| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Atriplex leucophylla | CNPS-EB: B | beach saltbush | |
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | CNPS-EB: C | salt-marsh dodder |
| Deinandra lobbii | (formerly Hemizonia l.) | CNPS-EB: C | three-rayed tarweed |
| Garrya elliptica | CNPS-EB: B | silk tassel bush | |
| Laennecia coulteri | (formerly Conyza c.) | CNPS-EB: A1 | Coulter's horseweed, Coulter's conyza |
| Panicum capillare | CNPS-EB: A2 | witch grass | |
| Prunus ilicifolia subsp. ilicifolia | CNPS-EB: B | islay, holly-leafed cherry | |
| Stephanomeria elata | CNPS-EB: A2 | stephanomeria | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass | |
| Ammannia coccinea | CNPS-EB: A1 | long-leaved ammannia | |
| Astragalus tener var. tener | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2T1 CNDDB Rank: S1 | alkali milkvetch | |
| Castilleja wightii | CNPS-EB: B | Wight's indian paintbrush | |
| Cryptantha clevelandii var. florosa | CNPS-EB: B | Cleveland's cryptantha | |
| Downingia pulchella | CNPS-EB: B | flat-faced downingia | |
| Holocarpha macradenia | CNPS-EB: *A1 State CNPS: 1B.1 Global Rank: G1 CNDDB Rank: S1 FESA Status: FT CESA Status: CE | Santa Cruz tarplant | |
| Leptosiphon aureus | (formerly L.acicularis, Linanthus acicularis) | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4? CNDDB Rank: S4? | bristly leptosiphon, bristly linanthus |
| Limonium californicum | CNPS-EB: C | western marsh-rosemary, sea-lavender, ma | |
| Pseudognaphalium microcephalum | (formerly Gnaphalium canescens | CNPS-EB: A1 | white everlasting |
| Pyrrocoma racemosa var. racemosa | CNPS-EB: A1 | racemose pyrrocoma | |
| Rumex salicifolius var. unknown | CNPS-EB: A2? | willow dock | |
| Scutellaria siphocampyloides | CNPS-EB: A1 | gray-leaved skullcap | |
| Setaria parviflora | CNPS-EB: B | knotroot bristle grass, perennial foxtail | |
| Spartina foliosa | CNPS-EB: B | California cord grass | |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | CNPS-EB: B | slim aster |