Photo Available
Draba carnosula	Mt. Eddy draba	Brassicaceae	perennial herb	Jul-Aug	None	None	G2	S2	1B.3	Subalpine coniferous forest, Upper montane coniferous forest	Rocky, Serpentinite	1935	3000	6350	9845	Yes	1980-01-01	©2011 Steve Matson
Draba cruciata	Mineral King draba	Brassicaceae	perennial herb	Jun-Aug	None	None	G3	S3	1B.3	Subalpine coniferous forest		2500	3315	8205	10875	Yes	1974-01-01	No Photo Available
Draba sharsmithii	Mt. Whitney draba	Brassicaceae	perennial herb	Jul-Aug	None	None	G2	S2	1B.3	Alpine boulder and rock field, Subalpine coniferous forest		3300	3960	10825	12995	Yes	1974-01-01	No Photo Available
Draba howellii	Howell's draba	Brassicaceae	perennial herb	Jun-Jul	None	None	G4	S4	4.3	Subalpine coniferous forest		1370	3000	4495	9845		1974-01-01	© 2013 Dana York
Draba incrassata	Sweetwater Mountains draba	Brassicaceae	perennial stoloniferous herb	Jul-Aug	None	None	G2G3	S2S3	1B.3	Alpine boulder and rock field		2500	3965	8205	13010	Yes	1980-01-01	No Photo Available
Draba pterosperma	winged-seed draba	Brassicaceae	perennial herb	Jun-Aug	None	None	G3	S3	4.3	Upper montane coniferous forest		1800	2500	5905	8205	Yes	1974-01-01	©2016 Dana York
Cusickiella quadricostata	Bodie Hills cusickiella	Brassicaceae	perennial herb	May-Jul	None	None	G2	S2	1B.2	Great Basin scrub, Pinyon and juniper woodland	Clay (sometimes), Rocky (sometimes)	2000	2800	6560	9185		1974-01-01	No Photo Available
Draba sierrae	Sierra draba	Brassicaceae	perennial herb	Jun-Aug	None	None	G3	S3	1B.3	Alpine boulder and rock field		3500	4265	11485	13995	Yes	1974-01-01	No Photo Available
Drosera anglica	English sundew	Droseraceae	perennial herb (carnivorous)	Jun-Sep	None	None	G5	S2	2B.3	Bogs and fens, Meadows and seeps		1300	2255	4265	7400		1974-01-01	Barry Rice 2007
Dryopteris filix-mas	male fern	Dryopteridaceae	perennial rhizomatous herb	Jul-Sep	None	None	G5	S2	2B.3	Upper montane coniferous forest		2400	3100	7875	10170		1974-01-01	No Photo Available
Artemisia palmeri	San Diego sagewort	Asteraceae	perennial deciduous shrub	(Feb)May-Sep	None	None	G3?	S3?	4.2	Chaparral, Coastal scrub, Riparian forest, Riparian scrub, Riparian woodland	Mesic, Sandy	15	915	50	3000		1974-01-01	No Photo Available
Asarum marmoratum	marbled wild-ginger	Aristolochiaceae	perennial rhizomatous herb	Apr-Aug	None	None	G4?	S2	2B.3	Lower montane coniferous forest		200	1800	655	5905		1988-01-01	© 2021 Scot Loring
Asplenium septentrionale	northern spleenwort	Aspleniaceae	perennial rhizomatous herb	Jul-Aug	None	None	G4G5	S3	2B.3	Chaparral, Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest	Granitic, Rocky	1615	3350	5300	10990		1974-01-01	©2018 Sierra Pacific Industries
Asplenium trichomanes ssp. trichomanes	maidenhair spleenwort	Aspleniaceae	perennial rhizomatous herb	May-Jul	None	None	G5T5	S1	2B.1	Lower montane coniferous forest		185	200	605	655		1984-01-01	©2012 Dana York
Asplenium viride	green spleenwort	Aspleniaceae	perennial rhizomatous herb	Jun-Aug	None	None	G5?	S1	2B.3	Subalpine coniferous forest		2050	2050	6725	6725		1974-01-01	No Photo Available
Symphyotrichum lentum	Suisun Marsh aster	Asteraceae	perennial rhizomatous herb	(Apr)May-Nov	None	None	G2	S2	1B.2	Marshes and swamps		0	3	0	10	Yes	1974-01-01	No Photo Available
Symphyotrichum greatae	Greata's aster	Asteraceae	perennial rhizomatous herb	Jun-Oct	None	None	G2	S2	1B.3	Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest, Riparian woodland	Mesic	300	2010	985	6595	Yes	1974-01-01	No Photo Available
Astragalus agnicidus	Humboldt County milk-vetch	Fabaceae	perennial herb	Apr-Sep	None	CE	G2	S2	1B.1	Broadleafed upland forest, North Coast coniferous forest	Disturbed areas, Openings, Roadsides (sometimes)	120	800	395	2625	Yes	1974-01-01	©2004 Dean Wm. Taylor
Astragalus albens	Cushenbury milk-vetch	Fabaceae	perennial herb	Mar-Jun	FE	None	G1	S1	1B.1	Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland	Carbonate (usually), Granitic (rarely)	1095	2000	3595	6560	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	Meadows and seeps, Playas	Alkaline (sometimes)	1240	2350	4070	7710		1980-01-01	No Photo Available
