A2-ranked (4-6 populations)

Scientific NameNotesRarity RanksCommon Name
Acanthomintha lanceolataCNPS-EB: *A2
State CNPS: 4.2		Santa Clara thornmint
Allium amplectensCNPS-EB: A2narrow-leaved onion
Allium bolanderi var. bolanderiCNPS-EB: A2Bolander's onion
Allium falcifoliumCNPS-EB: A2sickle-leaved onion
Allium sharsmithiaeCNPS-EB: *A2
State CNPS: 1B.3		Sharsmith's onion
Alnus rubra(A. rhombifolia is more commonCNPS-EB: A2red alder
Ammannia coccineaCNPS-EB: A2long-leaved ammannia
Amsinckia eastwoodiaeCNPS-EB: A2Eastwood's fiddleneck
Amsinckia lunarisCNPS-EB: *A2
State CNPS: 1B.2		bent-flowered fiddleneck
Androsace elongata subsp. acutaCNPS-EB: *A2
State CNPS: 4.2		California androsace
Antirrhinum kelloggiiCNPS-EB: A2lax snapdragon
Aphyllon epigalium subsp. epigaliumCNPS-EB: A2
Apocynum androsaemifoliumCNPS-EB: A2bitter dogbane, dogbane
Aquilegia eximia(A. formosa is more common)CNPS-EB: A2Van Houtte's columbine
Arctostaphylos auriculataCNPS-EB: *A2
State CNPS: 1B.3		Mount Diablo manzanita
Arctostaphylos glandulosa subsp. glandulosaCNPS-EB: A2Eastwood manzanita
Arctostaphylos manzanita subsp. laevigataCNPS-EB: *A2
State CNPS: 1B.2		Contra Costa manzanita
Arctostaphylos manzanita subsp. manzanitaCNPS-EB: A2common manzanita
Arctostaphylos pallidaCNPS-EB: *A2
State CNPS: 1B.1
FESA Status: FT
CESA Status: CE		pallid manzanita
Artemisia dracunculusCNPS-EB: A2tarragon
Arthrocnemum subterminaleCNPS-EB: A2Parish's glasswort
Asclepias cordifolia(A. californica is more commonCNPS-EB: A2purple milkweed
Aspidotis californicaCNPS-EB: A2California lace fern
Astragalus tener var. tenerCNPS-EB: *A2
State CNPS: 1B.2		alkali milkvetch
Atriplex coronata var. coronataCNPS-EB: *A2
State CNPS: 4.2		crownscale
Atriplex depressaCNPS-EB: *A2
State CNPS: 1B.2		brittlescale
Atriplex minusculaCNPS-EB: *A2
State CNPS: 1B.1		lesser saltscale
Blepharizonia plumosaCNPS-EB: *A2
State CNPS: 1B.1		big tarplant
Calamagrostis rubescensCNPS-EB: A2pine reed grass, pine grass
Calandrinia breweriCNPS-EB: *A2
State CNPS: 4.2		Brewer's calandrinia
Calochortus pulchellusCNPS-EB: *A2
State CNPS: 1B.2		Mount Diablo fairy-lantern
Calochortus umbellatusCNPS-EB: *A2
State CNPS: 4.2		Oakland star-tulip
Calycadenia multiglandulosaCNPS-EB: A2sticky calycadenia
Camissonia strigulosaCNPS-EB: A2contorted primrose
Camissoniopsis hirtellaCNPS-EB: A2small primrose
Carex brevicaulisCNPS-EB: A2short-stemmed sedge
Carex leptopoda(formerly Carex deweyana subsp leptopodaCNPS-EB: A2slender-footed sedge, short-scaled sedge
Castilleja ambigua subsp. ambiguaCNPS-EB: *A2
State CNPS: 4.2		Johnny-nip
Castilleja applegatei subsp. martiniiCNPS-EB: A2wavy-leaved indian paintbrush
Caulanthus flavescensCNPS-EB: A2yellow-flowered thelypodium
