| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Extriplex joaquinana | CNPS-EB: *A2 State CNPS: 1B.2 | San Joaquin spearscale, San Joaquin saltbush | |
| 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 | |
| Cucurbita foetidissima | CNPS-EB: A1 | buffalo gourd, calabazilla, calabazilla | |
| Symphyotrichum lentum | (formerly Aster lentus) | CNPS-EB: *A2 State CNPS: 1B.2 | Suisun marsh aster |
| Phragmites australis | CNPS-EB: B-PV | common reed | |
| Pluchea odorata var. odorata | CNPS-EB: B-PV | saltmarsh fleabane | |
| Triglochin striata | (T. maritima is more common) | CNPS-EB: B | three-ribbed arrow-grass |
| Hoita macrostachya | CNPS-EB: C | California hemp | |
| Sporobolus foliosus | Formerly Spartina foliosa | CNPS-EB: B | California cord grass |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | CNPS-EB: B-PV | slim aster |