| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Acaena californica | (formerly A. pinnatifida var. californica) | CNPS-EB: C | California acaena |
| Ambrosia chamissonis | CNPS-EB: C | beach bur-sage, beach-bur | |
| Atriplex leucophylla | CNPS-EB: B | beach saltbush | |
| Bidens frondosa | CNPS-EB: B | sticktight | |
| Bolboschoenus maritimus subsp. paludosus | (formerly Scirpus m.) | CNPS-EB: C | bulrush |
| Carex nebrascensis | CNPS-EB: B | Nebraska sedge | |
| Carex praegracilis | CNPS-EB: C | black creeper sedge, freeway sedge, deer-bed sedge | |
| Carex subbracteata | CNPS-EB: B | small-bracted sedge | |
| Castilleja subinclusa subsp. franciscana | CNPS-EB: A1 | Franciscan indian paintbrush | |
| Cirsium quercetorum | CNPS-EB: A2 | brownie thistle | |
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | CNPS-EB: C | salt-marsh dodder |
| Deinandra corymbosa | (formerly Hemizonia corymbosa) | CNPS-EB: A2 | coast tarweed |
| Dichondra donelliana | CNPS-EB: A1 | dichondra | |
| Dudleya cymosa subsp. paniculata | CNPS-EB: C | spreading dudleya | |
| Dudleya farinosa | CNPS-EB: A2 | bluff lettuce, powdery dudleya | |
| Eriophyllum staechadifolium | CNPS-EB: A2 | seaside woolly sunflower, lizard-tail | |
| Festuca idahoensis | CNPS-EB: C | Idaho fescue, blue bunchgrass | |
| Festuca rubra | CNPS-EB: C | red fescue | |
| Horkelia californica var. californica | CNPS-EB: A1 | California horkelia | |
| Juncus phaeocephalus var. phaeocephalus | CNPS-EB: B | brownheaded rush | |
| Koeleria macrantha | CNPS-EB: C | june grass | |
| Limonium californicum | CNPS-EB: C | western marsh-rosemary, sea-lavender, ma | |
| Lupinus arboreus | CNPS-EB: A2 | yellow bush lupine | |
| Nuttallanthus texanus | CNPS-EB: A2 | blue toadflax | |
| Oenothera elata subsp. hookeri | CNPS-EB: B | evening-primrose | |
| Piperia elongata | CNPS-EB: C | chaparral orchid, wood rein-orchid, elongate piperia | |
| Romanzoffia californica | CNPS-EB: A1 | Suksdorf's romanzoffia | |
| Rumex californicus | (formerly R. salicifolius var. dentatus) | CNPS-EB: C | willow dock |
| Rumex crassus | (formerly R. salicifolius var. | CNPS-EB: A1 | willow dock |
| Rumex salicifolius | (formerly R. salicifolius var. salicifolius) | CNPS-EB: B | willow dock |
| Sagina decumbens subsp. occidentalis | (S. apetala is more common) | CNPS-EB: B | western pearlwort |
| Spergularia macrotheca var. leucantha | CNPS-EB: A2 | large-flowered sand spurry | |
| Spergularia macrotheca var. macrotheca | CNPS-EB: A2 | large-flowered sand spurry | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass | |
| Triglochin maritima | CNPS-EB: C | common arrow-grass, seaside arrow-grass | |
| 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 |
| Agrostis hallii | CNPS-EB: A2 | Hall's bent grass | |
| Alisma triviale | (formerly A. plantago-aquatica | CNPS-EB: C | water plantain |
| Arabis blepharophylla | CNPS-EB: *A1x State CNPS: 4.3 Global Rank: G4 CNDDB Rank: S4 | coast rockcress | |
| Arbutus menziesii | CNPS-EB: B | Pacific madrone | |
| Calystegia purpurata subsp. saxicola | (historical-1893) (ssp. purpur | CNPS-EB: *A1x State CNPS: 1B.2 Global Rank: G4T2T3 CNDDB Rank: S2S3 | coastal bluff morning-glory |
| Carex obnupta | CNPS-EB: B | slough sedge | |
| Castilleja ambigua subsp. ambigua | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4T4 CNDDB Rank: S3S4 | Johnny-nip | |
| Castilleja rubicundula subsp. lithospermoides | CNPS-EB: B | cream sacs | |
| Ceanothus thyrsiflorus var. thyrsiflorus | CNPS-EB: B | blue blossom, California lilac | |
| Cicendia quadrangularis | CNPS-EB: A2 | timwort | |
| Cirsium cymosum var. cymosum | CNPS-EB: C | peregrine thistle | |
