Species With One Current Population

Scientific NameNotesRarity RanksCommon Name
Allium crispumCNPS-EB: A1crinkled onion
Amaranthus palmeriCNPS-EB: A1Palmer's amaranth
Ammannia coccineaCNPS-EB: A1long-leaved ammannia
Amsinckia tessellata var. gloriosaCNPS-EB: A1carrizo fiddleneck, tessellate fiddleneck
Amsinckia vernicosaCNPS-EB: A1waxy fiddleneck, forked fiddleneck
Arctostaphylos crustacea subsp. roseiCNPS-EB: A1Rose's manzanita
Argemone munitaCNPS-EB: A1chicalote, prickly poppy
Athysanus unilateralis(formerly Heterodraba unilateralis)CNPS-EB: A1heterodraba
Atriplex serenana var. serenanaCNPS-EB: A1bractscale
Berberis nervosa(B. pinnata is more common)CNPS-EB: A1Oregon grape
Bromus sitchensis var. maritimus(formerly B. maritimus)CNPS-EB: A1maritime brome, seaside brome grass
Calochortus clavatus var. pallidusCNPS-EB: A1club-haired mariposa-lily
Camissoniopsis cheiranthifolia subsp. cheiranthifoliaCNPS-EB: A1dune suncup
Carex aquatilis var. divesCNPS-EB: A1Sitka sedge
Carex graciliorCNPS-EB: A1slender sedge
Carex laeviculmisCNPS-EB: A1smooth-stemmed sedge
Carex leporina(formerly Carex ovalis)CNPS-EB: A1hare sedge, oval sedge, mountain hare sedge
Carex multicostataCNPS-EB: A1many-ribbed sedge
Carex unilateralisCNPS-EB: A1one-sided sedge
Castilleja exserta subsp. latifoliaCNPS-EB: A1owl's-clover
Chaenactis glabriuscula var. glabriusculaCNPS-EB: A1yellow pincushion
Chaenactis glabriuscula var. megacephalaCNPS-EB: A1yellow pincushion
Chlorogalum pomeridianum var. minusCNPS-EB: *A1
State CNPS: 1B.2
Global Rank: G5T3
CNDDB Rank: S3
DWARF SOAPROOT
Chloropyron molle subsp. hispidumCNPS-EB: *A1
State CNPS: 1B.1
Global Rank: G2T1
CNDDB Rank: S1
hispid salty bird's-beak, hispid bird's-beak
Cirsium andrewsiiCNPS-EB: *A1
State CNPS: 1B.2
Global Rank: G3
CNDDB Rank: S3
Franciscan thistle
Cirsium remotifolium var. odontolepisCNPS-EB: A1remote-leaved thistle
Clarkia breweriCNPS-EB: *A1
State CNPS: 4.2
Global Rank: G4
CNDDB Rank: S4
Brewer's clarkia
Clarkia epilobioidesCNPS-EB: A1
Collomia diversifoliaCNPS-EB: *A1
State CNPS: 4.3
Global Rank: G4
CNDDB Rank: S4
serpentine collomia
Cryptantha intermedia var. intermediaCNPS-EB: A1common cryptantha
Cuscuta indecora var. indecoraCNPS-EB: A1large-seeded dodder, pretty dodder
Cyperus strigosusCNPS-EB: A1false nutsedge, straw-colored cyperus
Delphinium gypsophilumCNPS-EB: A1gypsum-loving larkspur
Diplacus bolanderi(formerly Mimulus b.)CNPS-EB: A1Bolander's monkeyflower
Dudleya cymosa subsp. cymosa(ssp. paniculata is more common)CNPS-EB: A1spreading dudleya
Elatine brachyspermaCNPS-EB: A1waterwort
Epilobium ciliatum subsp. watsonii(ssp. ciliatum is more common)CNPS-EB: A1San Francisco willowherb
Epipactis giganteaCNPS-EB: A1stream orchid
Eremalche exilisCNPS-EB: A1WHITE MALLOW
Eriastrum pluriflorum subsp. pluriflorumCNPS-EB: A1many-flowered eriastrum
Erigeron reductus var. angustatusCNPS-EB: A1California rayless daisy
Eryngium spinosepalumCNPS-EB: *A1
State CNPS: 1B.2
Global Rank: G2
CNDDB Rank: S2
Erythranthe inconspicuaCNPS-EB: A1*
State CNPS: 4.3
Global Rank: G4
CNDDB Rank: S4
Euonymus occidentalis var. occidentalisCNPS-EB: A1burning bush
Galium porrigens var. tenue(var. porrigens is more commonCNPS-EB: A1climbing bedstraw
Gaultheria shallonCNPS-EB: A1salal
Glyceria leptostachyaCNPS-EB: A1narrow manna grass, Davy's mannagrass
