| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Anemopsis californica | CNPS-EB: B | yerba mansa, lizard tail | |
| Apocynum cannabinum | CNPS-EB: B | dogbane, Indian-hemp | |
| Bidens laevis | CNPS-EB: A2 | bur-marigold | |
| Calystegia sepium subsp. limnophila | CNPS-EB: B | hedge bindweed | |
| Camissonia contorta | CNPS-EB: C | contorted primrose | |
| Camissonia strigulosa | CNPS-EB: A1 | contorted primrose | |
| Camissoniopsis micrantha | CNPS-EB: C | small primrose | |
| Cicuta maculata var. bolanderi | CNPS-EB: *A1 State CNPS: 2B.1 Global Rank: G5T4T5 CNDDB Rank: S2? | Bolander's water-hemlock, water hemlock | |
| Croton californicus | CNPS-EB: A2 | California croton | |
| Gilia capitata subsp. staminea | CNPS-EB: C | blue field gilia | |
| Helenium bigelovii | (H. puberulum is more common) | CNPS-EB: A2 | Bigelow's sneezeweed |
| Hydrocotyle ranunculoides | CNPS-EB: A2 | floating marsh pennywort | |
| Lycopus americanus | CNPS-EB: A2 | cutleaf bugleweed | |
| Lythrum californicum | CNPS-EB: B | California loosestrife | |
| Oenothera deltoides subsp. howellii | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G5T1 CNDDB Rank: S1 FESA Status: FE CESA Status: CE | Antioch Dunes evening-primrose | |
| Persicaria lapathifolia | (formerly Polygonum lapathifol | CNPS-EB: B | willow weed |
| Phragmites australis | CNPS-EB: C | common reed | |
| Pluchea odorata var. odorata | CNPS-EB: B | saltmarsh fleabane | |
| Sesuvium verrucosum | CNPS-EB: B | western sea-purslane, sea-purslane | |
| Acmispon strigosus | CNPS-EB: B | strigose trefoil | |
| Allenrolfea occidentalis | CNPS-EB: C | iodine bush | |
| Amsinckia tessellata var. tessellata | CNPS-EB: A1 | desert fiddleneck, devil's lettuce | |
| Galium trifidum subsp. columbianum | CNPS-EB: A1 | trifid bedstraw | |
| Lilaeopsis masonii | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G2 CNDDB Rank: S2 CESA Status: CR | Mason's lilaeopsis | |
| Lysimachia minima | (formerly Anagallis minima, Centunculus minimus) | CNPS-EB: A1 | chaffweed |
| Samolus parviflorus | CNPS-EB: A1 | seaside brookweed, water-pimpernel | |
| Symphyotrichum lentum | (formerly Aster lentus) | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Suisun marsh aster |