Centromadia parryi subsp. congdonii(formerly Hemizonia p. ssp. c.CNPS-EB: *A2
State CNPS: 1B.1		Congdon's tarplant
Cephalanthus occidentalisCNPS-EB: A2button bush
Chloropyron molle subsp. molleCNPS-EB: *A2
State CNPS: 1B.2
FESA Status: FE
CESA Status: CR		soft salty bird's-beak, soft bird's-beak
Chrysolepis chrysophylla var. minorCNPS-EB: A2golden chinquapin
Cicendia quadrangularisCNPS-EB: A2timwort
Cirsium fontinale var. campylonCNPS-EB: *A2
State CNPS: 1B.2		Mount Hamilton fountain thistle
Cirsium quercetorumCNPS-EB: A2brownie thistle
Clarkia biloba subsp. bilobaCNPS-EB: A2lobed godetia
Clarkia concinna subsp. automixa(ssp. concinna is more common)CNPS-EB: *A2
State CNPS: 4.3		Santa Clara red ribbons
Clarkia purpurea subsp. purpurea(ssp. quadrivulnera is more coCNPS-EB: A2purple clarkia
Collinsia tinctoriaCNPS-EB: A2iodine collinsia
Convolvulus simulansCNPS-EB: *A2
State CNPS: 4.2		small-flowered morning-glory
Corallorhiza maculata var. maculata(forma immaculata is more commCNPS-EB: A2spotted coralroot
Cordylanthus rigidus subsp. rigidusCNPS-EB: A2stiffly-branched bird's-beak
Cornus glabrataCNPS-EB: A2brown dogwood
Croton californicusCNPS-EB: A2California croton
Cryptantha clevelandii var. florosaCNPS-EB: A2Cleveland's cryptantha
Cryptantha corollataformerly C. decipiens. Also includes previous records for C. rattaniiCNPS-EB: A2Coast Range cryptantha
Cryptantha micromeresCNPS-EB: A2minute-flowered cryptantha
Cryptantha microstachysCNPS-EB: A2Tejon cryptantha
Cuscuta campestrisCNPS-EB: A2field dodder
Cyperus nigerCNPS-EB: A2black sedge
Deinandra corymbosa(formerly Hemizonia corymbosa)CNPS-EB: A2coast tarweed
Delphinium californicum subsp. interiusCNPS-EB: *A2
State CNPS: 1B.2		Hospital Canyon larkspur
Delphinium parryi subsp. parryiCNPS-EB: A2Parry's larkspur
Dicentra formosaCNPS-EB: A2Pacific bleeding heart, bleeding heart
Diplacus rattanii(formerly Mimulus rattanii)CNPS-EB: A2Rattan monkeyflower
Dirca occidentalisCNPS-EB: *A2
State CNPS: 1B.2		western leatherwood
Dudleya farinosaCNPS-EB: A2bluff lettuce, powdery dudleya
Echinodorus berteroiCNPS-EB: A2burhead
Elatine californicaCNPS-EB: A2waterwort
Enemion occidentale(formerly Isopyrum o.)CNPS-EB: A2western rue-anemone
Enemion stipitatum(formerly Isopyrum s.)CNPS-EB: A2Siskiyou rue-anemone
Epilobium torreyiCNPS-EB: A2narrow-leaved boisduvalia
Equisetum laevigatumCNPS-EB: A2smooth scouring rush
Eragrostis hypnoidesCNPS-EB: A2
Eriastrum abramsiiCNPS-EB: A2Abram's eriastrum
Eriogonum covilleanumCNPS-EB: A2Coville's wild buckwheat, Coville's eriogonum
Eriogonum fasciculatum var. polifoliumCNPS-EB: A2Mojave desert California buckwheat, California buckwheat
Eriogonum luteolum var. caninumCNPS-EB: *A2
State CNPS: 1B.2		Tiburon buckwheat
