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CNPS Rare Plant Inventory


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102 matches found. Click on scientific name for details

Search Criteria: Common Name starts with D

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
Spermolepis gigantea desert scaleseed Apiaceae annual herb Mar-Apr None None G1 SH 2B.1 Sonoran desert scrub 400 400 1310 1310 1988-01-01
No Photo Available
Calochortus dunnii Dunn's mariposa-lily Liliaceae perennial bulbiferous herb (Feb)Apr-Jun None CR G2G3 S2S3 1B.2 BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S Development, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Closed-cone coniferous forest, Valley and foothill grassland Gabbroic (sometimes), Rocky 185 1830 605 6005 1974-01-01
No Photo Available
Pseudorontium cyathiferum Deep Canyon snapdragon Plantaginaceae annual herb Feb-Apr None None G4G5 S1 2B.3 Sonoran desert scrub (rocky) 0 800 0 2625 1980-01-01
No Photo Available
Antirrhinum subcordatum dimorphic snapdragon Plantaginaceae annual herb Apr-Jul None None G3 S3 4.3 USFS_S Dam/Inundation, Grazing, Logging, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Lower montane coniferous forest Serpentine (sometimes) 185 800 605 2625 Yes 1974-01-01 Photo of Antirrhinum subcordatum
© 2015 Dean Wm. Taylor
Clarkia delicata delicate clarkia Onagraceae annual herb Apr-Jun None None G3 S3 1B.2 BLM_S; SB_CRES Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland Gabbroic (often) 235 1000 770 3280 1974-01-01
No Photo Available
Delphinium parryi ssp. blochmaniae dune larkspur Ranunculaceae perennial herb Apr-Jun None None G4T2 S2 1B.2 Development, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral (maritime), Coastal dunes 0 200 0 655 Yes 1988-01-01
No Photo Available
Johanneshowellia puberula downy buckwheat Polygonaceae annual herb May-Sep None None G4? S1 2B.3 Pinyon and juniper woodland (carbonate, sandy or gravelly) 1300 2900 4265 9515 1980-01-01
No Photo Available
Helianthella castanea Diablo helianthella Asteraceae perennial herb Mar-Jun None None G2 S2 1B.2 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Insufficient population/stand size, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Broadleafed upland forest, Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland, Valley and foothill grassland Rocky (usually) 60 1300 195 4265 Yes 1974-01-01 Photo of Helianthella castanea
© 2013 Christopher Bronny
Linanthus bellus desert beauty Polemoniaceae annual herb Apr-May None None G2G3 S2 2B.1 SB_CRES Development, Grazing, Landfill, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint. Chaparral (sandy) 1000 1400 3280 4595 1974-01-01
No Photo Available
Diplacus rupicola Death Valley monkeyflower Phrymaceae perennial herb Feb-Jun None None G4 S4 4.3 SB_CalBG/RSABG Mojavean desert scrub (carbonate, rocky) 300 1830 985 6005 Yes 1974-01-01 Photo of Diplacus rupicola
© 2016 James Morefield
Cardamine pachystigma var. dissectifolia dissected-leaved toothwort Brassicaceae perennial rhizomatous herb Feb-May None None G3G5T2Q S2 1B.2 Biocides, Improper burning regime, ORV activity, Road/trail construction/maint. Chaparral, Lower montane coniferous forest Rocky, Serpentine (usually) 255 2100 835 6890 Yes 1988-01-01
No Photo Available
Astragalus atratus var. mensanus Darwin Mesa milk-vetch Fabaceae perennial herb Apr-Jun None None G4G5T2 S2 1B.1 BLM_S Grazing 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 deanei Dean's milk-vetch Fabaceae perennial herb Feb-May None None G1 S1 1B.1 BLM_S; USFS_S Development, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Chaparral, Cismontane woodland, Coastal scrub, Riparian forest 75 695 245 2280 Yes 1974-01-01