Astragalus atratus var. mensanus	Darwin Mesa milk-vetch	Fabaceae	perennial herb	Apr-Jun	None	None	G4G5T2	S2	1B.1	Great Basin scrub, Joshua tree "woodland", Pinyon and juniper woodland	Clay, Gravelly, Volcanic	1340	2315	4395	7595	Yes	1980-01-01	No Photo Available
Astragalus bicristatus	crested milk-vetch	Fabaceae	perennial herb	May-Aug	None	None	G3	S3	4.3	Lower montane coniferous forest, Upper montane coniferous forest	Carbonate (usually), Rocky (sometimes), Sandy (sometimes)	1700	2745	5580	9005	Yes	1974-01-01	No Photo Available
Astragalus brauntonii	Braunton's milk-vetch	Fabaceae	perennial herb	Jan-Aug	FE	None	G2	S2	1B.1	Chaparral, Coastal scrub, Valley and foothill grassland	Burned areas (sometimes), Carbonate, Disturbed areas (sometimes), Sandstone (usually)	4	640	15	2100	Yes	1974-01-01	© 2009 Thomas Stoughton
Astragalus breweri	Brewer's milk-vetch	Fabaceae	annual herb	Apr-Jun	None	None	G3	S3	4.2	Chaparral, Cismontane woodland, Meadows and seeps, Valley and foothill grassland	Serpentinite (often), Volcanic	90	730	295	2395	Yes	1974-01-01	No Photo Available
Astragalus cimae var. cimae	Cima milk-vetch	Fabaceae	perennial herb	Apr-May	None	None	G3T2T3	S2?	1B.2	Great Basin scrub, Joshua tree "woodland", Pinyon and juniper woodland	Clay	890	1850	2920	6070		1974-01-01	No Photo Available
Astragalus claranus	Clara Hunt's milk-vetch	Fabaceae	annual herb	Mar-May	FE	CE	G1	S1	1B.1	Chaparral, Cismontane woodland, Valley and foothill grassland	Clay, Rocky, Serpentinite (sometimes), Volcanic (sometimes)	75	275	245	900	Yes	1974-01-01	No Photo Available
Astragalus clevelandii	Cleveland's milk-vetch	Fabaceae	perennial herb	Jun-Sep	None	None	G4	S4	4.3	Chaparral, Cismontane woodland, Riparian forest	Seeps, Serpentinite	200	1500	655	4920	Yes	1974-01-01	No Photo Available
Astragalus crotalariae	Salton milk-vetch	Fabaceae	perennial herb	Jan-Apr	None	None	G4G5	S4	4.3	Sonoran desert scrub		-60	250	-195	820		1974-01-01	No Photo Available
Astragalus deanei	Dean's milk-vetch	Fabaceae	perennial herb	Feb-May	None	None	G1	S1	1B.1	Chaparral, Cismontane woodland, Coastal scrub, Riparian forest		75	695	245	2280	Yes	1974-01-01	No Photo Available
Astragalus douglasii var. perstrictus	Jacumba milk-vetch	Fabaceae	perennial herb	Apr-Jun	None	None	G5T3?	S2S3	1B.2	Chaparral, Cismontane woodland, Pinyon and juniper woodland, Riparian scrub, Valley and foothill grassland	Rocky	900	1370	2955	4495		1984-01-01	No Photo Available
Astragalus ertterae	Walker Pass milk-vetch	Fabaceae	perennial herb	Apr-May	None	None	G2	S2	1B.3	Pinyon and juniper woodland		1705	1900	5595	6235	Yes	1988-01-01	No Photo Available
Astragalus funereus	black milk-vetch	Fabaceae	perennial herb	Mar-May	None	None	G2	S2	1B.2	Mojavean desert scrub		1280	2100	4200	6890		1980-01-01	No Photo Available
Astragalus geyeri var. geyeri	Geyer's milk-vetch	Fabaceae	annual herb	May-Aug	None	None	G4T4	S2	2B.2	Chenopod scrub, Great Basin scrub	Sandy	1160	1980	3805	6495		1974-01-01	No Photo Available
Astragalus gilmanii	Gilman's milk-vetch	Fabaceae	perennial herb	May-Aug	None	None	G2	S2	1B.2	Great Basin scrub, Pinyon and juniper woodland	Gravelly (sometimes), Rocky (sometimes)	2000	3050	6560	10005		1974-01-01	No Photo Available
Astragalus insularis var. harwoodii	Harwood's milk-vetch	Fabaceae	annual herb	Jan-May	None	None	G5T4	S2	2B.2	Desert dunes, Mojavean desert scrub	Gravelly (sometimes), Sandy (sometimes)	0	710	0	2330		1980-01-01	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 jaegerianus	Lane Mountain milk-vetch	Fabaceae	perennial herb	Apr-Jun	FE	None	G2	S2	1B.1	Joshua tree "woodland", Mojavean desert scrub	Granitic, Gravelly (sometimes), Sandy (sometimes)	900	1200	2955	3935	Yes	1974-01-01	No Photo Available
