| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | CNPS-EB: C | salt-marsh dodder |
| Triglochin striata | (T. maritima is more common) | CNPS-EB: B | three-ribbed arrow-grass |
| Cyperus erythrorhizos | CNPS-EB: B | red-rooted cyperus | |
| Eclipta prostrata | CNPS-EB: A1 | false daisy | |
| Rumex fueginus | CNPS-EB: A2 | golden dock |