| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Acanthomintha lanceolata | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4 CNDDB Rank: S4 | Santa Clara thornmint | |
| Acmispon strigosus | CNPS-EB: B | strigose trefoil | |
| Agoseris heterophylla var. cryptopleura | CNPS-EB: B | ||
| Agoseris heterophylla var. heterophylla | CNPS-EB: C | ||
| Agoseris heterophylla var. unknown | Agoseris heterophylla split into 2 vars. in 2011 Jepson Manual, need field work to resolve vars. | CNPS-EB: B? | annual agoseris |
| Agoseris retrorsa | CNPS-EB: A2 | spear-leaved agoseris | |
| Agrostis hallii | CNPS-EB: A2 | Hall's bent grass | |
| Allium amplectens | CNPS-EB: A2 | narrow-leaved onion | |
| Allium bolanderi var. bolanderi | CNPS-EB: A1 | Bolander's onion | |
| Allophyllum gilioides subsp. gilioides | CNPS-EB: A2 | straggling gilia | |
| Allophyllum gilioides subsp. violaceum | (ssp. gilioides is more common | CNPS-EB: B | straggling gilia |
| Alopecurus saccatus | CNPS-EB: B | Howell's meadow foxtail | |
| Amaranthus blitoides | CNPS-EB: C | procumbent pigweed, prostrate amaranth | |
| Amaranthus californicus | CNPS-EB: B | Californian amaranth | |
| Amelanchier utahensis | CNPS-EB: C | Utah service-berry | |
| Ancistrocarphus filagineus | CNPS-EB: C | woolly fishhooks | |
| Androsace elongata subsp. acuta | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G5?T3T4 CNDDB Rank: S3S4 | California androsace | |
| Anemopsis californica | CNPS-EB: B | yerba mansa, lizard tail | |
| Antirrhinum thompsonii | (formerly A. multiflorum) | CNPS-EB: A1 | withered snapdragon |
| Aphyllon purpureum | CNPS-EB: C | naked broomrape | |
| Aphyllon tuberosum | CNPS-EB: C | bulbous broom-rape | |
| Aphyllon vallicola | CNPS-EB: B | California broom-rape | |
| Apiastrum angustifolium | CNPS-EB: C | wild celery | |
| Apocynum cannabinum | CNPS-EB: B | dogbane, Indian-hemp | |
| Aquilegia eximia | (A. formosa is more common) | CNPS-EB: A2 | Van Houtte's columbine |
| Aralia californica | CNPS-EB: C | elk clover | |
| Arbutus menziesii | CNPS-EB: B | Pacific madrone | |
| Arctostaphylos crustacea subsp. crustacea | CNPS-EB: C | brittleleaf manzanita | |
| Arctostaphylos glauca | CNPS-EB: C | big-berried manzanita | |
| Artemisia dracunculus | CNPS-EB: A1 | tarragon | |
| Asclepias speciosa | (A. californica is more common | CNPS-EB: B | showy milkweed, milkweed |
| Astragalus asymmetricus | CNPS-EB: C | San Joaquin locoweeed | |
| Berula erecta | CNPS-EB: C | cutleaf water-parsnip | |
| Bidens frondosa | CNPS-EB: B | sticktight | |
| Blepharizonia laxa | (formerly B. plumosa ssp. visc | CNPS-EB: B | big tarplant |
| Boechera breweri subsp. breweri | (formerly Arabis breweri) | CNPS-EB: B | Brewer's rockcress |
| Brickellia californica | CNPS-EB: C | California brickellbush, California brickellia | |
| Camissonia contorta | CNPS-EB: C | contorted primrose | |
| Camissonia strigulosa | CNPS-EB: A1 | contorted primrose | |
| Camissoniopsis hirtella | CNPS-EB: B | small primrose | |
| Campanula exigua | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | chaparral harebell | |
| Carex barbarae | CNPS-EB: C | whiteroot sedge, Santa Barbara sedge, St. Barbara's sedge | |
| Carex leporina | (formerly Carex ovalis) | CNPS-EB: A1 | hare sedge, oval sedge, mountain hare sedge |