Astragalus johannis-howellii	Long Valley milk-vetch	Fabaceae	perennial herb	Jun-Aug	None	CR	G2	S1	1B.2	Great Basin scrub		2040	2530	6695	8300		1974-01-01	No Photo Available
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		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	Subalpine coniferous forest		3000	3490	9845	11450		1974-01-01	No Photo Available
Astragalus lentiformis	lens-pod milk-vetch	Fabaceae	perennial herb	May-Jul	None	None	G2	S2	1B.2	Great Basin scrub, Lower montane coniferous forest	Sandy, Volcanic	1460	1910	4790	6265	Yes	1974-01-01	No Photo Available
Astragalus lentiginosus var. borreganus	Borrego milk-vetch	Fabaceae	annual herb	Feb-May	None	None	G5T5?	S4	4.3	Mojavean desert scrub, Sonoran desert scrub	Sandy	30	895	100	2935		1974-01-01	No Photo Available
Astragalus lentiginosus var. coachellae	Coachella Valley milk-vetch	Fabaceae	annual/perennial herb	Feb-May	FE	None	G5T1	S1	1B.2	Desert dunes, Sonoran desert scrub		40	655	130	2150	Yes	1984-01-01	No Photo Available
Astragalus lentiginosus var. kernensis	Kern Plateau milk-vetch	Fabaceae	perennial herb	Jun-Jul	None	None	G5T2?	S2	1B.2	Meadows and seeps, Subalpine coniferous forest	Sandy	2240	2750	7350	9025		1980-01-01	No Photo Available
Astragalus lentiginosus var. micans	shining milk-vetch	Fabaceae	perennial herb	Mar-Jun	None	None	G5T1	S1	1B.2	Desert dunes		770	1175	2525	3855	Yes	1974-01-01	No Photo Available
Astragalus lentiginosus var. piscinensis	Fish Slough milk-vetch	Fabaceae	perennial herb	Jun-Jul	FT	None	G5T1	S1	1B.1	Playas		1130	1300	3710	4265	Yes	1980-01-01	No Photo Available
Astragalus lentiginosus var. sesquimetralis	Sodaville milk-vetch	Fabaceae	perennial herb	Apr-Jul	None	CE	G5T1	S1	1B.1	Meadows and seeps		955	975	3135	3200		1974-01-01	No Photo Available
Astragalus leucolobus	Big Bear Valley woollypod	Fabaceae	perennial herb	May-Jul	None	None	G2	S2	1B.2	Lower montane coniferous forest, Pebble (Pavement) plain, Pinyon and juniper woodland, Upper montane coniferous forest	Rocky	1100	2885	3610	9465	Yes	1974-01-01	No Photo Available
Astragalus macrodon	Salinas milk-vetch	Fabaceae	perennial herb	Apr-Jul	None	None	G4	S4	4.3	Chaparral, Cismontane woodland, Valley and foothill grassland	Sandstone (sometimes), Serpentinite (sometimes), Shale (sometimes)	250	950	820	3115	Yes	1974-01-01	No Photo Available
Astragalus magdalenae var. peirsonii	Peirson's milk-vetch	Fabaceae	perennial herb	Dec-Apr	FT	CE	G3G4T1	S1	1B.2	Desert dunes		60	225	195	740		1974-01-01	No Photo Available
Astragalus miguelensis	San Miguel Island milk-vetch	Fabaceae	perennial herb	Mar-Jul	None	None	G4	S4	4.3	Coastal bluff scrub, Coastal dunes, Coastal scrub		3	150	10	490	Yes	1974-01-01	No Photo Available
Astragalus mohavensis var. hemigyrus	curved-pod milk-vetch	Fabaceae	annual herb	Apr-Jun	None	None	G3G4T2T3	S1	1B.1	Joshua tree "woodland", Mojavean desert scrub	Carbonate	1250	1620	4100	5315		1988-01-01	No Photo Available
Astragalus monoensis	Mono milk-vetch	Fabaceae	perennial herb	Jun-Aug	None	CR	G2	S2	1B.2	Great Basin scrub, Upper montane coniferous forest	Gravelly (sometimes), Pumice, Sandy (sometimes)	2110	3355	6925	11010	Yes	1974-01-01	No Photo Available
Astragalus nevinii	San Clemente Island milk-vetch	Fabaceae	perennial herb	Feb-Jul	None	None	G3	S3	1B.2	Coastal dunes, Coastal scrub, Valley and foothill grassland		5	225	15	740	Yes	1974-01-01	No Photo Available
Astragalus nutans	Providence Mountains milk-vetch	Fabaceae	annual herb	Mar-Jun(Oct)	None	None	G3	S3	4.3	Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland, Sonoran desert scrub	Gravelly (sometimes), Sandy (sometimes)	450	1950	1475	6400	Yes	1974-01-01	No Photo Available
Astragalus oocarpus	San Diego milk-vetch	Fabaceae	perennial herb	May-Aug	None	None	G2?	S2?	1B.2	Chaparral, Cismontane woodland		305	1524	1000	5000	Yes	1974-01-01	No Photo Available
Astragalus oophorus var. lavinii	Lavin's milk-vetch	Fabaceae	perennial herb	Jun	None	None	G4T2	S1	1B.2	Great Basin scrub, Pinyon and juniper woodland		2450	3050	8040	10005		1984-01-01	No Photo Available