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 Photo of Astragalus pauperculus
©2012 Tim Kellison
Bloomeria humilis dwarf goldenstar Themidaceae perennial bulbiferous herb Jun None CR G1 S1 1B.2 SB_CalBG/RSABG; SB_SBBG; USFS_S Development, Foot traffic/trampling, Non-native plant impacts, Road/trail construction/maint. Chaparral, Coastal bluff scrub, Valley and foothill grassland 10 120 35 395 Yes 1974-01-01
No Photo Available
Carex davyi Davy's sedge Cyperaceae perennial herb May-Aug None None G3 S3 1B.3 SB_UCSC Logging, ORV activity Subalpine coniferous forest, Upper montane coniferous forest 1500 3200 4920 10500 1974-01-01
No Photo Available
Hesperolinon drymarioides drymaria-like western flax Linaceae annual herb May-Aug None None G2 S2 1B.2 BLM_S; USFS_S Development, Mining, ORV activity, Road/trail construction/maint., Wood cutting or brush clearing Chaparral, Cismontane woodland, Closed-cone coniferous forest, Valley and foothill grassland Serpentine 100 1130 330 3710 Yes 1974-01-01 Photo of Hesperolinon drymarioides
© Niall McCarten and CNPS
Chorizanthe douglasii Douglas' spineflower Polygonaceae annual herb Apr-Jul None None G4 S4 4.3 SB_SBBG Chaparral, Cismontane woodland, Coastal scrub, Lower montane coniferous forest, Valley and foothill grassland Gravelly (sometimes), Sandy (sometimes) 55 1600 180 5250 Yes 1974-01-01
No Photo Available
Cordylanthus eremicus ssp. eremicus desert bird's-beak Orobanchaceae annual herb (hemiparasitic) Jul-Oct None None G3T3 S3 4.3 SB_CalBG/RSABG Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland 1000 3000 3280 9845 Yes 1980-01-01
No Photo Available
Corethrogyne filaginifolia var. linifolia Del Mar Mesa sand aster Asteraceae perennial herb May-Sep None None G4T1Q S1 1B.1 SB_CRES Development, Foot traffic/trampling, Non-native plant impacts, Other, Recreational use (non-ORV), Road/trail construction/maint. Chaparral (maritime, openings), Coastal bluff scrub, Coastal scrub Sandy 5 150 15 490 Yes 1980-01-01
No Photo Available
Cryptantha excavata deep-scarred cryptantha Boraginaceae annual herb Apr-May None None G1 S1 1B.1 BLM_S Cismontane woodland (gravelly, sandy) 100 500 330 1640 Yes 1974-01-01
No Photo Available
Cymopterus deserticola desert cymopterus Apiaceae perennial herb Mar-May None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Military operations, Non-native plant impacts, ORV activity, Other, Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub Sandy 630 1500 2065 4920 Yes 1974-01-01
No Photo Available
Dimeresia howellii doublet Asteraceae annual herb May-Sep None None G4 S3 2B.3 Foot traffic/trampling, Grazing, Mining, ORV activity, Other, Road/trail construction/maint., Wood cutting or brush clearing Lower montane coniferous forest, Pinyon and juniper woodland Volcanic 1340 2380 4395 7810 1974-01-01 Photo of Dimeresia howellii
©2016 Richard Spellenberg
Downingia pusilla dwarf downingia Campanulaceae annual herb Mar-May None None GU S2 2B.2 Agriculture, Biocides, Dam/Inundation, Development, Disking, Erosion/runoff, Foot traffic/trampling, Grazing, Improper burning regime, Mining, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion, Vandalism/dumping/litter Valley and foothill grassland (mesic), Vernal pools 1 445 5 1460 1980-01-01 Photo of Downingia pusilla
© 2013 Aaron Arthur
Iris innominata Del Norte County iris Iridaceae perennial rhizomatous herb May-Jun None None G4G5 S3 4.3 Lower montane coniferous forest (serpentinite) 300 2000 985 6560 1974-01-01 Photo of Iris innominata
© 2016 Dana York
