| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Acaena californica | (formerly A. pinnatifida var. californica) | CNPS-EB: CBR | California acaena |
| Acer negundo | CNPS-EB: CBR | box elder | |
| Acer negundo var. unknown | CNPS-EB: CBR | box elder | |
| Actaea rubra | CNPS-EB: CBR | baneberry | |
| Agoseris apargioides var. apargioides | CNPS-EB: CBR | seaside agoseris | |
| Agoseris heterophylla var. heterophylla | CNPS-EB: CBR | ||
| Alisma triviale | (formerly A. plantago-aquatica | CNPS-EB: CBR | water plantain |
| Allium unifolium | CNPS-EB: CBR | one-leaved onion | |
| Amaranthus powellii | CNPS-EB: CBR | Powell's amaranth | |
| Ambrosia chamissonis | CNPS-EB: CBR | beach bur-sage, beach-bur | |
| Amsinckia lycopsoides | CNPS-EB: CBR | bugloss-flowered fiddleneck, bugloss fiddleneck | |
| Ancistrocarphus filagineus | CNPS-EB: CBR | woolly fishhooks | |
| Antirrhinum vexillocalyculatum subsp. vexillocalyculatum | CNPS-EB: CBR | wiry snapdragon | |
| Aphyllon franciscanum | CNPS-EB: CBR | ||
| Aphyllon purpureum | CNPS-EB: CBR | naked broomrape | |
| Apiastrum angustifolium | CNPS-EB: CBR | wild celery | |
| Aquilegia formosa | CNPS-EB: CBR | red columbine | |
| Aralia californica | CNPS-EB: CBR | elk clover | |
| Arbutus menziesii | CNPS-EB: CBR | Pacific madrone | |
| Arceuthobium campylopodum | (formerly A. occidentale) | CNPS-EB: CBR | western dwarf mistletoe, foothill pine dwarf mistletoe |
| Arctostaphylos crustacea subsp. crustacea | CNPS-EB: CBR | brittleleaf manzanita | |
| Arctostaphylos glauca | CNPS-EB: CBR | big-berried manzanita | |
| Aristolochia californica | CNPS-EB: CBR | Dutchman's pipe, pipevine | |
| Asclepias californica | CNPS-EB: CBR | California milkweed | |
| Astragalus asymmetricus | CNPS-EB: CBR | San Joaquin locoweeed | |
| Astragalus breweri | CNPS-EB: CBR State CNPS: 4.2 | Brewer's milkvetch | |
| Atriplex cordulata | CNPS-EB: CBR | ||
| Atriplex erecticaulis | CNPS-EB: CBR | Earlimart orach | |
| Atriplex lentiformis | CNPS-EB: CBR | big saltbush | |
| Atriplex vallicola | CNPS-EB: CBR | Lost Hills crownscale | |
| Berberis pinnata subsp. pinnata | CNPS-EB: CBR | California barberry | |
| Blennosperma nanum var. nanum | CNPS-EB: CBR | blennosperma | |
| Brickellia californica | CNPS-EB: CBR | California brickellbush, California brickellia | |
| Calochortus luteus | CNPS-EB: CBR | yellow mariposa lily | |
| Calochortus venustus | CNPS-EB: CBR | butterfly mariposa-lily | |
| Calycadenia truncata | CNPS-EB: CBR | rosin weed | |
| Carex heteroneura | CNPS-EB: CBR | various-nerved sedge | |
| Carex serratodens | CNPS-EB: CBR | saw-toothed sedge, bifid sedge | |
| Carex tumulicola | CNPS-EB: CBR | foothill sedge | |
| Ceanothus cuneatus var. cuneatus | CNPS-EB: CBR | buck brush | |
| Cercocarpus betuloides var. betuloides | CNPS-EB: CBR | birch-leaf mountain-mahogany | |
| Chorizanthe membranacea | CNPS-EB: CBR | pink spineflower | |
| Clarkia affinis | CNPS-EB: CBR | small clarkia | |
| Clarkia concinna subsp. concinna | CNPS-EB: CBR | large godetia | |
| Claytonia exigua subsp. exigua | CNPS-EB: CBR | common montia | |
| Collinsia bartsiifolia var. davidsonii | CNPS-EB: CBR | ||
| Collinsia sparsiflora var. collina | CNPS-EB: CBR | few-flowered blue-eyed Mary | |
| Corethrogyne filaginifolia | (formerly Lessingia f. var. f. | CNPS-EB: CBR | California aster |
| Cryptantha intermedia var. intermedia | CNPS-EB: CBR | common cryptantha | |