Astragalus pauperculus	depauperate milk-vetch	Fabaceae	annual herb	Mar-Jun	None	None	G4	S4	4.3	Chaparral, Cismontane woodland, Valley and foothill grassland	Vernally Mesic, Volcanic	60	1215	195	3985	Yes	1974-01-01	©2012 Tim Kellison
Astragalus preussii var. laxiflorus	Lancaster milk-vetch	Fabaceae	perennial herb	Mar-May	None	None	G4T2	S1	1B.1	Chenopod scrub		700	700	2295	2295		1988-01-01	No Photo Available
Astragalus preussii var. preussii	Preuss' milk-vetch	Fabaceae	perennial herb	Apr-Jun	None	None	G4T4	S1	2B.1	Chenopod scrub, Mojavean desert scrub	Clay	750	805	2460	2640		1988-01-01	No Photo Available
Astragalus pseudiodanthus	Tonopah milk-vetch	Fabaceae	perennial herb	May-Jun	None	None	G2Q	S2	1B.2	Great Basin scrub		2025	2075	6645	6810		1980-01-01	No Photo Available
Astragalus pycnostachyus var. lanosissimus	Ventura Marsh milk-vetch	Fabaceae	perennial herb	(Jun)Aug-Oct	FE	CE	G2T1	S1	1B.1	Coastal dunes, Coastal scrub, Marshes and swamps		1	35	5	115	Yes	1974-01-01	No Photo Available
Astragalus rattanii var. jepsonianus	Jepson's milk-vetch	Fabaceae	annual herb	Mar-Jun	None	None	G4T3	S3	1B.2	Chaparral, Cismontane woodland, Valley and foothill grassland	Serpentinite (often)	295	700	970	2295	Yes	1988-01-01	No Photo Available
Astragalus rattanii var. rattanii	Rattan's milk-vetch	Fabaceae	perennial herb	Apr-Jul	None	None	G4T4	S4	4.3	Chaparral, Cismontane woodland, Lower montane coniferous forest	Gravelly, Streambanks	30	825	100	2705	Yes	1988-01-01	No Photo Available
Astragalus ravenii	Raven's milk-vetch	Fabaceae	perennial herb	Jul-Sep	None	None	G2	S2	1B.3	Alpine boulder and rock field, Upper montane coniferous forest	Gravelly	3355	3460	11010	11350	Yes	1974-01-01	No Photo Available
Astragalus serenoi var. shockleyi	Shockley's milk-vetch	Fabaceae	perennial herb	(Apr)May-Jul	None	None	G4T3	S3	2B.2	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	Upper montane coniferous forest		1890	1965	6200	6445	Yes	1980-01-01	No Photo Available
Astragalus subvestitus	Kern County milk-vetch	Fabaceae	perennial herb	(May)Jun-Jul	None	None	G3	S3	4.3	Great Basin scrub, Meadows and seeps, Pinyon and juniper woodland	Gravelly (sometimes), Sandy (sometimes)	2330	2750	7645	9025	Yes	1974-01-01	No Photo Available
Astragalus anxius	Ash Valley milk-vetch	Fabaceae	perennial herb	May-Jul	None	None	G1	S1	1B.3	Great Basin scrub, Pinyon and juniper woodland, Upper montane coniferous forest	Volcanic	1550	1645	5085	5395	Yes	1984-01-01	No Photo Available
Astragalus tener var. titi	coastal dunes milk-vetch	Fabaceae	annual herb	Mar-May	FE	CE	G2T1	S1	1B.1	Coastal bluff scrub, Coastal dunes, Coastal prairie	Mesic (often), Vernally Mesic (often)	1	50	5	165	Yes	1974-01-01	No Photo Available
Astragalus traskiae	Trask's milk-vetch	Fabaceae	perennial herb	Feb-Jul	None	CR	G3	S3	1B.2	Coastal bluff scrub, Coastal dunes, Coastal scrub		5	245	15	805	Yes	1974-01-01	No Photo Available
Astragalus tricarinatus	triple-ribbed milk-vetch	Fabaceae	perennial herb	Feb-May	FE	None	G2	S2	1B.2	Joshua tree "woodland", Sonoran desert scrub	Gravelly (sometimes), Sandy (sometimes)	450	1190	1475	3905	Yes	1974-01-01	No Photo Available
Astragalus umbraticus	Bald Mountain milk-vetch	Fabaceae	perennial herb	May-Aug	None	None	G4	S2	2B.2	Cismontane woodland, Lower montane coniferous forest	Roadsides (sometimes)	150	1250	490	4100		1974-01-01	©2013 Scot Loring
Astragalus webberi	Webber's milk-vetch	Fabaceae	perennial herb	May-Jul	None	None	G1	S1	1B.2	Broadleafed upland forest, Lower montane coniferous forest, Meadows and seeps		731	1250	2400	4100	Yes	1974-01-01	No Photo Available
Atriplex cordulata var. cordulata	heartscale	Chenopodiaceae	annual herb	Apr-Oct	None	None	G3T2	S2	1B.2	Chenopod scrub, Meadows and seeps, Valley and foothill grassland	Alkaline (sometimes)	0	560	0	1835	Yes	1988-01-01	© 1994 Robert E. Preston, Ph.D.