Frasera albomarginata var. albomarginata desert green-gentian Gentianaceae perennial herb Apr-Jun(Jul-Sep) None None G5T5 S3 2B.2 Foot traffic/trampling, Grazing Pinyon and juniper woodland (gravelly, rocky) 1370 2315 4495 7595 2001-01-01
No Photo Available
Tetradymia tetrameres dune horsebrush Asteraceae perennial shrub (Jul)Aug None None G4 S2 2B.2 SB_CalBG/RSABG Great Basin scrub (sandy) 1200 2135 3935 7005 2001-01-01
No Photo Available
Teucrium glandulosum desert germander Lamiaceae perennial stoloniferous herb Apr-May None None G4 S2 2B.3 Sonoran desert scrub (rocky) 400 790 1310 2590 2001-01-01
No Photo Available
Petalonyx thurberi ssp. gilmanii Death Valley sandpaper-plant Loasaceae perennial evergreen shrub May-Sep None None G5T2 S2 1B.3 BLM_S; SB_CalBG/RSABG Erosion/runoff, Foot traffic/trampling, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Desert dunes, Mojavean desert scrub 260 1445 855 4740 Yes 1974-01-01
No Photo Available
Salix delnortensis Del Norte willow Salicaceae perennial deciduous shrub Apr-May None None G4 S4 4.3 Riparian forest (serpentinite) 90 500 295 1640 1974-01-01 Photo of Salix delnortensis
©2017 Steve Matson
Salvia eremostachya desert sage Lamiaceae perennial evergreen shrub Mar-May None None G4 S3 4.3 SB_CalBG/RSABG Sonoran desert scrub (gravelly, rocky) 700 1400 2295 4595 1974-01-01
No Photo Available
Salvia funerea Death Valley sage Lamiaceae perennial evergreen shrub Mar-May None None G4 S4 4.3 Mojavean desert scrub (carbonate) 0 1865 0 6120 1974-01-01
No Photo Available
Plagiobothrys salsus desert popcornflower Boraginaceae annual herb May-Aug None None G2G3 S1 2B.2 SB_CalBG/RSABG Grazing Playas (alkaline) 700 700 2295 2295 1994-01-01
No Photo Available
Eriogonum libertini Dubakella Mountain buckwheat Polygonaceae perennial herb Jun-Aug None None G4 S4 4.2 Chaparral, Lower montane coniferous forest Serpentine 1120 1720 3675 5645 Yes 1980-01-01 Photo of Eriogonum libertini
©2008 Shauna Hee
Eriogonum nutans var. nutans Dugway wild buckwheat Polygonaceae annual herb May-Sep(Oct) None None G5T3T4 S2? 2B.3 Grazing, Other, Road/trail construction/maint. Chenopod scrub, Great Basin scrub Gravelly (sometimes), Sandy (sometimes) 1220 3000 4005 9845 1984-01-01
No Photo Available
Eriogonum umbellatum var. torreyanum Donner Pass buckwheat Polygonaceae perennial herb Jul-Sep None None G5T2 S2 1B.2 SB_UCSC; USFS_S Development, Foot traffic/trampling, Insufficient population/stand size, Logging, Mining, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint. Meadows and seeps, Upper montane coniferous forest Rocky, Volcanic 1855 2620 6085 8595 Yes 1974-01-01
No Photo Available
Eryngium racemosum Delta button-celery Apiaceae annual/perennial herb (May)Jun-Oct None CE G1 S1 1B.1 Agriculture, Altered flood/tidal/hydrologic regime, Disking, Erosion/runoff, Grazing, Groundwater pumping, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Surface water diversion Riparian scrub (vernally mesic clay depressions) 3 30 10 100 Yes 1974-01-01
No Photo Available
Eschscholzia rhombipetala diamond-petaled California poppy Papaveraceae annual herb Mar-Apr None None G1 S1 1B.1 SB_CalBG/RSABG; SB_UCBG Agriculture, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Recreational use (non-ORV) Valley and foothill grassland (alkaline, clay) 0 975 0 3200 Yes 1980-01-01
No Photo Available
Pyrrocoma racemosa var. congesta Del Norte pyrrocoma Asteraceae perennial herb Aug-Sep None None G5T4 S2 2B.3 Chaparral, Lower montane coniferous forest Serpentine 200 1000 655 3280 1980-01-01 Photo of Pyrrocoma racemosa var. congesta
©2008 Keir Morse
