| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Ambrosia chamissonis | CNPS-EB: C | beach bur-sage, beach-bur | |
| 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 | |
| Dichondra donelliana | CNPS-EB: A1 | dichondra | |
| Dudleya farinosa | CNPS-EB: A2 | bluff lettuce, powdery dudleya | |
| Eriophyllum staechadifolium | CNPS-EB: A2 | seaside woolly sunflower, lizard-tail | |
| Juncus phaeocephalus var. phaeocephalus | CNPS-EB: B | brownheaded rush | |
| Nuttallanthus texanus | CNPS-EB: A2 | blue toadflax | |
| Piperia elongata | CNPS-EB: C | chaparral orchid, wood rein-orchid, elongate piperia | |
| 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 | |
| Acaena californica | (formerly A. pinnatifida var. californica) | CNPS-EB: C | California acaena |
| Arbutus menziesii | CNPS-EB: B | Pacific madrone | |
| Atriplex leucophylla | CNPS-EB: B | beach saltbush | |
| Carex obnupta | CNPS-EB: B | slough sedge | |
| Cirsium quercetorum | CNPS-EB: A2 | brownie thistle | |
| Cirsium remotifolium var. odontolepis | CNPS-EB: A1 | remote-leaved thistle | |
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | CNPS-EB: C | salt-marsh dodder |
| 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 idahoensis | CNPS-EB: C | Idaho fescue, blue bunchgrass | |
| Festuca octoflora | CNPS-EB: A2 | sixweeks grass, slender fescue | |
| Festuca rubra | CNPS-EB: C | red fescue | |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: C | low club-rush |
| Koeleria macrantha | CNPS-EB: C | june grass | |
| Lasthenia maritima | CNPS-EB: A1x | maritime goldfields, seaside goldfields, Farallon weed | |
| Limonium californicum | CNPS-EB: C | western marsh-rosemary, sea-lavender, ma | |
| Lupinus affinis | CNPS-EB: A1 | lupine | |
| Lupinus arboreus | CNPS-EB: A2 | yellow bush lupine | |
| Lysimachia minima | (formerly Anagallis minima, Centunculus minimus) | CNPS-EB: A1 | chaffweed |
| Melica californica | CNPS-EB: C | California melic | |
| Nemophila parviflora var. parviflora | CNPS-EB: B | small-flowered nemophila | |
| 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 | |
| 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 |
| Rumex crassus | (formerly R. salicifolius var. | CNPS-EB: A1 | willow dock |
| Rumex fueginus | CNPS-EB: A2 | golden dock | |
| Spartina foliosa | CNPS-EB: B | California cord grass | |
| 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 |
| Zeltnera davyi | (formerly Centaurium d.) | CNPS-EB: B | Davy's centaury, conchalagua |