Acaena californica
(California sheepburr)
Acanthomintha lanceolata
(Santa Clara thornmint)
Achillea millefolium
(yarrow)
Adelinia grandis
(hound's tongue)
Aesculus californica
(California buckeye)
Allium serra
(serrated onion)
Allium sharsmithiae
(Sharsmith's onion)
Amsinckia grandiflora
(large-flowered fiddleneck)
Amsinckia lunaris
(bent-flowered fiddleneck)
Androsace elongata ssp. acuta
(California androsace)
Aquilegia formosa
(Western columbine)
Arabis blepharophylla
(coast rock cress)
Arbutus menziesii
(Pacific madrone)
Arctostaphylos auriculata
(Mount Diablo manzanita)
Arctostaphylos crustacea ssp. crustacea
(brittleleaf manzanita)
Arctostaphylos glauca
(greatberry manzanita)
Arctostaphylos manzanita ssp. laevigata
(Contra Costa manzanita)
Arctostaphylos pallida
(pallid manzanita)
Aristolochia californica
(pipevine)
Asclepias californica
(California milkweed)
Asclepias fascicularis
(narrow-leaf milkweed)
Aspidotis carlotta-halliae
(lace fern)
Astragalus tener var. tener
(alkali milkvetch)
Atriplex cordulata var. cordulata
Atriplex coronata var. coronata
(crownscale)
Atriplex depressa
(brittlescale)
Atriplex minuscula
(lesser saltscale)
Baccharis pilularis ssp. consanguinea
(coyote brush)
Balsamorhiza deltoidea
Balsamorhiza macrolepis
(big-scale balsamroot)
Blepharizonia plumosa
(big tarplant)
Boechera breweri
(Brewer’s rock cress)
Brodiaea elegans ssp. elegans
(harvest brodiaea)
Brodiaea terrestris
(dwarf brodiaea)
Calandrinia breweri
(Brewer's calandrinia)
California macrophylla
(round-leaved filaree)
Calochortus albus
(white fairy lantern)
Calochortus argillosus
(clay mariposa)
Calochortus clavatus var. pallidus
(clubhair mariposa, pale yellow mariposa)
Calochortus invenustus
(plain mariposa)
Calochortus luteus
(yellow mariposa)
Calochortus pulchellus
(Mount Diablo fairy lantern)
Calochortus splendens
(splendid mariposa)
Calochortus umbellatus
(Oakland star tulip)
Calochortus venustus
(butterfly mariposa)
Calystegia purpurata ssp. saxicola
(coastal bluff morning-glory)
Campanula exigua
(chaparral harebell)
Campanula sharsmithiae
(Sharsmith's harebell)
Carex comosa
(bristly sedge)
Castilleja ambigua ssp. ambigua
(johnny-nip)
Castilleja exserta ssp. exserta
(purple owl’s clover)
Castilleja subinclusa ssp. subinclusa
Caulanthus lemmonii
(Lemmon's jewelflower)
Ceanothus thyrsiflorus
(blue blossom)
Centromadia parryi ssp. congdonii
(Congdon's tarplant)
Chlorogalum pomeridianum var. minus
(dwarf soaproot)
Chlorogalum pomeridianum var. pomeridianum
(soaproot)
Chloropyron maritimum ssp. palustre
(Point Reyes salty bird's-beak)
Chloropyron molle ssp. hispidum
(hispid salty bird's-beak, hispid bird's-beak)
Chloropyron molle ssp. molle
(soft salty bird's-beak, soft bird's-beak)
Chloropyron palmatum
(palmate salty bird's-beak, palmate-bracted bird's-beak)
Chorizanthe cuspidata var. cuspidata
(San Francisco Bay spineflower)
Chorizanthe robusta var. robusta
(robust spineflower)
Cicuta maculata var. bolanderi
Cirsium andrewsii
(Franciscan thistle)
Cirsium cymosum var. cymosum
(peregrine thistle)
Cirsium fontinale var. campylon
(Mount Hamilton fountain thistle)
Cirsium occidentale var. californicum
(California thistle)
Clarkia breweri
(Brewer's clarkia)
Clarkia concinna ssp. automixa
(Santa Clara red ribbons)
Clarkia franciscana
(Presidio clarkia)
Clarkia purpurea ssp. purpurea
(winecup clarkia)
Clarkia unguiculata
(elegant clarkia)
Collinsia tinctoria
(iodine collinsia)
Collomia diversifolia
(serpentine collomia)
Convolvulus simulans
(small-flowered morning-glory)
Cordylanthus nidularius
(Mount Diablo bird's-beak)