Eriogonum roseumCNPS-EB: A2wand wild buckwheat, virgate buckwheat
Eriogonum umbellatum var. bahiiformePreviously mis-recorded as var. smallianum which does not occur in the East BayCNPS-EB: *A2
State CNPS: 4.2		Small's sulphur flower, bay buckwheat
Eriophyllum jepsoniiCNPS-EB: *A2
State CNPS: 4.3		Jepson's woolly sunflower
Eriophyllum staechadifoliumCNPS-EB: A2seaside woolly sunflower, lizard-tail
Eryngium aristulatum var. aristulatumCNPS-EB: A2
Eryngium castrenseCNPS-EB: A2great valley coyote-thistle, Vasey's coyote-thistle
Eryngium jepsoniiCNPS-EB: *A2
State CNPS: 1B.2
Eryngium spinosepalumCNPS-EB: *A2
State CNPS: 1B.2
Extriplex joaquinanaCNPS-EB: *A2
State CNPS: 1B.2		San Joaquin spearscale, San Joaquin saltbush
Festuca elmeriCNPS-EB: A2Elmer's fescue
Fritillaria agrestisCNPS-EB: *A2
State CNPS: 4.2		stinkbells
Fritillaria liliaceaCNPS-EB: *A2
State CNPS: 1B.2		fragrant fritillary
Galium andrewsii subsp. gatenseCNPS-EB: *A2
State CNPS: 4.2		phlox-leaf serpentine bedstraw, serpentine bedstraw
Githopsis diffusa subsp. robustaCNPS-EB: A2southern bluecup
Helianthella castaneaCNPS-EB: *A2
State CNPS: 1B.2		Diablo helianthella
Hesperevax caulescens(H. sparsiflora is more commonCNPS-EB: *A2
State CNPS: 4.2		hogwallow starfish
Hesperolinon breweriCNPS-EB: *A2
State CNPS: 1B.2		Brewer's western flax
Hesperolinon micranthumCNPS-EB: A2small-flowered dwarf flax
Hibiscus lasiocarpos var. occidentalisCNPS-EB: *A2
State CNPS: 1B.2		rose-mallow
Holocarpha macradeniaCNPS-EB: *A2
State CNPS: 1B.1
FESA Status: FT
CESA Status: CE		Santa Cruz tarplant
Hordeum jubatum subsp. jubatumCNPS-EB: A2foxtail barley, squirreltail barley
Horkelia californica var. elataCNPS-EB: A2tall horkelia
Hosackia crassifolia var. crassifoliaCNPS-EB: A2broad-leaved lotus
Lastarriaea coriaceaCNPS-EB: A2leather-spineflower, lastarriaea
Lasthenia conjugensCNPS-EB: *A2
State CNPS: 1B.1
FESA Status: FE		Contra Costa goldfields
Lasthenia glabrata subsp. glabrataCNPS-EB: A2yellow-ray goldfields
Lathyrus jepsonii var. jepsoniiCNPS-EB: *A2
State CNPS: 1B.2		delta tule pea, Delta tule pea
Lepidium oxycarpumCNPS-EB: A2sharp-podded pepper-grass
Leptochloa fusca subsp. fascicularisCNPS-EB: A2bearded sprangletop
Leptosiphon ambiguus(formerly Linanthus a.)CNPS-EB: *A2
State CNPS: 4.2		serpentine leptosiphon, serpentine linanthus
Leptosiphon aureus(formerly L.acicularis, Linanthus acicularis)CNPS-EB: *A2
State CNPS: 4.2		bristly leptosiphon, bristly linanthus
Leptosiphon parviflorus(formerly Linanthus p.)CNPS-EB: A2small-flowered linanthus, small-flowered leptosiphon
Lessingia nemacladaCNPS-EB: A2slender-stemmed lessignia
Lessingia pectinata var. tenuipesCNPS-EB: A2valley lessingia
Lessingia tenuisCNPS-EB: *A2