| Carex nebrascensis | CNPS-EB: B | Nebraska sedge | |
| Carex nudata | CNPS-EB: B | torrent sedge | |
| Carex praegracilis | CNPS-EB: C | black creeper sedge, freeway sedge, deer-bed sedge | |
| Carex serratodens | CNPS-EB: C | saw-toothed sedge, bifid sedge | |
| Castilleja wightii | CNPS-EB: B | Wight's indian paintbrush | |
| Chaenactis glabriuscula var. glabriuscula | CNPS-EB: A1 | yellow pincushion | |
| Chaenactis glabriuscula var. heterocarpha | CNPS-EB: A1 | inner coast range pincushion, yellow pincushion | |
| Chorizanthe polygonoides var. polygonoides | CNPS-EB: A1 | knotweed spineflower | |
| Cirsium cymosum var. cymosum | CNPS-EB: C | peregrine thistle | |
| Cirsium occidentale var. californicum | (var. venustum is more common) | CNPS-EB: A2 | California thistle |
| Clarkia concinna subsp. automixa | (ssp. concinna is more common) | CNPS-EB: *A2 State CNPS: 4.3 Global Rank: G5?T3 CNDDB Rank: S3 | Santa Clara red ribbons |
| Clarkia concinna subsp. concinna | CNPS-EB: C | large godetia | |
| Clarkia gracilis subsp. gracilis | CNPS-EB: C | summer's darling | |
| Clarkia rhomboidea | CNPS-EB: A1 | ||
| Claytonia exigua subsp. exigua | CNPS-EB: C | common montia | |
| Claytonia gypsophiloides | CNPS-EB: B | coast range montia | |
| Clematis ligusticifolia | CNPS-EB: C | western virgin's bower, virgin's bower | |
| Collinsia parviflora | CNPS-EB: B | blue-eyed Mary | |
| Collinsia sparsiflora var. sparsiflora | CNPS-EB: C | few-flowered blue-eyed Mary | |
| Cordylanthus pilosus subsp. pilosus | CNPS-EB: B | hairy bird's-beak | |
| Cordylanthus rigidus subsp. rigidus | CNPS-EB: A1 | stiffly-branched bird's-beak | |
| Corethrogyne filaginifolia | (formerly Lessingia f. var. f. | CNPS-EB: C | California aster |
| Cornus sericea subsp. occidentalis | CNPS-EB: C | western dogwood | |
| Cornus sericea subsp. sericea | CNPS-EB: C | American dogwood | |
| Crocidium multicaule | CNPS-EB: A1 | spring gold | |
| Cryptantha corollata | formerly C. decipiens. Also includes previous records for C. rattanii | CNPS-EB: A2 | COAST RANGE CRYPTANTHA |
| Cuscuta californica var. californica | CNPS-EB: A2 | California dodder | |
| Cuscuta subinclusa | CNPS-EB: C | canyon dodder | |
| Datisca glomerata | CNPS-EB: C | durango root | |
| Delphinium californicum subsp. interius | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G3T3 CNDDB Rank: S3 | Hospital Canyon larkspur | |
| Delphinium nudicaule | CNPS-EB: C | red larkspur, orange larkspur | |
| Delphinium variegatum subsp. variegatum | CNPS-EB: C | royal larkspur | |
| Deschampsia cespitosa subsp. cespitosa | CNPS-EB: C | tufted hairgrass | |
| Deschampsia danthonioides | CNPS-EB: C | annual hair grass | |
| Deschampsia elongata | CNPS-EB: C | slender hair grass | |
| Diplacus bolanderi | (formerly Mimulus b.) | CNPS-EB: A1 | Bolander's monkeyflower |
| Diplacus douglasii | (formerly Mimulus d.) | CNPS-EB: A2 | Douglas monkeyflower |
| Diplacus rattanii | (formerly Mimulus rattanii) | CNPS-EB: A2 | Rattan monkeyflower |
| Draba cuneifolia | CNPS-EB: A1 | Sonora draba | |
| Dudleya cymosa subsp. paniculata | CNPS-EB: B | spreading dudleya | |
| Echinodorus berteroi | CNPS-EB: A2 | burhead | |
| Elatine californica | CNPS-EB: A2 | waterwort | |
| Eleocharis acicularis var. acicularis | CNPS-EB: B | needle spike-rush | |
