| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Acaena californica | (formerly A. pinnatifida var. californica) | CNPS-EB: C | California acaena |
| Allium falcifolium | CNPS-EB: A2 | sickle-leaved onion | |
| Anisocarpus madioides | (formerly Madia m.) | CNPS-EB: B | woodland tarweed, woodland madia |
| Apocynum androsaemifolium | CNPS-EB: A2 | bitter dogbane, dogbane | |
| Arbutus menziesii | CNPS-EB: B | Pacific madrone | |
| Arctostaphylos crustacea subsp. crustacea | CNPS-EB: C | brittleleaf manzanita | |
| Arctostaphylos pallida | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G1 CNDDB Rank: S1 FESA Status: FT CESA Status: CE | pallid manzanita | |
| Arnica discoidea | CNPS-EB: B | rayless arnica | |
| Calamagrostis rubescens | CNPS-EB: B | pine reed grass, pine grass | |
| Calochortus umbellatus | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G3? CNDDB Rank: S3? | Oakland star-tulip | |
| Calycadenia multiglandulosa | CNPS-EB: A2 | sticky calycadenia | |
| Carex barbarae | CNPS-EB: C | whiteroot sedge, Santa Barbara sedge, St. Barbara's sedge | |
| Carex brevicaulis | CNPS-EB: A2 | short-stemmed sedge | |
| Carex globosa | CNPS-EB: B | round-fruited sedge | |
| Carex harfordii | CNPS-EB: B | Harford's sedge, Monterey sedge | |
| Carex leptopoda | (formerly Carex deweyana subsp leptopoda | CNPS-EB: A2 | slender-footed sedge, short-scaled sedge |
| Carex obnupta | CNPS-EB: B | slough sedge | |
| Carex serratodens | CNPS-EB: C | saw-toothed sedge, bifid sedge | |
| Carex subbracteata | CNPS-EB: B | small-bracted sedge | |
| Castilleja wightii | CNPS-EB: B | Wight's indian paintbrush | |
| Ceanothus thyrsiflorus var. thyrsiflorus | CNPS-EB: B | blue blossom, California lilac | |
| Chrysolepis chrysophylla var. minor | CNPS-EB: A2 | golden chinquapin | |
| Cirsium brevistylum | CNPS-EB: B | indian thistle | |
| Cirsium quercetorum | CNPS-EB: A2 | brownie thistle | |
| Clintonia andrewsiana | CNPS-EB: A1 | red clintonia | |
| Corallorhiza maculata var. maculata | (forma immaculata is more comm | CNPS-EB: A2 | spotted coralroot |
| Diplacus douglasii | (formerly Mimulus d.) | CNPS-EB: A2 | Douglas monkeyflower |
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Festuca californica | CNPS-EB: C | California fescue | |
| Galium triflorum | CNPS-EB: C | sweet-scented bedstraw | |
| Garrya elliptica | CNPS-EB: B | silk tassel bush | |
| Gaultheria shallon | CNPS-EB: A1 | salal | |
| Hieracium albiflorum | CNPS-EB: C | white hawkweed | |
| Iris douglasiana | CNPS-EB: B | Douglas iris | |
| Madia exigua | CNPS-EB: C | ||
| Marah oregana | CNPS-EB: B | coast man-root | |
| Melica subulata | CNPS-EB: A1 | ||
| Morella californica | (formerly Myrica c.) | CNPS-EB: B | wax myrtle |
| Muilla maritima | CNPS-EB: B | common muilla | |
| Oxalis pilosa | (formerly O. albicans ssp. p.) | CNPS-EB: B | hairy wood-sorrel |
| Piperia elegans subsp. elegans | CNPS-EB: C | coast piperia, elegant piperia | |
| Piperia elongata | CNPS-EB: C | chaparral orchid, wood rein-orchid, elongate piperia | |
| Piperia transversa | CNPS-EB: B | flat spurred piperia, transverse piperia | |
| Polypodium scouleri | CNPS-EB: A1 | leather-leaf fern | |
| Prunus emarginata | CNPS-EB: C | bitter cherry | |
| Prunus ilicifolia subsp. ilicifolia | CNPS-EB: B | islay, holly-leafed cherry | |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | CNPS-EB: C | fragrant everlasting |
| Quercus xchasei | CNPS-EB: B | Chase oak | |
| Rhinotropis californica | (formerly Polygala californica) | CNPS-EB: A1 | California milkwort |
| Ribes divaricatum var. pubiflorum | CNPS-EB: C | straggle bush, straggly gooseberry | |
| Sagina decumbens subsp. occidentalis | (S. apetala is more common) | CNPS-EB: B | western pearlwort |
| Sambucus racemosa var. racemosa | CNPS-EB: B | red elderberry | |
| Scirpus microcarpus | CNPS-EB: C | small-fruited bulrush | |
| Sequoia sempervirens | CNPS-EB: C | coast redwood | |
| Symphyotrichum lanceolatum var. hesperium | (formerly Aster lanceolatus ss | CNPS-EB: A2 | marsh aster |
| Tellima grandiflora | CNPS-EB: C | fringe cups | |
