| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Calystegia sepium subsp. limnophila | CNPS-EB: B | hedge bindweed | |
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | CNPS-EB: C | salt-marsh dodder |
| Chloropyron molle subsp. molle | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2T1 CNDDB Rank: S1 FESA Status: FE CESA Status: CR | soft salty bird's-beak, soft bird's-beak | |
| Lathyrus jepsonii var. jepsonii | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G5T2 CNDDB Rank: S2 | delta tule pea, Delta tule pea | |
| Panicum capillare | CNPS-EB: A2 | witch grass | |
| Phragmites australis | CNPS-EB: C | common reed | |
| Spartina foliosa | CNPS-EB: B | California cord grass | |
| Spergularia macrotheca var. macrotheca | CNPS-EB: A2 | large-flowered sand spurry | |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | CNPS-EB: B | slim aster |
| Triglochin maritima | CNPS-EB: C | common arrow-grass, seaside arrow-grass |