| 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 |
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | CNPS-EB: C | salt-marsh dodder |
| Juncus phaeocephalus var. phaeocephalus | CNPS-EB: B | brownheaded rush | |
| Laennecia coulteri | (formerly Conyza c.) | CNPS-EB: A2 | Coulter's horseweed, Coulter's conyza |
| Leptochloa fusca subsp. uninervia | CNPS-EB: A1 | mexican sprangletop, dense-flowered sprangle-top | |
| Limonium californicum | CNPS-EB: B-PV | western marsh-rosemary, sea-lavender, ma | |
| Oenothera elata subsp. hookeri | CNPS-EB: C | evening-primrose | |
| Plantago elongata | CNPS-EB: B-PV | annual coast plantain | |
| Rumex californicus | (formerly R. salicifolius var. dentatus) | CNPS-EB: B-PV | willow dock |
| Rumex salicifolius | (formerly R. salicifolius var. salicifolius) | CNPS-EB: B | willow dock |
| Spartina foliosa | CNPS-EB: B | California cord grass | |
| Triglochin concinna var. concinna | (T. maritima is more common) | CNPS-EB: A1 | seaside arrow-grass, slender arrow-grass |
| 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 |
| Amaranthus blitoides | CNPS-EB: C | procumbent pigweed, prostrate amaranth | |
| Artemisia pycnocephala | (historical-1936) | CNPS-EB: A1x | coastal sagewort |
| Astragalus nuttallii var. virgatus | (historical-1881) | CNPS-EB: A1x | Nuttall's milk-vetch |
| Astragalus tener var. tener | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2T1 CNDDB Rank: S1 | alkali milkvetch | |
| 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 | |
| Bidens frondosa | CNPS-EB: B | sticktight | |
| 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 | |
| Castilleja ambigua subsp. ambigua | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G5T4 CNDDB Rank: S3S4 | Johnny-nip | |
| Centromadia parryi subsp. congdonii | (formerly Hemizonia p. ssp. c. | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G3T2 CNDDB Rank: S2 | Congdon's tarplant |
| Chenopodium berlandieri var. unknown | Split into 2 varieties. Sites need to be surveyed to determine vars.. | CNPS-EB: A2? | pitseed goosefoot |
| 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 |
| Chorizanthe robusta var. robusta | (historical-1913) | CNPS-EB: *A1x State CNPS: 1B.1 Global Rank: G2T1 CNDDB Rank: S1 FESA Status: FE | robust 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 |
| Lasthenia glabrata subsp. glabrata | CNPS-EB: A2 | yellow-ray goldfields | |
| Lepidium oxycarpum | CNPS-EB: A2 | sharp-podded pepper-grass | |
| Lupinus arboreus | CNPS-EB: A2 | yellow bush lupine | |
| Persicaria lapathifolia | (formerly Polygonum lapathifol | CNPS-EB: B | willow weed |
| Plantago maritima | CNPS-EB: A1 | Pacific seaside plantain | |
| 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 | |
| Stachys ajugoides | (var. rigida is more common) | CNPS-EB: A2 | bugle hedge nettle |
| Stephanomeria elata | CNPS-EB: A1 | stephanomeria | |
| Suaeda californica | (historical-1958) | CNPS-EB: *A1x State CNPS: 1B.1 Global Rank: G1 CNDDB Rank: S1 FESA Status: FE | California seablite |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | CNPS-EB: B | slim aster |
| Trifolium hydrophilum | (vars. amplectens and truncatu | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | saline clover |
| Triglochin striata | (T. maritima is more common) | CNPS-EB: B | three-ribbed arrow-grass |
| Zeltnera davyi | (formerly Centaurium d.) | CNPS-EB: B | Davy's centaury, conchalagua |