| Elymus elymoides var. elymoides | CNPS-EB: B | squirreltail | |
| Elymus multisetus | CNPS-EB: C | big squirreltail | |
| Elymus xhansenii | CNPS-EB: B | Hansen squirreltail | |
| Enemion occidentale | (formerly Isopyrum o.) | CNPS-EB: A2 | western rue-anemone |
| Enemion stipitatum | (formerly Isopyrum s.) | CNPS-EB: A2 | Siskiyou rue-anemone |
| Epilobium campestre | CNPS-EB: B | smooth boisduvalia | |
| Epilobium torreyi | CNPS-EB: A2 | narrow-leaved boisduvalia | |
| Eremothera boothii subsp. decorticans | (formerly Camissonia boothii subsp. decorticans) | CNPS-EB: A1 | shredding evening-primrose |
| Ericameria arborescens | CNPS-EB: B | golden-fleece | |
| Ericameria nauseosa var. mohavensis | CNPS-EB: A2 | Mojave rabbitbrush, rubber rabbitbrush | |
| Erigeron philadelphicus var. philadelphicus | CNPS-EB: C | fleabane | |
| Erigeron reductus var. angustatus | CNPS-EB: A1 | California rayless daisy | |
| Eriogonum angulosum | CNPS-EB: B | angle-stem wild buckwheat, angle-stemmed eriogonum | |
| Eriogonum fasciculatum var. foliolosum | CNPS-EB: A1 | leafy California buckwheat, California buckwheat | |
| Eriogonum fasciculatum var. polifolium | CNPS-EB: A2 | Mojave desert California buckwheat, California buckwheat | |
| Eriogonum gracile var. gracile | CNPS-EB: C | slender woolly wild buckwheat, slender buckwheat | |
| Eriogonum roseum | CNPS-EB: A2 | wand wild buckwheat, virgate buckwheat | |
| Eriogonum umbellatum var. bahiiforme | Previously mis-recorded as var. smallianum which does not occur in the East Bay | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G5T3 CNDDB Rank: S3 | Small's sulphur flower, bay buckwheat |
| Eriogonum wrightii var. trachygonum | CNPS-EB: C | rough-node bastard-sage, Wright's eriogonum | |
| Eriophyllum jepsonii | CNPS-EB: *A2 State CNPS: 4.3 Global Rank: G3 CNDDB Rank: S3 | Jepson's woolly sunflower | |
| Eryngium castrense | CNPS-EB: A2 | great valley coyote-thistle, Vasey's coyote-thistle | |
| Erythranthe nasuta | CNPS-EB: B | shy monkeyflower | |
| Euphorbia serpillifolia subsp. serpillifolia | CNPS-EB: C | thyme-leaved spurge | |
| Festuca californica | CNPS-EB: C | California fescue | |
| Festuca elmeri | CNPS-EB: A1 | Elmer's fescue | |
| Festuca idahoensis | CNPS-EB: C | Idaho fescue, blue bunchgrass | |
| Festuca octoflora | CNPS-EB: A2 | sixweeks grass, slender fescue | |
| Frangula californica subsp. tomentella | (formerly Rhamnus t.) | CNPS-EB: B | hoary coffeeberry |
| Galium andrewsii subsp. gatense | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G5T3 CNDDB Rank: S3 | phlox-leaf serpentine bedstraw, serpentine bedstraw | |
| Galium triflorum | CNPS-EB: C | sweet-scented bedstraw | |
| Garrya elliptica | CNPS-EB: B | silk tassel bush | |
| Gilia capitata subsp. staminea | CNPS-EB: C | blue field gilia | |
| Gilia tricolor subsp. diffusa | CNPS-EB: C | birds-eye gilia | |
| Githopsis diffusa subsp. robusta | CNPS-EB: A2 | southern bluecup | |
| Githopsis specularioides | CNPS-EB: B | common bluecup | |
| Glycyrrhiza lepidota | CNPS-EB: C | wild licorice | |
| Gruvelia pusilla | (formerly Pectocarya pusilla) | CNPS-EB: B | little pectocarya |
| Gutierrezia californica | CNPS-EB: C | California matchweed | |
| Helianthella californica var. californica | CNPS-EB: A2 | California helianthella | |