Baccharis vanessae	Encinitas baccharis	Asteraceae	perennial deciduous shrub	Aug-Nov	FT	CE	G1	S1	1B.1	Chaparral, Cismontane woodland	Sandstone	60	720	195	2360	Yes	1980-01-01	No Photo Available
Balsamorhiza macrolepis	big-scale balsamroot	Asteraceae	perennial herb	Mar-Jun	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland, Valley and foothill grassland	Serpentinite (sometimes)	45	1555	150	5100	Yes	1974-01-01	©1998 Dean Wm. Taylor
Balsamorhiza sericea	silky balsamroot	Asteraceae	perennial herb	Apr-May(Jun-Jul)	None	None	G4Q	S3	1B.3	Lower montane coniferous forest		850	2130	2790	6990		1984-01-01	© 2021 Scot Loring
Benitoa occidentalis	western lessingia	Asteraceae	annual herb	May-Nov	None	None	G3G4	S3S4	4.3	Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland	Clay (sometimes), Serpentinite (sometimes)	450	1070	1475	3510	Yes	1974-01-01	No Photo Available
Bensoniella oregona	bensoniella	Saxifragaceae	perennial herb	May-Jul	None	CR	G3	S2	1B.1	Bogs and fens, Lower montane coniferous forest, Meadows and seeps	Mesic	900	1400	2955	4595		1974-01-01	© 2021 Scot Loring
Bergerocactus emoryi	golden-spined cereus	Cactaceae	perennial stem	May-Jun	None	None	G2G3	S2	2B.2	Chaparral, Closed-cone coniferous forest, Coastal scrub	Sandy	3	395	10	1295		1974-01-01	No Photo Available
Blennosperma bakeri	Sonoma sunshine	Asteraceae	annual herb	Mar-May	FE	CE	G1	S1	1B.1	Valley and foothill grassland, Vernal pools		10	110	35	360	Yes	1974-01-01	No Photo Available
Blennosperma nanum var. robustum	Point Reyes blennosperma	Asteraceae	annual herb	Feb-Apr	None	CR	G4T2	S2	1B.2	Coastal prairie, Coastal scrub		10	145	35	475	Yes	1974-01-01	No Photo Available
Blepharidachne kingii	King's eyelash grass	Poaceae	perennial herb	May	None	None	G4	S2	2B.3	Great Basin scrub		1065	2135	3495	7005		1974-01-01	No Photo Available
Bloomeria humilis	dwarf goldenstar	Themidaceae	perennial bulbiferous herb	Jun	None	CR	G1	S1	1B.2	Chaparral, Coastal bluff scrub, Valley and foothill grassland		10	120	35	395	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	Bogs and fens, Lower montane coniferous forest, Marshes and swamps, Meadows and seeps, Upper montane coniferous forest		1268	3280	4160	10760		1984-01-01	© 2016 Steve Matson
Bouteloua trifida	three-awned grama	Poaceae	perennial herb	(Apr)May-Sep	None	None	G4G5	S3	2B.3	Mojavean desert scrub		700	2000	2295	6560		1974-01-01	No Photo Available
Brodiaea rosea	Indian Valley brodiaea	Themidaceae	perennial bulbiferous herb	May-Jun	None	CE	G2Q	S2	3.1	Chaparral, Cismontane woodland, Closed-cone coniferous forest, Valley and foothill grassland	Serpentinite	335	1450	1100	4755	Yes	1974-01-01	© 2014 Robert E. Preston, Ph.D.