Juncus duranii Duran's rush Juncaceae perennial rhizomatous herb Jul-Aug None None G3 S3 4.3 Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest Mesic 1768 2804 5800 9200 Yes 1974-01-01 Photo of Juncus duranii
© 2017 Keir Morse
Juncus dudleyi Dudley's rush Juncaceae perennial herb Jul-Aug None None G5 S1 2B.3 Altered flood/tidal/hydrologic regime, Waterway bank protection/maintenance Lower montane coniferous forest (mesic) 365 2000 1200 6560 1974-01-01 Photo of Juncus dudleyi
© 2017 Dean Wm. Taylor
Lathyrus delnorticus Del Norte pea Fabaceae perennial herb Jun-Jul None None G4 S3 4.3 SB_BerrySB Lower montane coniferous forest, North Coast coniferous forest Serpentine (often) 30 1450 100 4755 1974-01-01 Photo of Lathyrus delnorticus
© 2016 Keir Morse
Lathyrus jepsonii var. jepsonii Delta tule pea Fabaceae perennial herb May-Jul(Aug-Sep) None None G5T2 S2 1B.2 SB_BerrySB; SB_CalBG/RSABG Agriculture, Biocides, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Pollution, Recreational use (non-ORV), Road/trail construction/maint., Waterway bank protection/maintenance Marshes and swamps (brackish, freshwater) 0 5 0 15 Yes 1974-01-01 Photo of Lathyrus jepsonii var. jepsonii
© 2003 Mark Fogiel
Malacothamnus davidsonii Davidson's bush-mallow Malvaceae perennial deciduous shrub Jun-Jan None None G2 S2 1B.2 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Biocides, 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., Vandalism/dumping/litter, Waterway bank protection/maintenance, Wood cutting or brush clearing Chaparral, Cismontane woodland, Coastal scrub, Riparian woodland 185 1140 605 3740 Yes 1974-01-01 Photo of Malacothamnus davidsonii
© 2016 Keir Morse
Malacothrix incana dunedelion Asteraceae perennial herb (Jan)Apr-Oct None None G3G4 S3S4 4.3 SB_CalBG/RSABG Coastal dunes, Coastal scrub 2 35 5 115 Yes 1974-01-01
No Photo Available
Phacelia mustelina Death Valley round-leaved phacelia Hydrophyllaceae annual herb May-Jul None None G3 S2 1B.3 Non-native plant impacts Mojavean desert scrub, Pinyon and juniper woodland Carbonate (sometimes), Gravelly (sometimes), Rocky (sometimes), Volcanic (sometimes) 730 2620 2395 8595 1974-01-01
No Photo Available
Triteleia lugens dark-mouthed triteleia Themidaceae perennial bulbiferous herb Apr-Jun None None G4? S4? 4.3 Broadleafed upland forest, Chaparral, Coastal scrub, Lower montane coniferous forest 100 1000 330 3280 Yes 1974-01-01
No Photo Available
Nolina interrata Dehesa nolina Ruscaceae perennial herb Jun-Jul None CE G1G2 S1S2 1B.1 SB_CalBG/RSABG; SB_CRES Altered flood/tidal/hydrologic regime, Development, Erosion/runoff, Improper burning regime, Non-native plant impacts, ORV activity, Over-collecting/poaching, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter, Wood cutting or brush clearing Chaparral (gabbroic, metavolcanic, serpentinite) 185 855 605 2805 1974-01-01
No Photo Available
Pedicularis dudleyi Dudley's lousewort Orobanchaceae perennial herb Apr-Jun None CR G2 S2 1B.2 SB_CalBG/RSABG; SB_UCSC; USFS_S Development, Disease, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Insufficient population/stand size, Logging, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Wood cutting or brush clearing Chaparral (maritime), Cismontane woodland, North Coast coniferous forest, Valley and foothill grassland 60 900 195 2955 Yes 1974-01-01
No Photo Available
Proboscidea althaeifolia desert unicorn-plant Martyniaceae perennial herb May-Sep(Oct) None None G5 S4 4.3 SB_CalBG/RSABG Sonoran desert scrub Flats, Roadsides (sometimes), Sandy, Slopes, Washes 85 1000 280 3280 1980-01-01
No Photo Available