| Helianthus californicus | CNPS-EB: C | California sunflower | |
| Hesperolinon californicum | CNPS-EB: C | California dwarf flax | |
| Heterocodon rariflorum | CNPS-EB: A1 | heterocodon | |
| Heterotheca oregona var. rudis | CNPS-EB: A1 | Oregon goldenaster | |
| Heterotheca oregona var. scaberrima | CNPS-EB: A1 | Oregon goldenaster | |
| Heterotheca sessiliflora subsp. bolanderi | (H. s. ssp. echioides is more | CNPS-EB: C | Bolander goldenaster |
| Hieracium albiflorum | CNPS-EB: C | white hawkweed | |
| Hoita macrostachya | CNPS-EB: B | California hemp | |
| Holozonia filipes | CNPS-EB: A2 | whitecrown, holozonia | |
| Horkelia californica var. elata | CNPS-EB: A2 | tall horkelia | |
| Horkelia californica var. frondosa | CNPS-EB: B | leafy horkelia | |
| Hydrophyllum occidentale | CNPS-EB: A1 | western waterleaf | |
| Idahoa scapigera | CNPS-EB: A1 | flat-pod | |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: C | low club-rush |
| Juncus mexicanus | CNPS-EB: C | Mexican rush | |
| Juniperus californica | CNPS-EB: C | California juniper | |
| Keckiella corymbosa | CNPS-EB: C | redwood penstemon | |
| Koeleria macrantha | CNPS-EB: C | june grass | |
| Laennecia coulteri | (formerly Conyza c.) | CNPS-EB: A1 | Coulter's horseweed, Coulter's conyza |
| Lasthenia glaberrima | CNPS-EB: B | smooth goldfields | |
| Lathyrus jepsonii var. californicus | CNPS-EB: B | buff pea | |
| Layia gaillardioides | CNPS-EB: A2 | woodland layia | |
| Layia platyglossa | CNPS-EB: B | tidy-tips | |
| Legenere limosa | CNPS-EB: *A1 State CNPS: 1B.1 Global Rank: G2 CNDDB Rank: S2 | legenere | |
| Lepechinia calycina | CNPS-EB: C | pitcher sage | |
| Leptosiphon ambiguus | (formerly Linanthus a.) | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4 CNDDB Rank: S4 | serpentine leptosiphon, serpentine linanthus |
| Leptosiphon androsaceus | (formerly Linanthus a.) | CNPS-EB: C | common linanthus, common leptosiphon |
| Leptosiphon bolanderi | (formerly Linanthus b.) | CNPS-EB: A1 | Bolander's linanthus, Bolander's leptosiphon |
| Leptosiphon parviflorus | (formerly Linanthus p.) | CNPS-EB: B | small-flowered linanthus, small-flowered leptosiphon |
| Leptosyne hamiltonii | (formerly Coreopsis h.) | CNPS-EB: *A1 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Mount Hamilton coreopsis |
| Lessingia nemaclada | CNPS-EB: A2 | slender-stemmed lessignia | |
| Lewisia rediviva var. rediviva | CNPS-EB: A2 | bitterroot | |
| Limnanthes douglasii subsp. douglasii | CNPS-EB: A1 | meadowfoam | |
| Limosella acaulis | CNPS-EB: A1 | southern mudwort | |
| Linanthus dichotomus subsp. dichotomus | CNPS-EB: A1 | EVENING SNOW | |
| Linanthus dichotomus subsp. meridianus | CNPS-EB: A1 | ||
| Lithophragma parviflorum var. parviflorum | CNPS-EB: B | prairie star | |
| Madia exigua | CNPS-EB: C | ||
| Malacothamnus fremontii var. fremontii | CNPS-EB: C | white-coat mallow | |
| Malacothrix floccifera | CNPS-EB: C | woolly malacothrix | |
| Melica bulbosa | CNPS-EB: A1 | onion grass | |
| Melica californica | CNPS-EB: C | California melic | |
| Mentha canadensis | CNPS-EB: B | American cornmint, Japanese peppermint | |
| Mentzelia lindleyi | CNPS-EB: B | Lindley's blazing star | |
| Micropus californicus var. subvestitus | (var. californicus is more common) | CNPS-EB: A2 | slender cottonweed |