State CNPS: 4.3		spring lessingia
Lewisia rediviva var. redivivaCNPS-EB: A2bitterroot
Ligusticum apiifoliumCNPS-EB: A2Pacific lovage
Lilaeopsis masoniiCNPS-EB: *A2
State CNPS: 1B.1
CESA Status: CR		Mason's lilaeopsis
Limosella acaulisCNPS-EB: A2southern mudwort
Lupinus arboreusCNPS-EB: A2yellow bush lupine
Malacothamnus hallii(M. fasciculatus in Jepson ManCNPS-EB: *A2
State CNPS: 1B.2		Hall's bush-mallow
Malacothrix clevelandiiCNPS-EB: A2Cleveland's malacothrix
Meconella oreganaCNPS-EB: *A2
State CNPS: 1B.1		Oregon meconella
Mentzelia dispersaCNPS-EB: A2Nada stick-leaf
Mentzelia micranthaCNPS-EB: A2small-flowered stick-leaf
Micropus californicus var. subvestitus(var. californicus is more common)CNPS-EB: A2slender cottonweed
Microseris campestrisCNPS-EB: A2San Joaquin microseris
Microseris douglasii subsp. tenella(subsp douglasii is more common)CNPS-EB: A2silver puffs
Microseris sylvaticaCNPS-EB: *A2
State CNPS: 4.2		sylvan microseris
Moehringia macrophyllaCNPS-EB: A2large-leaved sandwort, big-leaf sandwort
Monolopia gracilensCNPS-EB: *A2
State CNPS: 1B.2		woodland woollythreads, woodland monolopia
Myosurus sessilisCNPS-EB: A2sessile mouse-tail
Navarretia atractyloidesCNPS-EB: A2holly-leaved navarretia
Navarretia cotulifoliaCNPS-EB: *A2
State CNPS: 4.2		cotula navarretia
Navarretia goweniiCNPS-EB: *A2
State CNPS: 1B.1		Lime Ridge navarretia
Navarretia intertextaCNPS-EB: A2needle-leaved navarretia
Navarretia nigelliformis subsp. radiansCNPS-EB: *A2
State CNPS: 1B.2		shining navarretia
Navarretia prostrataCNPS-EB: *A2
State CNPS: 1B.2		prostrate vernal pool navarretia
Navarretia viscidulaCNPS-EB: A2sticky navarretia
Oenothera deltoides subsp. howelliiCNPS-EB: *A2
State CNPS: 1B.1
FESA Status: FE
CESA Status: CE		Antioch Dunes evening-primrose
Oenothera deltoides subsp. julpunensisCNPS-EB: A2
Panicum capillareCNPS-EB: A2witch grass
Pectocarya penicillataCNPS-EB: A2northern pectocarya, winged pectocarya
Penstemon heterophyllus var. purdyiCNPS-EB: A2foothill penstemon
Perideridia oreganaCNPS-EB: A2yampah
Phacelia malvifolia var. malvifoliaCNPS-EB: A2stinging phacelia
Phacelia phacelioidesCNPS-EB: *A2
State CNPS: 1B.2		Mount Diablo phacelia
Phacelia ramosissimaCNPS-EB: A2branching phacelia
Pinus attenuataCNPS-EB: A2knobcone pine
Piperia michaeliiCNPS-EB: *A2
State CNPS: 4.2		Michael's rein-orchid
Plagiobothrys humistratusCNPS-EB: A2low popcornflower, dwarf allocarya
Plagiobothrys undulatusCNPS-EB: A2wavy-stemmed popcornflower, coast allocarya
Plantago subnudaCNPS-EB: A2Mexican plantain
Poa howelliiCNPS-EB: A2Howell's bluegrass
Pogogyne zizyphoroidesCNPS-EB: A2Sacramento beardstyle
Potentilla anserina subsp. pacificaCNPS-EB: A2Pacific silverweed