Brodiaea filifolia	thread-leaved brodiaea	Themidaceae	perennial bulbiferous herb	Mar-Jun	FT	CE	G2	S2	1B.1	Chaparral, Cismontane woodland, Coastal scrub, Playas, Valley and foothill grassland, Vernal pools	Clay (often)	25	1120	80	3675	Yes	1974-01-01	© 2016 Keir Morse
Brodiaea insignis	Kaweah brodiaea	Themidaceae	perennial bulbiferous herb	Apr-Jun	None	CE	G1	S1	1B.2	Cismontane woodland, Meadows and seeps, Valley and foothill grassland	Clay (sometimes), Granitic (sometimes)	150	1400	490	4595	Yes	1974-01-01	© 2007 Robert E. Preston, Ph.D.
Brodiaea kinkiensis	San Clemente Island brodiaea	Themidaceae	perennial bulbiferous herb	May-Jun	None	None	G2	S2	1B.2	Valley and foothill grassland		305	600	1000	1970	Yes	1974-01-01	© 2011 Neal Kramer
Brodiaea orcuttii	Orcutt's brodiaea	Themidaceae	perennial bulbiferous herb	May-Jul	None	None	G2	S2	1B.1	Chaparral, Cismontane woodland, Closed-cone coniferous forest, Meadows and seeps, Valley and foothill grassland, Vernal pools	Clay, Mesic	30	1692	100	5550	Yes	1974-01-01	© 2001 Ellen Friedman & Ted Dunning
Brodiaea pallida	Chinese Camp brodiaea	Themidaceae	perennial bulbiferous herb	May-Jun	FT	CE	G1	S1	1B.1	Cismontane woodland, Valley and foothill grassland	Serpentinite (often)	165	385	540	1265	Yes	1974-01-01	© 2014 Robert E. Preston, Ph.D.
Bursera microphylla	little-leaf elephant tree	Burseraceae	perennial deciduous tree	Jun-Jul	None	None	G4	S2	2B.3	Sonoran desert scrub		200	700	655	2295		1980-01-01	No Photo Available
Calamagrostis bolanderi	Bolander's reed grass	Poaceae	perennial rhizomatous herb	May-Aug	None	None	G4	S4	4.2	Bogs and fens, Broadleafed upland forest, Closed-cone coniferous forest, Coastal scrub, Marshes and swamps, Meadows and seeps, North Coast coniferous forest	Mesic	0	455	0	1495	Yes	1974-01-01	©2009 Zoya Akulova
Calamagrostis crassiglumis	Thurber's reed grass	Poaceae	perennial rhizomatous herb	May-Aug	None	None	G3Q	S2	2B.1	Coastal scrub, Marshes and swamps		10	60	35	195		1980-01-01	No Photo Available
Calamagrostis foliosa	leafy reed grass	Poaceae	perennial herb	May-Sep	None	CR	G3	S3	4.2	Coastal bluff scrub, North Coast coniferous forest	Rocky	0	1220	0	4005	Yes	1980-01-01	©2011 Zoya Akulova
Calamagrostis ophitidis	serpentine reed grass	Poaceae	perennial herb	Apr-Jul	None	None	G3	S3	4.3	Chaparral, Lower montane coniferous forest, Meadows and seeps, Valley and foothill grassland	Rocky, Serpentinite	90	1065	295	3495	Yes	1974-01-01	No Photo Available
Clinopodium chandleri	San Miguel savory	Lamiaceae	perennial shrub	Mar-Jul	None	None	G3	S2	1B.2	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	Coastal bluff scrub, Coastal scrub, Valley and foothill grassland	Sandy	5	300	15	985		1980-01-01	No Photo Available
Calliandra eriophylla	pink fairy-duster	Fabaceae	perennial deciduous shrub	Jan-Mar	None	None	G5	S3	2B.3	Sonoran desert scrub		120	1500	395	4920		1980-01-01	No Photo Available
Calochortus catalinae	Catalina mariposa lily	Liliaceae	perennial bulbiferous herb	(Feb)Mar-Jun	None	None	G3G4	S3S4	4.2	Chaparral, Cismontane woodland, Coastal scrub, Valley and foothill grassland		15	700	50	2295	Yes	1974-01-01	No Photo Available
Calochortus clavatus var. recurvifolius	Arroyo de la Cruz mariposa-lily	Liliaceae	perennial bulbiferous herb	Jun-Jul	None	None	G4T1	S1	1B.2	Chaparral, Coastal bluff scrub, Coastal prairie, Lower montane coniferous forest		10	120	35	395	Yes	1974-01-01	No Photo Available
Eremothera boothii ssp. boothii	Booth's evening-primrose	Onagraceae	annual herb	Apr-Sep	None	None	G5T4	S3	2B.3	Joshua tree "woodland", Pinyon and juniper woodland		815	2400	2675	7875		1980-01-01	No Photo Available
Camissoniopsis guadalupensis ssp. clementina	San Clemente Island evening-primrose	Onagraceae	annual herb	Apr-Jun	None	None	G3T2	S2	1B.2	Coastal dunes		0	30	0	100	Yes	1974-01-01	No Photo Available