Corylus cornuta ssp. californica
(California hazelnut)
Cryptantha hooveri
(Hoover's cryptantha)
Cuscuta californica
(California dodder)
Danthonia californica
(California oatgrass)
Deinandra bacigalupii
(Livermore tarplant)
Delphinium californicum ssp. interius
(Hospital Canyon larkspur)
Delphinium recurvatum
(recurved larkspur)
Deschampsia cespitosa ssp. cespitosa
(tufted hairgrass)
Dichelostemma congestum
(ookow)
Dipterostemon capitatus
(blue dicks)
Dirca occidentalis
(western leatherwood)
Distichlis spicata
(salt grass)
Downingia ornatissima var. mirabilis
Downingia pulchella
(flatface downingia)
Eleocharis parvula
(small spikerush)
Emmenanthe rosea
(pink whispering bells)
Epilobium canum ssp. canum
(California fuchsia)
Eremothera boothii ssp. decorticans
(shredding evening-primrose)
Eriastrum ertterae
(Lime Ridge eriastrum)
Eriogonum luteolum var. caninum
(Tiburon buckwheat)
Eriogonum nudum var. auriculatum
(eared buckwheat)
Eriogonum nudum var. psychicola
(Antioch Dunes buckwheat)
Eriogonum truncatum
(Mount Diablo buckwheat)
Eriogonum umbellatum var. bahiiforme
(bay buckwheat)
Eriophyllum jepsonii
(Jepson's woolly sunflower)
Eryngium aristulatum var. hooveri
(Hoover's button-celery)
Eryngium jepsonii
Eryngium racemosum
(delta button-celery)
Eryngium spinosepalum
Erysimum capitatum var. angustatum
(Contra Costa wallflower)
Erythranthe laciniata
(cut-leaved monkeyflower)
Eschscholzia californica
(California poppy)
Eschscholzia rhombipetala
(diamond-petaled California poppy)
Extriplex joaquinana
(San Joaquin spearscale)
Festuca californica
(California fescue)
Festuca rubra
(red fescue)
Forestiera pubescens
(desert olive)
Frangula californica ssp. californica
(California coffeeberry)
Frankenia salina
(alkali heath)
Fritillaria affinis
(checker lily)
Fritillaria agrestis
(stinkbells)
Fritillaria falcata
(talus fritillary)
Fritillaria liliacea
(fragrant fritillary)
Galium andrewsii ssp. gatense
(phlox-leaf serpentine bedstraw)
Garrya elliptica
(wavy-leaf silk tassel bush)
Grindelia camporum
(Great Valley gumplant)
Grindelia stricta var. angustifolia
(marsh gumplant)
Helenium puberulum
(rosilla)
Helianthella castanea
(Diablo helianthella)
Heracleum maximum
(cow parsnip)
Hesperevax caulescens
(hogwallow starfish)
Hesperolinon breweri
(Brewer’s dwarf flax)
Heteromeles arbutifolia
(toyon)
Hibiscus lasiocarpos var. occidentalis
(rose-mallow)
Hoita strobilina
(Loma Prieta hoita)
Holocarpha macradenia
(Santa Cruz tarplant)
Horkelia californica
(California horkelia)
Horkelia cuneata var. sericea
(Kellogg's horkelia)
Iris douglasiana
(Douglas' iris)
Iris longipetala
(coast iris)
Isocoma arguta
(Carquinez goldenbush)
Jaumea carnosa
Juglans californica
(Southern California black walnut)
Lasthenia californica ssp. californica
(goldfields)
Lasthenia conjugens
(Contra Costa goldfields)
Lasthenia ferrisiae
(Ferris' goldfields)
Lathyrus jepsonii var. jepsonii
(delta tule pea)
Legenere limosa
(legenere)
Lepidium acutidens
(Sharp-toothed peppergrass)
Leptosiphon ambiguus
(serpentine leptosiphon)
Leptosiphon aureus
(bristly leptosiphon)
Leptosiphon grandiflorus
(large-flowered leptosiphon)
Leptosyne hamiltonii
(Mount Hamilton coreopsis)
Lessingia hololeuca
(wooly-headed lessingia)
Lessingia tenuis
(spring lessingia)
Lewisia rediviva var. rediviva
(bitterroot)
Lilaeopsis masonii
(Mason's lilaeopsis)
Lilium rubescens
(redwood lily)
Limonium californicum
(California sea lavender)
Limosella australis
(delta mudwort)
Lonicera involucrata var. ledebourii
(black twinberry)
Lupinus affinis
(fleshy lupine)
Lupinus albifrons var. abramsii