| Cryptantha muricata var. jonesii | CNPS-EB: CBR | Jones' cryptantha | |
| Cryptantha rattanii | CNPS-EB: CBR | Rattan's cryptantha, gravel cryptantha | |
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | CNPS-EB: CBR | salt-marsh dodder |
| Cuscuta salina | CNPS-EB: CBR | salt dodder | |
| Cystopteris fragilis | CNPS-EB: CBR | fragile fern | |
| Datisca glomerata | CNPS-EB: CBR | durango root | |
| Deinandra lobbii | (formerly Hemizonia l.) | CNPS-EB: CBR | three-rayed tarweed |
| Delphinium decorum subsp. decorum | CNPS-EB: CBR | coast larkspur | |
| Delphinium gracilentum | CNPS-EB: CBR | slender larkspur, Greene's larkspur, meadow larkspur | |
| Delphinium hesperium subsp. pallescens | CNPS-EB: CBR | pale-flowered western larkspur, western larkspur | |
| Delphinium nudicaule | CNPS-EB: CBR | red larkspur, orange larkspur | |
| Delphinium variegatum subsp. variegatum | CNPS-EB: CBR | royal larkspur | |
| Draba verna | CNPS-EB: CBR | spring whitlow-grass | |
| Elymus glaucus subsp. glaucus | CNPS-EB: CBR | blue wildrye | |
| Emmenanthe penduliflora | (formerly E. penduliflora var. penduliflora) | CNPS-EB: CBR | whispering bells |
| Emmenanthe rosea | (formerly E. penduliflora var. rosea) | CNPS-EB: CBR | |
| Epilobium densiflorum | CNPS-EB: CBR | dense-flowered boisduvalia | |
| Eriastrum sapphirinum | (historical-1889) | CNPS-EB: CBR | sapphire eriastrum |
| Eriogonum gracile var. gracile | CNPS-EB: CBR | slender woolly wild buckwheat, slender buckwheat | |
| Eriogonum latifolium | CNPS-EB: CBR | seaside wild buckwheat, coast buckwheat | |
| Eriophyllum lanatum var. achilleoides | CNPS-EB: CBR | woolly sunflower | |
| Eriophyllum wallacei | CNPS-EB: CBR | Wallace's woolly daisy | |
| Eryngium vaseyi var. vallicola | CNPS-EB: CBR | coyote-thistle, Vasey's coyote-thistle | |
| Erysimum capitatum var. capitatum | CNPS-EB: CBR | western wallflower | |
| Erythranthe androsacea | (formerly Mimulus androsaceus) | CNPS-EB: CBR | androsace monkeyflower |
| Erythranthe cardinalis | (formerly Mimulus c.) | CNPS-EB: CBR | scarlet monkeyflower |
| Erythranthe floribunda | (formerly Mimulus floribundus) | CNPS-EB: CBR | floriferous monkeyflower |
| Erythranthe laciniata | (formerly Mimulus laciniatus) | CNPS-EB: CBR State CNPS: 4.3 | cut-leaved monkeyflower |
| Eucrypta chrysanthemifolia var. chrysanthemifolia | CNPS-EB: CBR | eucrypta | |
| Euphorbia serpillifolia subsp. serpillifolia | CNPS-EB: CBR | thyme-leaved spurge | |
| Festuca microstachys | CNPS-EB: CBR | hairy-leaved fescue | |
| Gilia achilleifolia subsp. achilleifolia | (ssp. multicaulis is more comm | CNPS-EB: CBR | California gilia |
| Gilia capitata subsp. staminea | CNPS-EB: CBR | blue field gilia | |
| Gilia clivorum | CNPS-EB: CBR | purplespot gilia, grassland gilia | |
| Gilia tricolor subsp. tricolor | CNPS-EB: CBR | birds-eye gilia | |
| Githopsis specularioides | CNPS-EB: CBR | common bluecup | |
| Glyceria ×occidentalis | CNPS-EB: CBR | western manna grass | |
| Glycyrrhiza lepidota | CNPS-EB: CBR | wild licorice | |
| Grindelia hirsutula | CNPS-EB: CBR | hirsute grindelia | |
| Grindelia stricta var. angustifolia | CNPS-EB: CBR | marsh gumplant | |
| Grindelia stricta var. platyphylla | (var. angustifolia is more com | CNPS-EB: CBR | Pacific grindelia |
| Gruvelia pusilla | (formerly Pectocarya pusilla) | CNPS-EB: CBR | little pectocarya |
| Gutierrezia californica | CNPS-EB: CBR | California matchweed | |
| Heuchera micrantha | CNPS-EB: CBR | alumroot | |