Hesperocyparis sargentii(formerly Cupressus s.)CNPS-EB: A1Sargent cypress
Heterotheca oregona var. scaberrimaCNPS-EB: A1Oregon goldenaster
Hosackia stipularis var. stipularisCNPS-EB: A1stipulate lotus
Idahoa scapigeraCNPS-EB: A1flat-pod
Lasthenia minorCNPS-EB: A1coastal goldfields, woolly goldfields
Lasthenia platycarphaCNPS-EB: A1alkali goldfields
Legenere limosaCNPS-EB: *A1
State CNPS: 1B.1
Global Rank: G2
CNDDB Rank: S2
legenere
Leptochloa fusca subsp. fascicularisCNPS-EB: A1bearded sprangletop
Leptosyne calliopsidea(formerly Coreopsis c.)CNPS-EB: A1leafy-stemmed coreopsis
Leptosyne hamiltonii(formerly Coreopsis h.)CNPS-EB: *A1
State CNPS: 1B.2
Global Rank: G2
CNDDB Rank: S2
Mount Hamilton coreopsis
Lessingia ramulosaCNPS-EB: A1
Lycopus asperCNPS-EB: A1bugleweed
Lysimachia minima(formerly Anagallis minima, Centunculus minimus)CNPS-EB: A1chaffweed
Malacothrix coulteriCNPS-EB: A1snake's-head
Meconella californicaCNPS-EB: A1California meconella
Melica bulbosaCNPS-EB: A1onion grass
Melica subulataCNPS-EB: A1
Microseris elegansCNPS-EB: A1elegant microseris
Mirabilis laevis var. crassifolia(formerly M. californica)CNPS-EB: A1wishbone bush, California four o'clock
Monolopia lanceolataCNPS-EB: A1common hillside daisy, common monolopia
Myosotis laxaCNPS-EB: A1BAY FORGET-ME-NOT
Myosurus minimus subsp. apusCNPS-EB: *A1
State CNPS: 3.1
Global Rank: G5T2Q
CNDDB Rank: S2
little mousetail
Nicotiana attenuataCNPS-EB: A1coyote tobacco
Oxalis oreganaCNPS-EB: A1redwood sorrel
Parietaria hespera var. californicaCNPS-EB: A1California pellitory
Petasites frigidus var. palmatusCNPS-EB: A1western sweet coltsfoot, coltsfoot
Petunia parvifloraCNPS-EB: A1wild petunia
Phacelia douglasiiCNPS-EB: A1Douglas' phacelia
Phacelia suaveolensCNPS-EB: A1sweet-scented phacelia
Plagiobothrys glaberCNPS-EB: *A1
State CNPS: 1A
Global Rank: GX
CNDDB Rank: SX
hairless popcornflower
Polystichum californicumCNPS-EB: A1California sword fern
Psilocarphus chilensis(formerly P. tenellus var. gloCNPS-EB: A1round woolly marbles, round woolly-marbles
Puccinellia nuttallianaCNPS-EB: A1Nuttall's alkali grass
Quercus agrifolia x wislizeniCNPS-EB: A1coast live oak x interior live oak
Quercus garryana x durataCNPS-EB: A1Oregon oak x leather oak
Quercus xeplingiiCNPS-EB: A1Oregon oak x blue oak
Ribes speciosumCNPS-EB: A1fuchsia-flowered gooseberry
Romanzoffia californicaCNPS-EB: A1Suksdorf's romanzoffia
Sabulina californica(formerly Minuartia californica)CNPS-EB: A1California sandwort
Sabulina pusilla(formerly Minuartia pusilla)CNPS-EB: A1annual sandwort, least sandwort
Salvia spathaceaCNPS-EB: A1California hummingbird sage, hummingbird sage
Silene lemmoniiCNPS-EB: A1LEMMON'S CATCHFLY
Sparganium eurycarpum var. greeneiCNPS-EB: A1Greene's bur-reed
Spergularia macrotheca var. unknownCNPS-EB: A2?large-flowered sand spurry
Spiranthes romanzoffianaCNPS-EB: A1hooded ladies' tresses
Streptanthus breweriCNPS-EB: A1Brewer's streptanthus
Taxus brevifoliaCNPS-EB: A1PACIFIC YEW
Trifolium macraeiCNPS-EB: A1Macrae's clover, double-headed clover
Tropidocarpum capparideumCNPS-EB: *A1
State CNPS: 1B.1
Global Rank: G1
CNDDB Rank: S1
caper-fruited tropidocarpum
Verbena hastataCNPS-EB: A1blue vervain
Viola purpurea subsp. purpureaCNPS-EB: A1mountain violet
Wolffia brasiliensisCNPS-EB: *A1
State CNPS: 2B.3
Global Rank: G5
CNDDB Rank: S2
BRAZILIAN WATERMEAL