(Abrams' lupine)
Lupinus formosus var. formosus
(summer lupine)
Lupinus latifolius var. latifolius
(wood lupine)
Madia elegans
(elegant tarweed)
Madia radiata
(showy golden madia, showy madia)
Malacothamnus hallii
(Hall's bush-mallow)
Meconella oregana
(Oregon meconella)
Melica californica
(California melic grass)
Mentzelia lindleyi
Microseris sylvatica
(sylvan microseris)
Monolopia gracilens
(woodland woollythreads, woodland monolopia)
Myosurus minimus ssp. apus
(little mousetail)
Navarretia gowenii
(Lime Ridge navarretia)
Navarretia heterandra
(Tehama navarretia)
Navarretia nigelliformis ssp. radians
(adobe navarretia, shining navarretia)
Navarretia prostrata
(prostrate vernal pool navarretia)
Oenothera deltoides ssp. howellii
(Antioch Dunes evening-primrose)
Oenothera elata ssp. hookeri
(evening primrose)
Oxalis oregana
(redwood sorrel)
Papaver californicum
(fire poppy)
Papaver heterophyllum
(wind poppy)
Pedicularis densiflora
(Warrior’s plume)
Penstemon heterophyllus var. heterophyllus
(foothill penstemon)
Perideridia kelloggii
(Kellogg’s yampah)
Phacelia nemoralis
(shade phacelia)
Phacelia phacelioides
(Mount Diablo phacelia)
Pickeringia montana var. montana
(chaparral pea)
Piperia michaelii
(Michael's rein orchid)
Plagiobothrys chorisianus var. chorisianus
(Choris' popcornflower)
Plagiobothrys diffusus
(San Francisco popcornflower)
Plagiobothrys glaber
(hairless popcornflower)
Platanus racemosa
(western sycamore)
Platystemon californicus
(cream cups)
Polemonium carneum
(Oregon polemonium)
Polygonum marinense
(Marin knotweed)
Polystichum munitum
(western sword fern)
Populus fremontii ssp. fremontii
(Fremont cottonwood)
Populus trichocarpa
(black cottonwood)
Potamogeton zosteriformis
(eel-grass pondweed)
Pteridium aquilinum var. pubescens
(bracken fern)
Puccinellia simplex
Quercus agrifolia
(coast live oak)
Quercus douglasii
(blue oak)
Quercus lobata
(valley oak)
Quercus palmeri
(Palmer's oak)
Quercus ×jolonensis
(Jolon oak)
Ranunculus lobbii
(Lobb's aquatic buttercup)
Ribes sanguineum var. glutinosum
(pink flowering currant)
Rubus parviflorus
(thimbleberry)
Rubus ursinus
(California blackberry)
Salicornia pacifica
(pickleweed)
Salvia mellifera
(black sage)
Salvia spathacea
(California hummingbird sage)
Sanicula maritima
(adobe sanicle)
Sanicula saxatilis
(rock sanicle)
Scrophularia californica
(California figwort)
Scutellaria galericulata
(marsh skullcap)
Senecio aphanactis
(chaparral ragwort)
Sequoia sempervirens
(coast redwood)
Sisyrinchium californicum
(golden-eyed-grass)
Spartina foliosa
(Pacific cordgrass)
Spergularia macrotheca var. longistyla
Spergularia macrotheca var. macrotheca
(Sticky sand-spurrey)
Sporobolus airoides
(Alkali sacaton)
Stipa lepida
(foothill needlegrass)
Stipa pulchra
(purple needlegrass)
Streptanthus albidus ssp. peramoenus
(most beautiful jewel-flower)
Streptanthus hispidus
(Mount Diablo jewelflower)
Stuckenia filiformis ssp. alpina
(slender-leaved pondweed)
Suaeda californica
(California seablite)
Symphoricarpos albus var. laevigatus
(snowberry)
Symphyotrichum chilense
(California aster)
Symphyotrichum lentum
(Suisun marsh aster)
Taraxia ovata
(sun cup)
Taxus brevifolia
(pacific yew)
Toxicodendron diversilobum
(poison oak)
Toxicoscordion fremontii
(zigadene, death camas)
Trifolium hydrophilum
(saline clover)
Trillium chloropetalum
(giant trillium)
Triteleia laxa
(Ithuriel's spear)
Tropidocarpum capparideum
(caper-fruited tropidocarpum)
Umbellularia californica
(California bay)
Viburnum ellipticum
(oval-leaved viburnum)
Wyethia helenioides
(gray mule’s ears)
Zostera marina
(eel-grass)
