| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Centromadia parryi subsp. congdonii | (formerly Hemizonia p. ssp. c. | CNPS-EB: *A2 State CNPS: 1B.1 | Congdon's tarplant |
| Chloropyron molle subsp. molle | CNPS-EB: *A2 State CNPS: 1B.2 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 | delta tule pea, Delta tule pea | |
| Lysimachia maritima | CNPS-EB: A1 | sea-milkwort | |
| Plantago maritima | CNPS-EB: A1 | Pacific seaside plantain | |
| Potentilla anserina subsp. pacifica | CNPS-EB: A2 | Pacific silverweed | |
| Senecio hydrophilus | CNPS-EB: A2 | water ragwort, alkali-marsh ragwort, alkali-marsh butterweed | |
| Persicaria hydropiperoides | (formerly Polygonum h.) | CNPS-EB: B | false waterpepper, water-pepper |
| Phragmites australis | CNPS-EB: B-PV | common reed | |
| Sesuvium verrucosum | CNPS-EB: B-PV | western sea-purslane, sea-purslane | |
| Helenium bigelovii | (H. puberulum is more common) | CNPS-EB: B-PV | Bigelow's sneezeweed |
| Helianthus californicus | CNPS-EB: C | California sunflower | |
| Triglochin striata | (T. maritima is more common) | CNPS-EB: B | three-ribbed arrow-grass |