Pleuropogon californicus var. davyi Davy's semaphore grass Poaceae perennial rhizomatous herb Mar-Jun None None G5T3 S3 4.3 Cismontane woodland, Lower montane coniferous forest, Meadows and seeps 150 610 490 2000 Yes 1974-01-01
No Photo Available
Isocoma menziesii var. decumbens decumbent goldenbush Asteraceae perennial shrub Apr-Nov None None G3G5T2T3 S2 1B.2 BLM_S; SB_CRES Development, Erosion/runoff, Foot traffic/trampling, Improper burning regime, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Coastal scrub (often disturbed areas, sandy) 10 250 35 820 1994-01-01
No Photo Available
Ivesia aperta var. canina Dog Valley ivesia Rosaceae perennial herb Jun-Aug None None G2T1 S1 1B.1 SB_UCSC; USFS_S Dam/Inundation, Grazing, Improper burning regime, Logging, ORV activity, Recreational use (non-ORV), Road/trail construction/maint. Lower montane coniferous forest (openings), Meadows and seeps (xeric) Rocky, Volcanic 1600 2000 5250 6560 1994-01-01 Photo of Ivesia aperta var. canina
© 2005 Steve Matson
Streptanthus morrisonii ssp. hirtiflorus Dorr's Cabin jewelflower Brassicaceae perennial herb Jun None None G2T1 S1 1B.2 Mining Chaparral, Closed-cone coniferous forest Serpentine 185 820 605 2690 Yes 1974-01-01
No Photo Available
Tragia ramosa desert tragia Euphorbiaceae perennial herb Apr-May None None G5 S4 4.3 SB_CalBG/RSABG Chenopod scrub, Pinyon and juniper woodland Rocky 900 1860 2955 6105 2001-01-01
No Photo Available
Portulaca halimoides desert portulaca Portulacaceae annual herb Sep None None G5 S3 4.2 SB_CalBG/RSABG Joshua tree "woodland" (sandy) 1000 1200 3280 3935 1984-01-01
No Photo Available
Puccinellia pumila dwarf alkali grass Poaceae perennial herb Jul None None G5 SH 2B.2 Marshes and swamps (coastal salt) 1 10 5 35 1988-01-01
No Photo Available
Sedum niveum Davidson's stonecrop Crassulaceae perennial rhizomatous herb Jun-Aug None None G3 S3 4.2 SB_CalBG/RSABG; USFS_S Lower montane coniferous forest, Subalpine coniferous forest, Upper montane coniferous forest Rocky 2075 3000 6810 9845 1974-01-01
No Photo Available
Acleisanthes nevadensis desert wing-fruit Nyctaginaceae perennial herb Apr-Sep None None G4? S1 2B.1 Biocides, Development, Grazing, Non-native plant impacts, ORV activity, Road/trail construction/maint. Joshua tree "woodland", Mojavean desert scrub Gravelly, Rocky 795 1250 2610 4100 1984-01-01 Photo of Acleisanthes nevadensis
© 2020 Neal Kramer
Trifolium dedeckerae Dedecker's clover Fabaceae perennial herb May-Jul None None G2 S2 1B.3 BLM_S; SB_CalBG/RSABG; USFS_S Grazing, Non-native plant impacts, Road/trail construction/maint. Lower montane coniferous forest, Pinyon and juniper woodland, Subalpine coniferous forest, Upper montane coniferous forest Granitic, Rocky 2100 3500 6890 11485 Yes 1974-01-01
No Photo Available
Arctostaphylos glandulosa ssp. crassifolia Del Mar manzanita Ericaceae perennial evergreen shrub Jun-Apr FE None G5T2 S2 1B.1 SB_CRES Agriculture, Development, Erosion/runoff, Foot traffic/trampling, Grazing, Hybridization, Improper burning regime, 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 Chaparral (maritime, sandy) 0 365 0 1200 1974-01-01 Photo of Arctostaphylos glandulosa ssp. crassifolia
© 2012 Neal Kramer
Arctostaphylos nortensis Del Norte manzanita Ericaceae perennial evergreen shrub Feb None None G2 S2 4.3 IUCN_LC; SB_UCSC Chaparral, Lower montane coniferous forest Serpentine (often) 500 800 1640 2625 Yes 1994-01-01 Photo of Arctostaphylos nortensis
©2017 Steve Matson
Arctostaphylos tomentosa ssp. daciticola dacite manzanita Ericaceae perennial evergreen shrub Mar-May None None G4T1 S1 1B.1 SB_UCSC Chaparral, Cismontane woodland 100 300 330 985 Yes 1994-01-01
No Photo Available
