| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Eleocharis parvula | CNPS-EB: *A1 State CNPS: 4.3 Global Rank: G5 CNDDB Rank: S3 | small spikerush | |
| Arctostaphylos manzanita subsp. manzanita | CNPS-EB: A2 | common manzanita | |
| Astragalus nuttallii var. nuttallii | (historical-1866) | CNPS-EB: *A1x State CNPS: 4.2 Global Rank: G4T4 CNDDB Rank: S4 | ocean bluff milkvetch, Nuttall's milk-vetch |
| 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 serenana var. serenana | CNPS-EB: A1 | bractscale | |
| Blennosperma nanum var. nanum | CNPS-EB: C | blennosperma | |
| Camissonia strigulosa | CNPS-EB: A1 | contorted primrose | |
| Castilleja ambigua subsp. ambigua | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G5T4 CNDDB Rank: S3S4 | Johnny-nip | |
| Eragrostis mexicana subsp. virescens | CNPS-EB: A1 | Orcutt's eragrostis | |
| Lasthenia glabrata subsp. glabrata | CNPS-EB: A2 | yellow-ray goldfields | |
| Limonium californicum | CNPS-EB: C | western marsh-rosemary, sea-lavender, ma | |
| Limosella acaulis | CNPS-EB: A1 | southern mudwort | |
| Lupinus arboreus | CNPS-EB: A2 | yellow bush lupine | |
| Nuttallanthus texanus | CNPS-EB: A2 | blue toadflax | |
| Phalaris angusta | (historical-1912) | CNPS-EB: A1x | narrow canary grass |
| Pleuropogon californicus var. californicus | CNPS-EB: B | semaphore grass | |
| Rumex salicifolius | (formerly R. salicifolius var. salicifolius) | CNPS-EB: B | willow dock |
| Spartina foliosa | CNPS-EB: B | California cord grass | |
| Stephanomeria elata | CNPS-EB: A1 | stephanomeria | |
| Trifolium hydrophilum | (vars. amplectens and truncatu | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | saline clover |
| Triodanis biflora | CNPS-EB: A2 | Venus' looking-glass | |
| Vicia hassei | CNPS-EB: A2 | slender vetch |