| Microseris douglasii subsp. tenella | (subsp douglasii is more common) | CNPS-EB: A2 | silver puffs |
| Microseris elegans | CNPS-EB: A1 | elegant microseris | |
| Mimetanthe pilosa | (formerly Mimulus pilosus) | CNPS-EB: B | downy monkeyflower |
| Moehringia macrophylla | CNPS-EB: A2 | large-leaved sandwort, big-leaf sandwort | |
| Monardella douglasii | CNPS-EB: A2 | fenestra monardella, Fenestra monardella | |
| Monolopia major | CNPS-EB: B | cupped monolopia | |
| Montia fontana | CNPS-EB: C | water chickweed, blinks, water chickweed | |
| Myosurus minimus subsp. minimus | CNPS-EB: C | common mouse-tail | |
| Myriopteris covillei | CNPS-EB: C | Coville's lip fern | |
| Myriopteris intertexta | CNPS-EB: B | coastal lip fern | |
| Navarretia intertexta | CNPS-EB: A2 | needle-leaved navarretia | |
| Navarretia mellita | CNPS-EB: C | honey-scented navarretia | |
| Navarretia pubescens | CNPS-EB: C | downy navarretia | |
| Nemacladus capillaris | CNPS-EB: A1 | ||
| Nemophila parviflora var. parviflora | CNPS-EB: B | small-flowered nemophila | |
| Nemophila pedunculata | CNPS-EB: B | meadow nemophila | |
| Nicotiana quadrivalvis | CNPS-EB: B | indian tobacco | |
| Nuttallanthus texanus | CNPS-EB: A2 | blue toadflax | |
| Osmorhiza brachypoda | CNPS-EB: C | California cicely | |
| Packera breweri | (formerly Senecio b.) | CNPS-EB: C | Brewer's ragwort, Brewer's butterweed |
| Panicum capillare | CNPS-EB: A2 | witch grass | |
| Penstemon centranthifolius | CNPS-EB: B | scarlet bugler | |
| Penstemon heterophyllus var. heterophyllus | CNPS-EB: B | chaparral penstemon | |
| Penstemon heterophyllus var. purdyi | CNPS-EB: A2 | foothill penstemon | |
| Pentachaeta alsinoides | CNPS-EB: C | tiny pentachaeta | |
| Pentachaeta exilis subsp. exilis | CNPS-EB: A1 | meager pentachaeta | |
| Perideridia californica | CNPS-EB: C | California yampah | |
| Persicaria punctata | (formerly Polygonum punctatum) | CNPS-EB: C | water smartweed |
| Phacelia breweri | CNPS-EB: B | Brewer's phacelia | |
| Phacelia divaricata | CNPS-EB: B | divaricate phacelia | |
| Phacelia malvifolia var. malvifolia | CNPS-EB: A2 | stinging phacelia | |
| Phacelia ramosissima | CNPS-EB: B | branching phacelia | |
| Phacelia rattanii | CNPS-EB: B | Rattan's phacelia | |
| Pinus coulteri | CNPS-EB: B | Coulter pine | |
| Plagiobothrys canescens var. canescens | CNPS-EB: C | valley popcornflower | |
| Plagiobothrys fulvus var. campestris | CNPS-EB: B | field popcornflower, fulvous popcornflower | |
| Plagiobothrys stipitatus var. stipitatus | (var. micranthus is more commo | CNPS-EB: C | showy great valley popcornflower, stipitate allocarya |
| Plagiobothrys tenellus | CNPS-EB: B | Pacific popcornflower, slender popcornflower | |
| Plagiobothrys trachycarpus | CNPS-EB: C | rough-nutlet popcornflower, rough-fruited allocarya | |
| Platanus racemosa | CNPS-EB: C | western sycamore, California sycamore | |
| Pleuropogon californicus var. californicus | CNPS-EB: B | semaphore grass | |
| Poa howellii | CNPS-EB: A2 | Howell's bluegrass | |
| Populus trichocarpa | (formerly P. balsamifera var. | CNPS-EB: C | black cottonwood |
| Prunus emarginata | CNPS-EB: C | bitter cherry | |
| Prunus ilicifolia subsp. ilicifolia | CNPS-EB: B | islay, holly-leafed cherry | |
| Prunus subcordata | CNPS-EB: C | Pacific plum, Sierra plum | |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | CNPS-EB: C | fragrant everlasting |