Atriplex serenana var. davidsonii Davidson's saltscale Chenopodiaceae annual herb Apr-Oct None None G5T1 S1 1B.2 SB_CalBG/RSABG Altered flood/tidal/hydrologic regime, Development, Disking, Grazing, Landfill, Non-native plant impacts, ORV activity, Waterway bank protection/maintenance Coastal bluff scrub, Coastal scrub Alkaline 10 200 35 655 1994-01-01
No Photo Available
Calycadenia villosa dwarf calycadenia Asteraceae annual herb May-Oct None None G3 S3 1B.1 SB_SBBG; USFS_S Agriculture, Dam/Inundation, Development, Erosion/runoff, Feral pigs, Foot traffic/trampling, Grazing, Improper burning regime, Military operations, Mining, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV), Road/trail construction/maint., Vandalism/dumping/litter Chaparral, Cismontane woodland, Meadows and seeps, Valley and foothill grassland Rocky 240 1350 785 4430 Yes 1994-01-01
No Photo Available
Chlorogalum pomeridianum var. minus dwarf soaproot Agavaceae perennial bulbiferous herb May-Aug None None G5T3 S3 1B.2 BLM_S; SB_SBBG; USFS_S Erosion/runoff, Feral pigs, Grazing, Improper burning regime, Military operations, Road/trail construction/maint. Chaparral (serpentinite) 305 1000 1000 3280 Yes 1994-01-01 Photo of Chlorogalum pomeridianum var. minus
© 1997 Dean Wm Taylor
Eriogonum nudum var. paralinum Del Norte buckwheat Polygonaceae perennial herb Jun-Sep None None G5T2 S1 2B.2 Development Coastal bluff scrub, Coastal prairie 5 80 15 260 1994-01-01
No Photo Available
Lathyrus sulphureus var. argillaceus dubious pea Fabaceae perennial herb Apr-May None None G5T1T2Q S1S2 3 Foot traffic/trampling, Grazing, Road/trail construction/maint. Cismontane woodland, Lower montane coniferous forest, Upper montane coniferous forest 150 930 490 3050 Yes 1994-01-01
No Photo Available
Limosella australis Delta mudwort Scrophulariaceae perennial stoloniferous herb May-Aug None None G4G5 S2 2B.1 Altered flood/tidal/hydrologic regime, Degraded water quality, Erosion/runoff, Foot traffic/trampling, Grazing, Non-native plant impacts, Other, Recreational use (non-ORV), Vandalism/dumping/litter, Waterway bank protection/maintenance Marshes and swamps (brackish, freshwater), Riparian scrub Streambanks (usually) 0 3 0 10 1994-01-01 Photo of Limosella australis
© 2020 Richard Sage
Muhlenbergia fragilis delicate muhly Poaceae annual herb Oct None None G5? S2 2B.3 Non-native animal impacts, Non-native plant impacts Pinyon and juniper woodland (carbonate, gravelly) 1600 1600 5250 5250 1994-01-01
No Photo Available
Psilocarphus brevissimus var. multiflorus Delta woolly-marbles Asteraceae annual herb May-Jun None None G4T3 S3 4.2 Vernal pools 10 500 35 1640 Yes 1994-01-01
No Photo Available
Selaginella eremophila desert spike-moss Selaginellaceae perennial rhizomatous herb (May)Jun(Jul) None None G4 S2S3 2B.2 Development, Foot traffic/trampling, Non-native plant impacts, ORV activity, Road/trail construction/maint. Chaparral, Sonoran desert scrub (gravelly, rocky) 200 1295 655 4250 1994-01-01
No Photo Available
Abutilon parvulum dwarf abutilon Malvaceae perennial herb Apr-May None None G5 S2S3 2B.3 Development, Mining, ORV activity Chenopod scrub (rocky) 900 1360 2955 4460 2001-01-01 Photo of Abutilon parvulum
© 2005 James M. Andre
Ageratina herbacea desert ageratina Asteraceae perennial herb Jul-Oct None None G5 S3 2B.3 Pinyon and juniper woodland (rocky) 1525 2200 5005 7220 2001-01-01 Photo of Ageratina herbacea
© 2012 Richard Spellenberg