| Trifolium barbigerum | CNPS-EB: A2 | bearded clover | |
| Trifolium macraei | CNPS-EB: A1 | Macrae's clover, double-headed clover | |
| Trillium ovatum subsp. ovatum | CNPS-EB: A2 | white trillium | |
| Trisetum canescens | CNPS-EB: A2 | tall trisetum | |
| Vaccinium ovatum | CNPS-EB: C | California huckleberry | |
| Viola glabella | CNPS-EB: A2 | stream violet, smooth yellow violet | |
| Viola sempervirens | CNPS-EB: A2 | evergreen violet, redwood violet | |
| Agoseris retrorsa | CNPS-EB: A2 | spear-leaved agoseris | |
| Alopecurus saccatus | CNPS-EB: B | Howell's meadow foxtail | |
| Amsinckia lunaris | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G3 CNDDB Rank: S3 | bent-flowered fiddleneck | |
| Aralia californica | CNPS-EB: C | elk clover | |
| Arctostaphylos glandulosa subsp. glandulosa | CNPS-EB: B | Eastwood manzanita | |
| Asarum caudatum | CNPS-EB: B | wild-ginger | |
| Carex praegracilis | CNPS-EB: C | black creeper sedge, freeway sedge, deer-bed sedge | |
| Castilleja subinclusa subsp. franciscana | CNPS-EB: A1 | Franciscan indian paintbrush | |
| Cicendia quadrangularis | CNPS-EB: A2 | timwort | |
| Clarkia purpurea subsp. viminea | (ssp. quadrivulnera more common | CNPS-EB: A1 | large godetia |
| Claytonia exigua subsp. exigua | CNPS-EB: C | common montia | |
| Clematis ligusticifolia | CNPS-EB: C | western virgin's bower, virgin's bower | |
| Corallorhiza striata | (C. maculata is more common) | CNPS-EB: A1x | striped coralroot |
| Cornus sericea subsp. occidentalis | CNPS-EB: C | western dogwood | |
| Cornus sericea subsp. sericea | CNPS-EB: C | American dogwood | |
| Danthonia californica | CNPS-EB: C | California oat grass | |
| Deschampsia elongata | CNPS-EB: C | slender hair grass | |
| Dicentra formosa | CNPS-EB: A2 | Pacific bleeding heart, bleeding heart | |
| Elymus multisetus | CNPS-EB: C | big squirreltail | |
| Ericameria arborescens | CNPS-EB: B | golden-fleece | |
| Eriogonum fasciculatum var. foliolosum | CNPS-EB: A1 | leafy California buckwheat, California buckwheat | |
| Festuca rubra | CNPS-EB: C | red fescue | |
| Fremontodendron californicum | CNPS-EB: A1 | flannelbush | |
| Gutierrezia californica | CNPS-EB: C | California matchweed | |
| Heterotheca sessiliflora subsp. bolanderi | (H. s. ssp. echioides is more | CNPS-EB: C | Bolander goldenaster |
| Hosackia stipularis var. stipularis | CNPS-EB: A1 | stipulate lotus | |
| Koeleria macrantha | CNPS-EB: C | june grass | |
| Lomatium caruifolium var. caruifolium | CNPS-EB: B | caraway-leaved lomatium | |
| Lupinus affinis | CNPS-EB: A1 | lupine | |
| Melica bulbosa | CNPS-EB: A1 | onion grass | |
| Melica californica | CNPS-EB: C | California melic | |
| Navarretia mellita | CNPS-EB: C | honey-scented navarretia | |
| Oxalis oregana | CNPS-EB: A1 | redwood sorrel | |
| Phacelia divaricata | CNPS-EB: B | divaricate phacelia | |
| Pinus attenuata | CNPS-EB: A1 | knobcone pine | |
| Platanus racemosa | CNPS-EB: C | western sycamore, California sycamore | |
| Poa howellii | CNPS-EB: A2 | Howell's bluegrass | |
| Populus trichocarpa | (formerly P. balsamifera var. | CNPS-EB: C | black cottonwood |
| Prunus subcordata | CNPS-EB: C | Pacific plum, Sierra plum | |
| Pseudognaphalium microcephalum | (formerly Gnaphalium canescens | CNPS-EB: A1 | white everlasting |
| Quercus wislizeni var. frutescens | CNPS-EB: C | shrubby interior live oak | |
| Rhamnus crocea | CNPS-EB: C | spiny redberry | |
| Rosa spithamea | CNPS-EB: C | coast ground rose, ground rose | |
| Sanicula arctopoides | CNPS-EB: A1x | footsteps of spring, yellow mats | |
| Sanicula laciniata | CNPS-EB: A2 | coast sanicle | |
| Senecio aronicoides | CNPS-EB: C | rayless ragwort, California butterweed | |
| Stachys bullata | CNPS-EB: A1? | California hedge nettle | |
| Stipa lepida | CNPS-EB: C | foothill needlegrass | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass | |
| Trifolium fucatum | CNPS-EB: B | bull clover | |
| Tropidocarpum gracile | CNPS-EB: B | slender tropidocarpum | |
| Turritis glabra | CNPS-EB: B | tower mustard | |
| Viola adunca subsp. adunca | CNPS-EB: A1 | western blue violet |