Limited/Threatened Habitat

Scientific NameLocal RankCNPS Rank
Abronia latifoliaA1x
Abronia umbellata var. umbellataA1x
Acanthomintha lanceolata*A24
Adiantum aleuticumA1
Alisma trivialeC
Allenrolfea occidentalisB-PV
Allium acuminatumA1
Allium bolanderi var. bolanderiA1
Allium falcifoliumA2
Allium sharsmithiae*A21B
Alopecurus saccatusB
Ambrosia chamissonisC
Ammannia coccineaA2
Ancistrocarphus filagineusC
Anemopsis californicaB
Aphyllon californicum subsp. jepsoniiA1
Aphyllon pinorumA1
Apocynum cannabinumB
Aquilegia eximiaA2
Arabis blepharophylla*A1x4
Aralia californicaB-PV
Artemisia pycnocephalaA1x
Arthrocnemum subterminaleA2
Aspidotis carlotta-halliae*A1x4
Astragalus tener var. tener*A21B
Atriplex argentea var. expansaB
Atriplex coronata var. coronata*A24
Atriplex depressa*A21B
Atriplex dioicaA1x
Atriplex fruticulosaB
Atriplex leucophyllaB
Atriplex minuscula*A21B
Balsamorhiza macrolepis*A11B
Berula erectaC
Bidens frondosaB
Bidens laevisA2
Boechera breweri subsp. breweriB-PV
Bolboschoenus fluviatilisA1x
Bolboschoenus maritimus subsp. paludosusC
Calystegia sepium subsp. limnophilaB
Calystegia soldanellaA1x
Camissoniopsis cheiranthifolia subsp. cheiranthifoliaA1
Campanula exigua*A21B
Campanula griffiniiA1
Carex aquatilis var. divesA1
Carex barbaraeC
Carex leptopodaA2
Carex nudataB
Carex obnuptaB
Carex sentaA1
Caulanthus flavescensA2
Centromadia parryi subsp. congdonii*A21B
Cephalanthus occidentalisA2
Chlorogalum pomeridianum var. minus*A11B
Chloropyron maritimum subsp. palustre*A1x1B
Chloropyron molle subsp. hispidum*A11B
Chloropyron molle subsp. molle*A21B
Chloropyron palmatum*A11B
Chorizanthe cuspidata var. cuspidata*A1x1B
Chorizanthe robusta var. robusta*A1x1B
Cirsium andrewsii*A11B
Clarkia breweri*A14
Clarkia franciscana*A11B
Claytonia gypsophiloidesB
Clematis ligusticifoliaC
Clintonia andrewsianaA1
Collomia diversifolia*A14
Cordylanthus nidularius*A11B
Cornus glabrataA1
Cornus sericea subsp. occidentalisC
Cornus sericea subsp. sericeaC
Cornus sericea subsp. unknownC?
Crassula aquaticaB
Crassula solieriA1x
Croton californicusA2
Cryptantha clevelandii var. florosaA2
Cyperus erythrorhizosB
Cyperus odoratusA1
Cyperus strigosusA1
Danthonia californicaB-PV
Datisca glomerataC
Deinandra bacigalupii*A11B
Deschampsia cespitosa subsp. holciformisB
Deschampsia danthonioidesB-PV
Diplacus douglasiiA2
Diplacus tricolorA1x
Downingia bellaA1x
Downingia cuspidataA1
Downingia insignisA1
Downingia ornatissima var. mirabilisA1x
Downingia pulchellaB
Echinodorus berteroiA2
Eclipta prostrataA1
Elatine brachyspermaA1
Elatine californicaA1
Eleocharis acicularis var. acicularisB
Eleocharis parishiiA1
Eleocharis parvula*A14
Eleocharis rostellataA1x
Elymus mollis subsp. mollisA1x
Elymus multisetusB-PV
Epilobium campestreB
Epilobium ciliatum subsp. watsoniiA1
Epilobium cleistogamumA1
Epilobium torreyiA2
Epipactis giganteaA1
Equisetum laevigatumA2
Erigeron philadelphicus var. philadelphicusC
Eriogonum luteolum var. caninum*A21B
Eriogonum umbellatum var. bahiiforme*A24
Eriophyllum jepsonii*A24
Eriophyllum staechadifoliumA2
Eryngium aristulatum var. aristulatumA2
Eryngium aristulatum var. hooveri*A11B
Eryngium armatumA1
Eryngium articulatumA1
Eryngium castrenseA2
Eryngium vaseyi var. vallicolaA1
Erysimum capitatum var. angustatum*A11B
Erythranthe cf. scouleriA1
Erythranthe latidensA1
Erythranthe nasutaB
Extriplex joaquinana*A21B
Festuca californicaB-PV
Festuca idahoensisB-PV
Festuca rubraB-PV
Fritillaria falcata*A11B
Galium trifidum subsp. columbianumA1
Galium triflorumB
Gilia capitata subsp. stamineaB-PV
Gilia capitata subsp. unknownA1?
Helenium bigeloviiA2
Helianthus californicusB
Hesperevax caulescens*A24
Hesperocyparis sargentiiA1
Hesperolinon breweri*A21B
Hesperolinon californicumB-PV
Hesperolinon clevelandiiA2
Hibiscus lasiocarpos var. occidentalis*A21B
Hordeum brachyantherum subsp. californicumA1
Hordeum depressumB
Hosackia oblongifolia var. oblongifoliaA1?