Betula glandulosa dwarf resin birch Betulaceae perennial deciduous shrub May-Jul None None G5 S2 2B.2 IUCN_LC Altered flood/tidal/hydrologic regime, Dam/Inundation, Foot traffic/trampling, Grazing, Recreational use (non-ORV), Surface water diversion Bogs and fens, Lower montane coniferous forest, Marshes and swamps, Meadows and seeps, Subalpine coniferous forest Mesic 1300 2300 4265 7545 2001-01-01 Photo of Betula glandulosa
© 2015 Dean Wm. Taylor
Carex saliniformis deceiving sedge Cyperaceae perennial rhizomatous herb (May)Jun(Jul) None None G2 S2 1B.2 Development, Grazing, Other Coastal prairie, Coastal scrub, Marshes and swamps (coastal salt), Meadows and seeps Mesic 3 230 10 755 Yes 2001-01-01 Photo of Carex saliniformis
©2003 Steve Matson
Euphorbia vallis-mortae Death Valley sandmat Euphorbiaceae perennial herb May-Oct None None G3 S3 4.2 SB_CalBG/RSABG Mojavean desert scrub (gravelly, sandy) 230 1460 755 4790 Yes 2001-01-01
No Photo Available
Ericameria nana dwarf goldenbush Asteraceae perennial shrub Jul-Nov None None G5 S4 4.3 Pinyon and juniper woodland (carbonate, gravelly, rocky) 1465 2800 4805 9185 2001-01-01
No Photo Available
Gilia millefoliata dark-eyed gilia Polemoniaceae annual herb Apr-Jul None None G2 S2 1B.2 BLM_S; SB_CalBG/RSABG Development, Foot traffic/trampling, Grazing, Non-native plant impacts, ORV activity, Other, Recreational use (non-ORV) Coastal dunes 2 30 5 100 2001-01-01 Photo of Gilia millefoliata
© 2017 John Doyen
Githopsis tenella delicate bluecup Campanulaceae annual herb Apr-Jun None None G2 S2 1B.3 BLM_S Chaparral, Cismontane woodland Mesic, Serpentine 325 1900 1065 6235 Yes 2001-01-01
No Photo Available
Malacothrix phaeocarpa dusky-fruited malacothrix Asteraceae annual herb Apr-Jun None None G3 S3 4.3 Chaparral, Closed-cone coniferous forest Burned areas, Disturbed areas, Openings 100 1400 330 4595 Yes 2001-01-01
No Photo Available
Sibara deserti desert winged-rockcress Brassicaceae annual herb Mar-Apr None None G4 S4 4.3 Mojavean desert scrub 345 1300 1130 4265 1974-01-01
No Photo Available
Sisyrinchium funereum Death Valley blue-eyed grass Iridaceae perennial rhizomatous herb Feb-Apr None None G2 S2 1B.3 SB_CalBG/RSABG Foot traffic/trampling, Grazing, Groundwater pumping, Non-native plant impacts, Surface water diversion Meadows and seeps (alkaline) 40 915 130 3000 2001-01-01
No Photo Available
Poa diaboli Diablo Canyon blue grass Poaceae perennial rhizomatous herb Mar-Apr None None G2 S2 1B.2 Grazing, Non-native plant impacts Chaparral (mesic), Cismontane woodland, Closed-cone coniferous forest, Coastal scrub Burned areas (sometimes), Shale 120 400 395 1310 Yes 2005-01-01
No Photo Available
Microseris laciniata ssp. detlingii Detling's silverpuffs Asteraceae perennial herb May-Jun None None G4T3 S1 2B.1 Other Cismontane woodland Clay, Openings 600 1500 1970 4920 2006-11-07 Photo of Microseris laciniata ssp. detlingii
© 2021 Scot Loring
Escobaria chlorantha desert pincushion Cactaceae perennial stem Apr-Sep None None G4 S3 2B.1 SB_CalBG/RSABG Development, Erosion/runoff, Foot traffic/trampling, Grazing, Logging, Mining, Non-native animal impacts, Non-native plant impacts, ORV activity, Other, Over-collecting/poaching, Road/trail construction/maint., Vandalism/dumping/litter Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Carbonate, Gravelly, Rocky 45 1705 150 5595 2006-11-08
No Photo Available
Cirsium arizonicum var. tenuisectum desert mountain thistle Asteraceae perennial herb Jun-Nov None None G5T2 S2 1B.2 SB_CalBG/RSABG Other, Recreational use (non-ORV) Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Disturbed areas, Roadsides (often), Rocky 1500 2800 4920 9185 2006-12-27
No Photo Available
Hedeoma drummondii Drummond's false pennyroyal Lamiaceae perennial herb May-Jul None None G5 S1 2B.2 Great Basin scrub, Pinyon and juniper woodland Carbonate (usually), Gravelly (sometimes), Rocky (sometimes) 1400 1700 4595 5580 2006-12-27 Photo of Hedeoma drummondii