| Cirsium remotifolium var. odontolepis | CNPS-EB: A1 | remote-leaved thistle | |
| Cryptantha muricata var. unknown | CNPS-EB: A1? | prickly cryptantha | |
| Danthonia californica | CNPS-EB: B | California oat grass | |
| Deschampsia elongata | CNPS-EB: C | slender hair grass | |
| Dichelostemma multiflorum | CNPS-EB: A1x | wild hyacinth, many-flowered brodiaea | |
| Elymus elymoides var. elymoides | CNPS-EB: B | squirreltail | |
| Elymus multisetus | CNPS-EB: C | big squirreltail | |
| Elymus xhansenii | CNPS-EB: B | Hansen squirreltail | |
| Euphorbia serpillifolia subsp. serpillifolia | CNPS-EB: C | thyme-leaved spurge | |
| Festuca californica | CNPS-EB: C | California fescue | |
| Festuca octoflora | CNPS-EB: A2 | sixweeks grass, slender fescue | |
| Fritillaria liliacea | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | fragrant fritillary | |
| Heterotheca sessiliflora subsp. bolanderi | (H. s. ssp. echioides is more | CNPS-EB: C | Bolander goldenaster |
| Hieracium albiflorum | CNPS-EB: C | white hawkweed | |
| Hordeum brachyantherum subsp. californicum | (ssp. brachyantherum is more common | CNPS-EB: A2 | California barley |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: C | low club-rush |
| Juncus phaeocephalus var. paniculatus | CNPS-EB: B | panicled rush, brown-headed rush | |
| Lasthenia glabrata subsp. glabrata | CNPS-EB: A2 | yellow-ray goldfields | |
| Lasthenia maritima | CNPS-EB: A1x | maritime goldfields, seaside goldfields, Farallon weed | |
| Lupinus affinis | CNPS-EB: A1 | lupine | |
| Lysimachia minima | (formerly Anagallis minima, Centunculus minimus) | CNPS-EB: A1 | chaffweed |
| Madia exigua | CNPS-EB: C | ||
| Melica californica | CNPS-EB: C | California melic | |
| Nemophila parviflora var. parviflora | CNPS-EB: B | small-flowered nemophila | |
| Perideridia gairdneri subsp. gairdneri | CNPS-EB: *A1x State CNPS: 4.2 Global Rank: G5T3T4 CNDDB Rank: S3S4 | Gairdner's yampah | |
| Piperia elegans subsp. elegans | CNPS-EB: C | coast piperia, elegant piperia | |
| Piperia transversa | CNPS-EB: B | flat spurred piperia, transverse piperia | |
| Piperia unalascensis | CNPS-EB: A1 | Alaska piperia, slender-spire orchid | |
| Plantago maritima | CNPS-EB: A1x | Pacific seaside plantain | |
| Platanus racemosa | CNPS-EB: C | western sycamore, California sycamore | |
| Poa howellii | CNPS-EB: A2 | Howell's bluegrass | |
| Prunus emarginata | CNPS-EB: C | bitter cherry | |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | CNPS-EB: C | fragrant everlasting |
| Pseudognaphalium biolettii | (formerly Gnaphalium bicolor) | CNPS-EB: A1 | Bioletti's cudweed |
| Pseudognaphalium microcephalum | (formerly Gnaphalium canescens | CNPS-EB: A1 | white everlasting |
| Quercus berberidifolia | CNPS-EB: C | scrub oak | |
| Rumex fueginus | CNPS-EB: A2 | golden dock | |
| Rumex salicifolius var. unknown | CNPS-EB: A2? | willow dock | |
| Rumex transitorius | CNPS-EB: B | willow dock | |
| Senecio aronicoides | CNPS-EB: C | rayless ragwort, California butterweed | |
| Spartina foliosa | CNPS-EB: B | California cord grass | |
| Stephanomeria elata | CNPS-EB: A2 | stephanomeria | |
| Stipa lepida | CNPS-EB: C | foothill needlegrass | |
| Symphyotrichum lentum | (formerly Aster lentus) | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Suisun marsh aster |
| Trifolium hydrophilum | (vars. amplectens and truncatu | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | saline clover |
| Trifolium macraei | CNPS-EB: A1 | Macrae's clover, double-headed clover | |
| Zeltnera davyi | (formerly Centaurium d.) | CNPS-EB: B | Davy's centaury, conchalagua |