| Pseudognaphalium microcephalum | (formerly Gnaphalium canescens | CNPS-EB: A1 | white everlasting |
| Quercus berberidifolia | CNPS-EB: C | scrub oak | |
| Quercus durata var. durata | CNPS-EB: B | leather oak | |
| Quercus lobata | CNPS-EB: B | valley oak, roble | |
| Quercus palmeri | CNPS-EB: A2 | Palmer's oak | |
| Ranunculus lobbii | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4 CNDDB Rank: S3 | Lobb's aquatic buttercup | |
| Rhamnus crocea | CNPS-EB: C | spiny redberry | |
| Rhus aromatica | (formerly R. trilobata) | CNPS-EB: C | skunk bush, skunkbrush, squawbush |
| Ribes malvaceum var. malvaceum | CNPS-EB: C | chaparral currant | |
| Rigiopappus leptocladus | CNPS-EB: C | rigiopappus | |
| Rosa spithamea | CNPS-EB: C | coast ground rose, ground rose | |
| Rumex californicus | (formerly R. salicifolius var. dentatus) | CNPS-EB: C | willow dock |
| Rumex salicifolius | (formerly R. salicifolius var. salicifolius) | CNPS-EB: B | willow dock |
| Sabulina pusilla | (formerly Minuartia pusilla) | CNPS-EB: A1 | annual sandwort, least sandwort |
| Salix gooddingii | CNPS-EB: B | Goodding's black willow | |
| Sanicula saxatilis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 CESA Status: CR | rock sanicle | |
| Scirpus microcarpus | CNPS-EB: C | small-fruited bulrush | |
| Scutellaria siphocampyloides | CNPS-EB: A2 | gray-leaved skullcap | |
| Scutellaria tuberosa | CNPS-EB: C | Dannie's skullcap | |
| Sedum radiatum subsp. radiatum | (formerly S. radiatum) | CNPS-EB: A2 | coast range stonecrop, star-fruited stonecrop |
| Sedum spathulifolium | CNPS-EB: B | broadleaf stonecrop, Pacific stonecrop | |
| Selaginella bigelovii | CNPS-EB: B | spike-moss | |
| Senecio aronicoides | CNPS-EB: C | rayless ragwort, California butterweed | |
| Senecio flaccidus var. douglasii | CNPS-EB: A2 | Douglas' threadleaf ragwort, shrubby butterweed | |
| Sidalcea diploscypha | CNPS-EB: A1 | fringed checkerbloom, fringed sidalcea | |
| Silene laciniata subsp. californica | (formerly Silene c.) | CNPS-EB: C | Indian pink, California pink, California Indian pink |
| Silene lemmonii | CNPS-EB: A1 | LEMMON'S CATCHFLY | |
| Sparganium eurycarpum var. eurycarpum | CNPS-EB: A1 | bur-reed | |
| Stebbinsoseris heterocarpa | CNPS-EB: C | grassland silverpuffs, derived microseris | |
| Stellaria nitens | CNPS-EB: C | shining chickweed | |
| Stipa cernua | CNPS-EB: C | nodding needlegrass | |
| Stipa lepida | CNPS-EB: C | foothill needlegrass | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass | |
| Streptanthus albidus subsp. peramoenus | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2T2 CNDDB Rank: S2 | most beautiful jewel-flower | |
| Streptanthus glandulosus subsp. glandulosus | CNPS-EB: B | jewelflower | |
| Tetrapteron graciliflorum | CNPS-EB: C | hill sun cup | |
| Thysanocarpus laciniatus | CNPS-EB: B | lacepod | |
| Tonella tenella | CNPS-EB: B | small-flowered tonella | |
| Trifolium barbigerum | CNPS-EB: A2 | bearded clover | |
| Trifolium cyathiferum | CNPS-EB: A1 | BOWL CLOVER | |
| Trifolium depauperatum var. depauperatum | (vars. amplectens and truncatu | CNPS-EB: B | dwarf sack clover |
| Trifolium dichotomum | CNPS-EB: C | branched indian clover | |
| Trifolium fucatum | CNPS-EB: B | bull clover | |
