| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | CNPS-EB: C | salt-marsh dodder |
| Juncus phaeocephalus var. phaeocephalus | CNPS-EB: B | brownheaded rush | |
| Triglochin maritima | CNPS-EB: C | common arrow-grass, seaside arrow-grass | |
| Abronia latifolia | (historical-1894) | CNPS-EB: A1x | yellow sand-verbena |
| Abronia umbellata var. umbellata | (historical-1937) | CNPS-EB: A1x | beach sand-verbena |
| Ambrosia chamissonis | CNPS-EB: C | beach bur-sage, beach-bur | |
| Astragalus nuttallii var. virgatus | (historical-1881) | CNPS-EB: A1x | Nuttall's milk-vetch |
| Atriplex dioica | (formerly A. subspicata) | CNPS-EB: A1x | thickleaf orach, saltbush |
| Atriplex gmelinii var. gmelinii | (historical-1897) | CNPS-EB: A1x | Gmelin's saltbush, spear saltbush |
| Atriplex leucophylla | CNPS-EB: B | beach saltbush | |
| Bromus sitchensis var. maritimus | (formerly B. maritimus) | CNPS-EB: A1 | maritime brome, seaside brome grass |
| Camissoniopsis cheiranthifolia subsp. cheiranthifolia | CNPS-EB: A1 | dune suncup | |
| Carex densa | CNPS-EB: B | dense sedge | |
| Carex nudata | CNPS-EB: B | torrent sedge | |
| Chloropyron maritimum subsp. palustre | (historical-1917) | CNPS-EB: *A1x State CNPS: 1B.2 Global Rank: G4?T2 CNDDB Rank: S2 | Point Reyes salty bird's-beak |
| Chorizanthe cuspidata var. cuspidata | (historical-1881) | CNPS-EB: *A1x State CNPS: 1B.2 Global Rank: G2T1 CNDDB Rank: S1 | San Francisco Bay spineflower |
| Elymus mollis subsp. mollis | CNPS-EB: A1x | American dune grass, sea lyme grass | |
| Extriplex californica | (historical-1921) | CNPS-EB: A1x | California orach, California saltbush |
| Extriplex joaquinana | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | San Joaquin spearscale, San Joaquin saltbush | |
| Horkelia cuneata var. sericea | (historical-1894) | CNPS-EB: *A1x State CNPS: 1B.1 Global Rank: G4T1? CNDDB Rank: S1? | Kellogg's horkelia |
| Persicaria lapathifolia | (formerly Polygonum lapathifol | CNPS-EB: B | willow weed |
| Poa douglasii | (historical-1882) | CNPS-EB: A1x | sanddune bluegrass |
| Sanicula maritima | (historical-1936) | CNPS-EB: *A1x State CNPS: 1B.1 Global Rank: G2 CNDDB Rank: S2 CESA Status: CR | adobe sanicle |
| Spergularia macrotheca var. longistyla | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G5T2 CNDDB Rank: S2 | large-flowered sand spurry | |
| Trifolium hydrophilum | (vars. amplectens and truncatu | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | saline clover |
| Triglochin concinna var. concinna | (T. maritima is more common) | CNPS-EB: A1 | seaside arrow-grass, slender arrow-grass |
| Zeltnera davyi | (formerly Centaurium d.) | CNPS-EB: B | Davy's centaury, conchalagua |