Hydrocotyle ranunculoidesA2
Hydrocotyle verticillataB
Isocoma arguta*A1x1B
Isoetes howelliiA1
Isolepis cernuaC
Juncus bufonius var. occidentalisA1x
Juncus lescuriiA1
Juncus phaeocephalus var. paniculatusA2
Juncus phaeocephalus var. phaeocephalusB
Juncus phaeocephalus var. unknownA2?
Koeleria macranthaB-PV
Lasthenia conjugens*A21B
Lasthenia fremontiiA1
Lasthenia glaberrimaB
Lasthenia glabrata subsp. glabrataA2
Lasthenia maritimaA1x
Lasthenia platycarphaA1
Lathyrus jepsonii var. jepsonii*A21B
Layia glandulosaA1x
Leersia oryzoidesA1
Legenere limosa*A11B
Lepidium acutidensC
Lepidium dictyotumB
Lepidium latipesB-PV
Lepidium oxycarpumA2
Leptosiphon ambiguus*A24
Lessingia hololeuca*A1x3
Lewisia rediviva var. redivivaA2
Lilaeopsis masonii*A21B
Lilium pardalinum subsp. pardalinumA1
Limnanthes douglasii subsp. niveaA1x
Limnanthes douglasii subsp. roseaA1x
Limonium californicumB-PV
Limosella acaulisA1
Ludwigia palustrisA1x
Lupinus arboreusA2
Lupinus chamissonisA1x
Lycopus americanusA2
Lycopus asperA1
Lythrum californicumB
Madia radiata*A1x1B
Microseris bigeloviiA1x
Monardella douglasiiA2
Montia fontanaB-PV
Myosotis laxaA1x
Myosurus minimus subsp. apus*A1?3
Myosurus minimus subsp. minimusB-PV
Myosurus sessilisA2
Navarretia cotulifolia*A24
Navarretia heterandra*A14
Navarretia intertextaA2
Navarretia nigelliformis subsp. nigelliformis*A2?4
Navarretia nigelliformis subsp. radians*A11B
Navarretia prostrata*A11B
Nitrophila occidentalisA1
Oenothera deltoides subsp. howellii*A21B
Oenothera deltoides subsp. julpunensisA1
Oenothera elata subsp. hookeriC
Oxalis smallianaA1
Perideridia californicaC
Persicaria hydropiperoidesA2
Persicaria lapathifoliaB
Persicaria punctataC
Phacelia phacelioides*A21B
Phalaris arundinaceaA1
Pilularia americanaA1
Plagiobothrys acanthocarpusB-PV
Plagiobothrys glaber*A11A
Plagiobothrys humistratusA2
Plagiobothrys leptocladusA1
Plagiobothrys stipitatus var. stipitatusC
Plantago elongataB-PV
Plantago maritimaA1
Plantago subnudaA2
Platanus racemosaC
Pleuropogon californicus var. californicusB-PV
Pluchea odorata var. odorataB-PV
Poa douglasiiA1x
Pogogyne douglasiiA1x
Pogogyne zizyphoroidesA2
Populus trichocarpaC
Potentilla anserina subsp. pacificaA2
Psilocarphus brevissimus var. brevissimusB
Psilocarphus brevissimus var. multiflorus*A1?4
Psilocarphus chilensisA1
Psilocarphus oregonusA2
Puccinellia nutkaensisA1x
Puccinellia nuttallianaA1
Puccinellia simplex*A21B
Quercus durata var. durataB
Ranunculus lobbii*A24
Ranunculus orthorhynchus var. bloomeriA1x
Rumex californicusB-PV
Rumex crassusA2
Rumex fueginusA2
Rumex occidentalisA2
Rumex salicifoliusB
Rumex salicifolius var. unknownA2?
Sagittaria latifoliaA1x
Salix gooddingiiB
Salix scoulerianaA2
Sanicula arctopoidesA1x
Sanicula saxatilis*A21B
Scirpus microcarpusC
Sedella pentandraA1
Senecio aphanactis*A1x2B
Senecio hydrophilusA2
Sequoia sempervirensB
Sesuvium verrucosumB
Sisyrinchium californicumA1
Sium suaveA1
Sparganium eurycarpum var. eurycarpumA1
Sparganium eurycarpum var. greeneiA1
Spartina foliosaA2
Spergularia macrotheca var. leucanthaA1
Spergularia macrotheca var. longistyla*A21B
Spergularia macrotheca var. macrothecaA2
Spergularia macrotheca var. unknownA2?
Spiranthes romanzoffianaA1
Sporobolus airoidesA1
Stachys ajugoidesA2
Stachys albensB
Stipa cernuaB-PV
Stipa pulchraB-PV
Streptanthus breweriA1
Suaeda nigraB
Symphyotrichum lentum*A21B
Symphyotrichum subulatum var. parviflorumB
Tolmiea diplomenziesiiA1x
Trianthema portulacastrumA1x
Trifolium hydrophilum*A21B
Triglochin concinna var. concinnaA1
Triglochin maritimaC
Triglochin scilloidesC
Triglochin striataB
Trillium ovatum subsp. ovatumA2
Verbena hastataA1
Viola sempervirensA2