Camissoniopsis hardhamiae	Hardham's evening-primrose	Onagraceae	annual herb	Mar-May	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland	Burned areas (sometimes), Carbonate, Disturbed areas (sometimes), Sandy	140	945	460	3100	Yes	1980-01-01	No Photo Available
Camissonia integrifolia	Kern River evening-primrose	Onagraceae	annual herb	(Apr)May	None	None	G2	S2	1B.3	Chaparral		700	1000	2295	3280	Yes	1980-01-01	No Photo Available
Camissonia kernensis ssp. kernensis	Kern County evening-primrose	Onagraceae	annual herb	Mar-May	None	None	G4T3	S3	4.3	Chaparral, Joshua tree "woodland", Pinyon and juniper woodland	Granitic, Gravelly (sometimes), Sandy (sometimes)	790	2130	2590	6990	Yes	1980-01-01	No Photo Available
Carex congdonii	Congdon's sedge	Cyperaceae	perennial rhizomatous herb	Jul-Aug	None	None	G4	S4	4.3	Alpine boulder and rock field, Subalpine coniferous forest		2600	3900	8530	12795	Yes	1974-01-01	No Photo Available
Carex davyi	Davy's sedge	Cyperaceae	perennial herb	May-Aug	None	None	G3	S3	1B.3	Subalpine coniferous forest, Upper montane coniferous forest		1500	3200	4920	10500		1974-01-01	No Photo Available
Carex duriuscula	spikerush sedge	Cyperaceae	perennial rhizomatous herb	Jul-Aug	None	None	G5	S2	2B.3	Great Basin scrub, Subalpine coniferous forest		3500	4100	11485	13450		1980-01-01	No Photo Available
Carex scabriuscula	Siskiyou sedge	Cyperaceae	perennial rhizomatous herb	May-Jul	None	None	G4G5	S4	4.3	Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest	Mesic, Seeps (sometimes), Serpentinite (sometimes)	710	2345	2330	7695		1980-01-01	©2009 Julie Kierstead Nelson
Carex halliana	Oregon sedge	Cyperaceae	perennial rhizomatous herb	(May)Jul-Sep	None	None	G4	S2	2B.3	Meadows and seeps, Subalpine coniferous forest, Upper montane coniferous forest	Pumice (often)	1370	2105	4495	6905		1980-01-01	©2010 Keir Morse
Carex lasiocarpa	woolly-fruited sedge	Cyperaceae	perennial rhizomatous herb	Jun-Jul	None	None	G5	S2	2B.3	Bogs and fens, Marshes and swamps		1700	2100	5580	6890		1980-01-01	© 2011 Sierra Pacific Industries
Carex livida	livid sedge	Cyperaceae	perennial rhizomatous herb	Jun	None	None	G5	SH	2A	Bogs and fens		0	0	0	0		1974-01-01	No Photo Available
Carex obispoensis	San Luis Obispo sedge	Cyperaceae	perennial cespitose herb	Apr-Jun	None	None	G3?	S3?	1B.2	Chaparral, Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland	Clay (often), Gabbroic (sometimes), Seeps (often), Serpentinite (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	Chaparral, Coastal scrub	Sandstone	30	250	100	820	Yes	1980-01-01	No Photo Available
Dudleya abramsii ssp. calcicola	limestone dudleya	Crassulaceae	perennial herb	Apr-Aug	None	None	G4T4	S4	4.3	Chaparral, Pinyon and juniper woodland	Carbonate	500	2600	1640	8530	Yes	1984-01-01	No Photo Available
Dudleya candelabrum	candleholder dudleya	Crassulaceae	perennial herb	Apr-Jul	None	None	G3	S3	1B.2	Chaparral, Closed-cone coniferous forest, Coastal scrub	Rocky	5	610	15	2000	Yes	1974-01-01	No Photo Available
Dudleya cymosa ssp. crebrifolia	San Gabriel River dudleya	Crassulaceae	perennial herb	Apr-Jul	None	None	G5T2	S2	1B.2	Chaparral		275	457	900	1500	Yes	1988-01-01	No Photo Available
Dudleya cymosa ssp. marcescens	marcescent dudleya	Crassulaceae	perennial herb	Apr-Jul	FT	CR	G5T2	S2	1B.2	Chaparral	Rocky, Volcanic	150	520	490	1705	Yes	1974-01-01	No Photo Available
Dudleya cymosa ssp. ovatifolia	Santa Monica dudleya	Crassulaceae	perennial herb	Mar-Jun	FT	None	G5T1	S1	1B.1	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	Chaparral, Cismontane woodland, Coastal scrub, Lower montane coniferous forest, Riparian woodland	Granitic	244	610	800	2000	Yes	1974-01-01	No Photo Available
