| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Ambrosia chamissonis | CNPS-EB: C | beach bur-sage, beach-bur | |
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | CNPS-EB: C | salt-marsh dodder |
| Limonium californicum | CNPS-EB: C | western marsh-rosemary, sea-lavender, ma | |
| 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 | |
| Bidens frondosa | CNPS-EB: B | sticktight | |
| 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 |
| Juncus phaeocephalus var. phaeocephalus | CNPS-EB: B | brownheaded rush | |
| Lasthenia glabrata subsp. glabrata | CNPS-EB: A2 | yellow-ray goldfields | |
| Lepidium oxycarpum | CNPS-EB: A2 | sharp-podded pepper-grass | |
| Oenothera elata subsp. hookeri | CNPS-EB: B | evening-primrose | |
| 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 |