| Hoita macrostachya | CNPS-EB: CBR | California hemp | |
| Hoita strobilina | (historical-1865) | CNPS-EB: CBR State CNPS: 1B.1 | Loma Prieta hoita |
| Hornungia procumbens | CNPS-EB: CBR | prostrate hutchinsia | |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: CBR | low club-rush |
| Jaumea carnosa | CNPS-EB: CBR | jaumea | |
| Juglans hindsii | (formerly J. californica var. | CNPS-EB: CBR | northern California black walnut, Northern California black |
| Juncus ambiguus | CNPS-EB: CBR | frog rush, toad-rush | |
| Juniperus californica | Scattered locations. Common on Diablo. Recently removed from summit of MssnPk.<br>Regeneration? | CNPS-EB: CBR | California juniper |
| Lepechinia calycina | CNPS-EB: CBR | pitcher sage | |
| Lepidium acutidens | CNPS-EB: CBR | sharp-toothed pepper-grass | |
| Lepidium nitidum | CNPS-EB: CBR | shining pepper-grass | |
| Leptosiphon androsaceus | (formerly Linanthus a.) | CNPS-EB: CBR | common linanthus, common leptosiphon |
| Lessingia ramulosa | CNPS-EB: CBR | ||
| Lomatium californicum | CNPS-EB: CBR | California lomatium | |
| Lomatium nudicaule | CNPS-EB: CBR | pestle lomatium | |
| Lonicera involucrata var. ledebourii | CNPS-EB: CBR | black twinberry | |
| Lonicera subspicata var. denudata | CNPS-EB: CBR | moronel | |
| Ludwigia hexapetala | CNPS-EB: CBR | uruguayan primrose-willow, ludwigia | |
| Ludwigia peploides subsp. peploides | CNPS-EB: CBR | yellow water-primrose | |
| Lupinus albifrons var. abramsii | CNPS-EB: CBR | Abrams' lupine | |
| Luzula macrantha | (formerly Linanthus a.) | CNPS-EB: CBR | |
| Lysimachia latifolia | CNPS-EB: CBR | Pacific starflower | |
| Madia elegans | (formerly M. e. ssp. densifoli | CNPS-EB: CBR | common madia |
| Madia exigua | CNPS-EB: CBR | ||
| Malacothamnus fremontii var. fremontii | CNPS-EB: CBR | white-coat mallow | |
| Malacothrix floccifera | (formerly Linanthus a.) | CNPS-EB: CBR | woolly malacothrix |
| Mentha arvensis | CNPS-EB: CBR | field mint, marsh mint | |
| Mentzelia tridentata | (historical-1937) | CNPS-EB: CBR | creamy blazing star, desert stick-leaf |
| Monardella sheltonii | CNPS-EB: CBR | Shelton's monardella | |
| Navarretia leucocephala subsp. leucocephala | CNPS-EB: CBR | white-flowered navarretia | |
| Navarretia mellita | CNPS-EB: CBR | honey-scented navarretia | |
| Navarretia pubescens | CNPS-EB: CBR | downy navarretia | |
| Osmorhiza brachypoda | CNPS-EB: CBR | California cicely | |
| Packera breweri | (formerly Senecio b.) | CNPS-EB: CBR | Brewer's ragwort, Brewer's butterweed |
| Pellaea mucronata var. mucronata | CNPS-EB: CBR | bird's-foot fern | |
| Persicaria punctata | (formerly Polygonum punctatum) | CNPS-EB: CBR | water smartweed |
| Phacelia breweri | CNPS-EB: CBR | Brewer's phacelia | |
| Phacelia nemoralis var. nemoralis | CNPS-EB: CBR | stinging phacelia | |
| Pholistoma auritum var. auritum | CNPS-EB: CBR | fiesta flower | |
| Phoradendron leucarpum subsp. macrophyllum | (formerly P. serotinum subsp. macrophyllum, P. macrophyllum) | CNPS-EB: CBR | big leaf mistletoe |
| Phragmites australis | CNPS-EB: CBR | common reed | |
| Phyla nodiflora | (var. nodiflora is more commo | CNPS-EB: CBR | narrow-leaved fog-fruit |
| Physocarpus capitatus | CNPS-EB: CBR | ninebark | |
| Plagiobothrys canescens var. canescens | CNPS-EB: CBR | valley popcornflower | |
| Plagiobothrys trachycarpus | CNPS-EB: CBR | rough-nutlet popcornflower, rough-fruited allocarya | |