| Trifolium obtusiflorum | CNPS-EB: B | clammy clover, creek clover | |
| Trifolium oliganthum | CNPS-EB: C | few-flowered clover | |
| Trifolium olivaceum | CNPS-EB: C | olive clover | |
| Triglochin scilloides | CNPS-EB: C | flowering-quillwort | |
| Triphysaria versicolor subsp. faucibarbata | CNPS-EB: B | smooth owl's-clover | |
| Triteleia peduncularis | CNPS-EB: A1 | long-rayed brodiaea | |
| Tropidocarpum gracile | CNPS-EB: B | slender tropidocarpum | |
| Viola douglasii | CNPS-EB: A2 | Douglas' violet, golden violet | |
| Viola purpurea subsp. purpurea | CNPS-EB: A1 | mountain violet | |
| Viola purpurea subsp. quercetorum | CNPS-EB: C | mountain violet | |
| Viola sheltonii | CNPS-EB: A2 | Shelton's violet, fan violet | |
| Wyethia glabra | (W. helenioides is more common | CNPS-EB: C | mule ears |
| Acaena californica | (formerly A. pinnatifida var. californica) | CNPS-EB: C | California acaena |
| Allophyllum divaricatum | CNPS-EB: C | straggling gilia | |
| Amsinckia tessellata var. tessellata | CNPS-EB: A1 | desert fiddleneck, devil's lettuce | |
| Anisocarpus madioides | (formerly Madia m.) | CNPS-EB: B | woodland tarweed, woodland madia |
| Apocynum androsaemifolium | CNPS-EB: A2 | bitter dogbane, dogbane | |
| Arctostaphylos manzanita subsp. manzanita | CNPS-EB: A2 | common manzanita | |
| Astragalus didymocarpus var. didymocarpus | (A. gambelianus is more common | CNPS-EB: A1 | two-seeded milkvetch |
| Balsamorhiza macrolepis | CNPS-EB: *A1 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | big-scale balsamroot | |
| Calamagrostis nutkaensis | (historical-18??) | CNPS-EB: A1x | Pacific reed grass |
| Calochortus umbellatus | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G3? CNDDB Rank: S3? | Oakland star-tulip | |
| Calystegia malacophylla subsp. pedicellata | CNPS-EB: A2 | woolly morning-glory | |
| Camissoniopsis intermedia | CNPS-EB: C | small primrose | |
| Camissoniopsis micrantha | CNPS-EB: C | small primrose | |
| Carex senta | CNPS-EB: A1 | western rough sedge, rough sedge | |
| Ceanothus leucodermis | CNPS-EB: A2 | chaparral whitethorn | |
| Cercis occidentalis | CNPS-EB: A1x | western redbud | |
| Cicuta douglasii | CNPS-EB: A2 | water-hemlock | |
| Cirsium brevistylum | CNPS-EB: B | indian thistle | |
| Collinsia bartsiifolia var. unknown | CNPS-EB: A1? | white Chinese houses | |
| Collinsia sparsiflora var. unknown | CNPS-EB: C? | few-flowered blue-eyed Mary | |
| Crassula aquatica | CNPS-EB: B | water pygmy-weed | |
| Cyperus odoratus | CNPS-EB: A1 | coarse cyperus | |
| Delphinium californicum subsp. californicum | CNPS-EB: B | coast larkspur, California larkspur | |
| Ehrendorferia chrysantha | (formerly Dicentra chrysantha) | CNPS-EB: B | golden ear-drops |
| Elymus stebbinsii | CNPS-EB: A1x | Stebbins' wheat grass, Parish's wheat-grass | |
| Elymus trachycaulus subsp. trachycaulus | CNPS-EB: A1 | slender wheat grass | |
| Epilobium ciliatum subsp. watsonii | (ssp. ciliatum is more common) | CNPS-EB: A1 | San Francisco willowherb |
| Equisetum laevigatum | CNPS-EB: A2 | smooth scouring rush | |
| Eriogonum luteolum var. luteolum | CNPS-EB: A2 | golden-carpet wild buckwheat, golden carpet | |
| Eriophyllum lanatum var. achilleoides | CNPS-EB: C | woolly sunflower | |
| Fraxinus latifolia | CNPS-EB: B | Oregon ash | |