© 2020 Richard Spellenberg
Micromonolepis pusilla dwarf monolepis Chenopodiaceae annual herb May-Aug None None G5 S3? 2B.3 Great Basin scrub Alkaline, Openings 1500 2400 4920 7875 2007-06-13
No Photo Available
Amsinckia douglasiana Douglas' fiddleneck Boraginaceae annual herb Mar-May None None G4 S4 4.2 SB_CalBG/RSABG; SB_SBBG Cismontane woodland, Valley and foothill grassland Dry 0 1950 0 6400 Yes 2007-08-20 Photo of Amsinckia douglasiana
© 2013 Chris Winchell
Teucrium cubense ssp. depressum dwarf germander Lamiaceae annual herb Mar-May(Sep-Nov) None None G4G5T3T4 S1 2B.2 Foot traffic/trampling, ORV activity Desert dunes, Playas (margins), Sonoran desert scrub 45 400 150 1310 2008-09-02
No Photo Available
Loeseliastrum depressum depressed standing-cypress Polemoniaceae annual herb None None G4 S3 4.3 Great Basin scrub, Mojavean desert scrub, Pinyon and juniper woodland Gravelly, Sandy 1220 2100 4005 6890 2008-11-20
No Photo Available
Galium proliferum desert bedstraw Rubiaceae annual herb Mar-Jun None None G5 S2 2B.2 Non-native plant impacts Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland Carbonate, Rocky 1190 1630 3905 5350 2009-01-06 Photo of Galium proliferum
© 2011 Duncan S. Bell
Allium punctum dotted onion Alliaceae perennial bulbiferous herb Apr-May None None G3 S1 2B.2 Pinyon and juniper woodland Rocky 1200 1600 3935 5250 2009-09-08 Photo of Allium punctum
© 2021 Sarah Tona
Mentzelia puberula Darlington's blazing star Loasaceae perennial herb Mar-May None None G5 S2 2B.2 SB_CalBG/RSABG Mojavean desert scrub, Sonoran desert scrub Rocky, Sandy 90 1280 295 4200 2010-02-18
No Photo Available
Penstemon pseudospectabilis ssp. pseudospectabilis desert beardtongue Plantaginaceae perennial herb Jan-May None None G4G5T4 S3 2B.2 ORV activity Mojavean desert scrub, Sonoran desert scrub Rocky (sometimes), Sandy (often), Washes (often) 80 1935 260 6350 2012-04-11
No Photo Available
Sidalcea elegans Del Norte checkerbloom Malvaceae perennial rhizomatous herb May-Jul None None G4? S2? 3.3 Chaparral, Lower montane coniferous forest Serpentine 215 1365 705 4480 2012-07-23
No Photo Available
Eriogonum ovalifolium var. depressum depressed wild buckwheat Polygonaceae perennial herb (Jun)Jul-Aug(Sep) None None G5T4T5 S1 2B.1 Foot traffic/trampling, Grazing Great Basin scrub (playas), Playas 1725 1740 5660 5710 2012-08-23
No Photo Available
Lagophylla diabolensis Diablo Range hare-leaf Asteraceae annual herb Apr-Sep None None G2 S2 1B.2 BLM_S; SB_SBBG Non-native plant impacts, Recreational use (non-ORV), Road/trail construction/maint. Cismontane woodland, Valley and foothill grassland Clay 365 885 1200 2905 Yes 2014-01-17 Photo of Lagophylla diabolensis
© 2015 Ryan O'Dell
Syntrichia lithophila Dusén's twisted moss Pottiaceae moss (saxicolous) None None G4 S1 2B.3 Great Basin scrub, Pinyon and juniper woodland 1280 1280 4200 4200 2023-08-25
No Photo Available
Chylismia munzii Death Valley suncup Onagraceae annual herb Mar-Jun(Nov) None None G3? S3 4.2 Mojavean desert scrub Carbonate (sometimes), Dry, Gravelly, Rocky, Sandy, Slopes, Washes 275 1670 900 5480 2024-01-18
No Photo Available
Phacelia damnationensis Damnation Pass phacelia Hydrophyllaceae perennial herb Jun-Sep None None 1B.3 Lower montane coniferous forest Gravelly, Metamorphic, Openings, Roadsides, Rocky, Sandstone, Shale, Talus 1005 1440 3295 4725 2024-03-07 Photo of Phacelia damnationensis
© 2023 Julie Kierstead Nelson

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 25 April 2024].