| Plectritis ciliosa | CNPS-EB: CBR | long-spurred plectritis | |
| Plectritis congesta subsp. brachystemon | CNPS-EB: CBR | pale plectritis | |
| Primula clevelandii var. patula | CNPS-EB: CBR | lowland shooting star | |
| Prosartes hookeri | (formerly Disporum h.) | CNPS-EB: CBR | fairy bells |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | CNPS-EB: CBR | fragrant everlasting |
| Ptelea crenulata | CNPS-EB: CBR | western hop tree | |
| Quercus chrysolepis | CNPS-EB: CBR | maul oak, canyon live oak, shrubby canyon oak | |
| Rafinesquia californica | CNPS-EB: CBR | California chicory | |
| Ranunculus aquatilis var. aquatilis | CNPS-EB: CBR | ||
| Ranunculus canus var. canus | CNPS-EB: CBR | Sacramento Valley buttercup | |
| Rhamnus ilicifolia | CNPS-EB: CBR | hollyleaf redberry | |
| Ribes divaricatum var. pubiflorum | CNPS-EB: CBR | straggle bush, straggly gooseberry | |
| Ribes malvaceum var. malvaceum | CNPS-EB: CBR | chaparral currant | |
| Ribes sanguineum var. glutinosum | CNPS-EB: CBR | red flowering currant | |
| Rigiopappus leptocladus | CNPS-EB: CBR | rigiopappus | |
| Rosa nutkana subsp. nutkana | CNPS-EB: CBR | Nootka rose | |
| Rosa spithamea | CNPS-EB: CBR | coast ground rose, ground rose | |
| Sabulina douglasii | (formerly Minuartia douglasii) | CNPS-EB: CBR | Douglas' stitchwort, Douglas sandwort |
| Salvia columbariae | CNPS-EB: CBR | chia | |
| Sanicula tuberosa | CNPS-EB: CBR | turkey-pea | |
| Scirpus microcarpus | CNPS-EB: CBR | small-fruited bulrush | |
| Scutellaria lateriflora | ? | CNPS-EB: CBR | side-flowering skullcap, blue skullcap |
| Scutellaria tuberosa | CNPS-EB: CBR | Dannie's skullcap | |
| Senecio aronicoides | CNPS-EB: CBR | rayless ragwort, California butterweed | |
| Sidalcea malviflora subsp. laciniata | CNPS-EB: CBR | geranium-leaved checkerbloom, checkerbloom | |
| Sidalcea malviflora subsp. malviflora | (ssp. laciniata is more common | CNPS-EB: CBR | checkerbloom |
| Solanum umbelliferum var. xanti | May not occur in East Bay (S. umbelliferum is more common) | CNPS-EB: CBR | purple nightshade |
| Stachys pycnantha | CNPS-EB: CBR | short-spiked hedge nettle | |
| Stebbinsoseris heterocarpa | CNPS-EB: CBR | grassland silverpuffs, derived microseris | |
| Stellaria nitens | CNPS-EB: CBR | shining chickweed | |
| Stephanomeria virgata subsp. pleurocarpa | CNPS-EB: CBR | tall stephanomeria | |
| Taraxia ovata | CNPS-EB: CBR | sun cup | |
| Tauschia hartwegii | CNPS-EB: CBR | Hartweg's tauschia | |
| Tellima grandiflora | CNPS-EB: CBR | fringe cups | |
| Trifolium albopurpureum | CNPS-EB: CBR | indian clover | |
| Trifolium depauperatum var. depauperatum | (vars. amplectens and truncatu | CNPS-EB: CBR | dwarf sack clover |
| Trifolium dichotomum | CNPS-EB: CBR | branched indian clover | |
| Trifolium oliganthum | CNPS-EB: CBR | few-flowered clover | |
| Triglochin maritima | CNPS-EB: CBR | common arrow-grass, seaside arrow-grass | |
| Triglochin scilloides | CNPS-EB: CBR | flowering-quillwort | |
| Veronica americana | (V. anagallis- aquatica is mor | CNPS-EB: CBR | American brooklime |
| Veronica catenata | CNPS-EB: CBR | chain speedwell | |
| Vicia gigantea | CNPS-EB: CBR | giant vetch | |
| Viola pedunculata | CNPS-EB: CBR | Johnny-jump-up | |
| Viola purpurea subsp. quercetorum | CNPS-EB: CBR | mountain violet | |
| Wyethia glabra | (W. helenioides is more common | CNPS-EB: CBR | mule ears |
| Yabea microcarpa | CNPS-EB: CBR | California hedge parsley |