| Garrya congdonii | CNPS-EB: A1x | Congdon's silk-tassel | |
| Gilia tricolor subsp. unknown | CNPS-EB: B? | birds-eye gilia | |
| Holocarpha obconica | CNPS-EB: B | San Joaquin tarplant | |
| Hordeum brachyantherum subsp. californicum | (ssp. brachyantherum is more common | CNPS-EB: A2 | California barley |
| Hordeum jubatum subsp. jubatum | CNPS-EB: A2 | foxtail barley, squirreltail barley | |
| Isoetes howellii | CNPS-EB: A1 | Howell's quillwort | |
| Juncus dubius | CNPS-EB: A1x | mariposa rush, Mariposa rush | |
| Juncus ensifolius | Unclear if it occurs in East Bay | CNPS-EB: A1? | dagger rush, swordleaved rush, three-stamened rush |
| Juncus phaeocephalus var. paniculatus | CNPS-EB: B | panicled rush, brown-headed rush | |
| Juncus phaeocephalus var. phaeocephalus | CNPS-EB: B | brownheaded rush | |
| Layia chrysanthemoides | CNPS-EB: A2 | smooth layia | |
| Lepidium oxycarpum | CNPS-EB: A2 | sharp-podded pepper-grass | |
| Leptochloa fusca subsp. fascicularis | CNPS-EB: A1 | bearded sprangletop | |
| Leptosiphon ciliatus | (formerly Linanthus c.) | CNPS-EB: C | whisker brush |
| Lessingia hololeuca | (historical-1940) | CNPS-EB: *A1x State CNPS: 3 Global Rank: G2G3 CNDDB Rank: S2S3 | woolly-headed lessingia |
| Lupinus luteolus | CNPS-EB: A1x | butter lupine | |
| Lycopus americanus | CNPS-EB: A2 | cutleaf bugleweed | |
| Madia anomala | CNPS-EB: A1x | plump-seeded madia | |
| Marah oregana | CNPS-EB: B | coast man-root | |
| Mentzelia affinis | CNPS-EB: B | hydra stick-leaf | |
| Mentzelia laevicaulis var. laevicaulis | (historical-1969) | CNPS-EB: A1x | blazing star |
| Microseris acuminata | CNPS-EB: A1 | Sierra Foothills microseris | |
| Papaver californicum | CNPS-EB: B | fire poppy | |
| Pectocarya penicillata | CNPS-EB: A2 | northern pectocarya, winged pectocarya | |
| Phoradendron leucarpum subsp. macrophyllum | (formerly P. serotinum subsp. macrophyllum, P. macrophyllum) | CNPS-EB: C | big leaf mistletoe |
| Piperia elegans subsp. elegans | CNPS-EB: C | coast piperia, elegant piperia | |
| Plagiobothrys humistratus | CNPS-EB: A2 | low popcornflower, dwarf allocarya | |
| Psilocarphus brevissimus var. brevissimus | CNPS-EB: B | dwarf woollyheads, dwarf woolly-marbles | |
| Psilocarphus oregonus | CNPS-EB: A2 | Oregon woollyheads, Oregon woolly-marbles | |
| Quercus garryana var. garryana | CNPS-EB: B | Oregon oak | |
| Ranunculus canus var. canus | CNPS-EB: C | Sacramento Valley buttercup | |
| Ribes amarum | CNPS-EB: A1? | bitter gooseberry | |
| Rorippa curvisiliqua | CNPS-EB: B | yellow cress | |
| Rumex fueginus | CNPS-EB: A2 | golden dock | |
| Rumex salicifolius var. unknown | CNPS-EB: A2? | willow dock | |
| Sagina decumbens subsp. occidentalis | (S. apetala is more common) | CNPS-EB: B | western pearlwort |
| Sequoia sempervirens | CNPS-EB: C | coast redwood | |
| Silene verecunda | CNPS-EB: A1 | San Francisco campion, Cuyamaca campion | |
| Stachys bullata | CNPS-EB: A1? | California hedge nettle | |
| Symphyotrichum lanceolatum var. hesperium | (formerly Aster lanceolatus ss | CNPS-EB: A2 | marsh aster |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | CNPS-EB: B | slim aster |
| Trifolium grayi | CNPS-EB: A1 | Gray's clover | |
| Trisetum canescens | CNPS-EB: A2 | tall trisetum | |
| Turritis glabra | CNPS-EB: B | tower mustard |