Dudleya greenei	Greene's dudleya	Crassulaceae	perennial herb	May-Jul	None	None	G3	S3	4.2	Chaparral, Cismontane woodland, Coastal bluff scrub, Coastal scrub	Volcanic	1	245	5	805	Yes	1974-01-01	No Photo Available
Dudleya multicaulis	many-stemmed dudleya	Crassulaceae	perennial herb	Apr-Jul	None	None	G2	S2	1B.2	Chaparral, Coastal scrub, Valley and foothill grassland	Clay (often)	15	790	50	2590	Yes	1974-01-01	No Photo Available
Dudleya nesiotica	Santa Cruz Island dudleya	Crassulaceae	perennial herb	Apr-Jun	FT	CR	G1	S1	1B.1	Coastal bluff scrub, Coastal scrub	Clay, Gravelly (sometimes), Rocky (sometimes)	10	50	35	165	Yes	1974-01-01	No Photo Available
Dudleya parva	Conejo dudleya	Crassulaceae	perennial herb	May-Jun	FT	None	G1	S1	1B.2	Coastal scrub, Valley and foothill grassland	Clay (sometimes), Gravelly (sometimes), Rocky (sometimes), Volcanic (sometimes)	60	450	195	1475	Yes	1974-01-01	No Photo Available
Hesperolinon adenophyllum	glandular western flax	Linaceae	annual herb	May-Aug	None	None	G2G3	S2S3	1B.2	Chaparral, Cismontane woodland, Valley and foothill grassland	Serpentinite (usually)	150	1315	490	4315	Yes	1974-01-01	© 2002 John Game
Hesperolinon bicarpellatum	two-carpellate western flax	Linaceae	annual herb	(Apr)May-Jul	None	None	G2	S2	1B.2	Chaparral		60	1005	195	3295	Yes	1974-01-01	© 2016 John Doyen
Hesperolinon breweri	Brewer's western flax	Linaceae	annual herb	May-Jul	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland, Valley and foothill grassland	Serpentinite (usually)	30	945	100	3100	Yes	1974-01-01	© 2014 Neal Kramer
Hesperolinon congestum	Marin western flax	Linaceae	annual herb	Apr-Jul	FT	CT	G1	S1	1B.1	Chaparral, Valley and foothill grassland	Serpentinite	5	370	15	1215	Yes	1974-01-01	© 2009 Neal Kramer
Hesperolinon didymocarpum	Lake County western flax	Linaceae	annual herb	May-Jul	None	CE	G1	S1	1B.2	Chaparral, Cismontane woodland, Valley and foothill grassland	Serpentinite	330	365	1085	1200	Yes	1974-01-01	© 2018 Aaron Arthur
Hesperolinon drymarioides	drymaria-like western flax	Linaceae	annual herb	May-Aug	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland, Closed-cone coniferous forest, Valley and foothill grassland	Serpentinite	100	1130	330	3710	Yes	1974-01-01	© Niall McCarten and CNPS
Heuchera abramsii	Abrams' alumroot	Saxifragaceae	perennial rhizomatous herb	Jul-Aug	None	None	G3	S3	4.3	Upper montane coniferous forest		2800	3500	9185	11485	Yes	1974-01-01	© 2005 Charles E. Jones
Lomatium hooveri	Hoover's lomatium	Apiaceae	perennial herb	Apr-Jul	None	None	G3	S3	4.3	Chaparral, Cismontane woodland	Serpentinite, Volcanic (rarely)	300	885	985	2905	Yes	1980-01-01	No Photo Available
Lomatium congdonii	Congdon's lomatium	Apiaceae	perennial herb	Mar-Jun	None	None	G2	S2	1B.2	Chaparral, Cismontane woodland	Serpentinite	300	2100	985	6890	Yes	1974-01-01	No Photo Available
Lomatium engelmannii	Engelmann's lomatium	Apiaceae	perennial herb	May-Aug	None	None	G4	S3	4.3	Chaparral, Lower montane coniferous forest, Upper montane coniferous forest	Serpentinite	870	2740	2855	8990		1974-01-01	©2018 John Doyen
Lomatium foeniculaceum ssp. inyoense	Inyo lomatium	Apiaceae	perennial herb	Jun-Jul	None	None	G5T3	S3	4.3	Subalpine coniferous forest		2195	3200	7200	10500		1980-01-01	No Photo Available
Lomatium howellii	Howell's lomatium	Apiaceae	perennial herb	Apr-Jul	None	None	G4G5	S4	4.3	Chaparral, Lower montane coniferous forest	Serpentinite	110	1705	360	5595		1974-01-01	©2008 Keir Morse
Lomatium insulare	San Nicolas Island lomatium	Apiaceae	perennial herb	Jan-Apr(Jun)	None	None	G3	S2S3	1B.2	Coastal bluff scrub		15	800	50	2625		1974-01-01	No Photo Available
Lomatium martindalei	Coast Range lomatium	Apiaceae	perennial herb	May-Jun(Aug)