Pseudognaphalium microcephalum(formerly Gnaphalium canescensCNPS-EB: A2white everlasting
Puccinellia simplexCNPS-EB: *A2
State CNPS: 1B.2		little alkali grass
Quercus palmeriCNPS-EB: A2Palmer's oak
Ranunculus lobbiiCNPS-EB: *A2
State CNPS: 4.2		Lobb's aquatic buttercup
Ravenella exiguaFormerly Campanula exiguaCNPS-EB: *A2
State CNPS: 1B.2		chaparral harebell
Ravenella griffiniiFormerly Campanula griffiniiCNPS-EB: A2Griffin's campanula
Rhinotropis californica(formerly Polygala californica)CNPS-EB: A2California milkwort
Ribes aureum var. gracillimumCNPS-EB: A2golden currant
Ribes quercetorumCNPS-EB: A2oakwoods gooseberry, oak gooseberry
Rumex crassus(formerly R. salicifolius var. crassusCNPS-EB: A2willow dock
Rumex fueginusCNPS-EB: A2golden dock
Rumex occidentalisCNPS-EB: A2western dock
Salix scoulerianaCNPS-EB: A2Scouler's willow
Sanicula laciniataCNPS-EB: A2coast sanicle
Sanicula saxatilisCNPS-EB: *A2
State CNPS: 1B.2
CESA Status: CR		rock sanicle
Scutellaria siphocampyloidesCNPS-EB: A2gray-leaved skullcap
Sedella pentandra(formorely Parvisedum pentandrCNPS-EB: A2Mount Hamilton sedella
Sedum radiatum subsp. radiatum(formerly S. radiatum)CNPS-EB: A2coast range stonecrop, star-fruited stonecrop
Senecio hydrophilusCNPS-EB: A2water ragwort, alkali-marsh ragwort, alkali-marsh butterweed
Sidalcea diploscyphaCNPS-EB: A2fringed checkerbloom, fringed sidalcea
Spergularia macrotheca var. longistylaCNPS-EB: *A2
State CNPS: 1B.2		large-flowered sand spurry
Spergularia macrotheca var. macrothecaCNPS-EB: A2large-flowered sand spurry
Sporobolus foliosusFormerly Spartina foliosaCNPS-EB: A2California cord grass
Stachys ajugoides(var. rigida is more common)CNPS-EB: A2bugle hedge nettle
Streptanthus albidus subsp. peramoenusCNPS-EB: *A2
State CNPS: 1B.2		most beautiful jewel-flower
Streptanthus hispidusCNPS-EB: *A2
State CNPS: 1B.3		Mount Diablo jewelflower
Symphyotrichum lanceolatum var. hesperium(formerly Aster lanceolatus ssCNPS-EB: A2marsh aster
Symphyotrichum lentum(formerly Aster lentus)CNPS-EB: *A2
State CNPS: 1B.2		Suisun marsh aster
Trifolium grayiCNPS-EB: A2Gray's clover
Trifolium hydrophilum(vars. amplectens and truncatuCNPS-EB: *A2
State CNPS: 1B.2		saline clover
Triglochin concinna var. concinna(T. maritima is more common)CNPS-EB: A2seaside arrow-grass, slender arrow-grass
Triodanis bifloraCNPS-EB: A2Venus' looking-glass
Trisetum canescensCNPS-EB: A2tall trisetum
Viburnum ellipticumCNPS-EB: *A2
State CNPS: 2B.3		oval-leaved viburnum
Viola douglasiiCNPS-EB: A2Douglas' violet, golden violet
Viola glabellaCNPS-EB: A2stream violet, smooth yellow violet
Viola sempervirensCNPS-EB: A2evergreen violet, redwood violet
Viola sheltoniiCNPS-EB: A2Shelton's violet, fan violet

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