| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Anemopsis californica | CNPS-EB: B | yerba mansa, lizard tail | |
| Bidens laevis | CNPS-EB: A2 | bur-marigold | |
| Calystegia sepium subsp. limnophila | CNPS-EB: B | hedge bindweed | |
| Deschampsia cespitosa subsp. cespitosa | CNPS-EB: B-PV | tufted hairgrass | |
| Eryngium articulatum | CNPS-EB: A1 | beethistle, coyote-thistle | |
| Erythranthe cf. scouleri | CNPS-EB: A1 | ||
| Fraxinus latifolia | CNPS-EB: B | Oregon ash | |
| Galium trifidum subsp. columbianum | CNPS-EB: A1 | trifid bedstraw | |
| Helenium bigelovii | (H. puberulum is more common) | CNPS-EB: A2 | Bigelow's sneezeweed |
| Hydrocotyle ranunculoides | CNPS-EB: A2 | floating marsh pennywort | |
| Hydrocotyle verticillata | CNPS-EB: B | whorled marsh pennywort | |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: C | low club-rush |
| Lilaeopsis masonii | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G2 CNDDB Rank: S2 CESA Status: CR | Mason's lilaeopsis | |
| Lycopus americanus | CNPS-EB: A2 | cutleaf bugleweed | |
| Lycopus asper | CNPS-EB: A1 | bugleweed | |
| Lythrum californicum | CNPS-EB: B | California loosestrife | |
| Mentha canadensis | CNPS-EB: B | American cornmint, Japanese peppermint | |
| Oenothera elata subsp. hookeri | CNPS-EB: C | evening-primrose | |
| Persicaria hydropiperoides | (formerly Polygonum h.) | CNPS-EB: A2 | false waterpepper, water-pepper |
| Persicaria punctata | (formerly Polygonum punctatum) | CNPS-EB: C | water smartweed |
| Phragmites australis | CNPS-EB: B-PV | common reed | |
| Plantago subnuda | CNPS-EB: A2 | Mexican plantain | |
| Pluchea odorata var. odorata | CNPS-EB: B-PV | saltmarsh fleabane | |
| Potentilla anserina subsp. pacifica | CNPS-EB: A2 | Pacific silverweed | |
| Rumex crassus | (formerly R. salicifolius var. crassus | CNPS-EB: A2 | willow dock |
| Samolus parviflorus | CNPS-EB: A1 | seaside brookweed, water-pimpernel | |
| Senecio hydrophilus | CNPS-EB: A2 | water ragwort, alkali-marsh ragwort, alkali-marsh butterweed | |
| Symphyotrichum lentum | (formerly Aster lentus) | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Suisun marsh aster |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | CNPS-EB: B | slim aster |
| Triglochin striata | (T. maritima is more common) | CNPS-EB: B | three-ribbed arrow-grass |
| Bolboschoenus maritimus subsp. paludosus | (formerly Scirpus m.) | CNPS-EB: C | bulrush |
| Cephalanthus occidentalis | CNPS-EB: A2 | button bush | |
| Eclipta prostrata | CNPS-EB: A1 | false daisy | |
| Epilobium campestre | CNPS-EB: B | smooth boisduvalia | |
| Eryngium vaseyi var. vallicola | CNPS-EB: A1 | coyote-thistle, Vasey's coyote-thistle | |
| Juncus articulatus subsp. articulatus | CNPS-EB: A1x | jointed rush | |
| Juncus mexicanus | CNPS-EB: C | Mexican rush | |
| Lathyrus jepsonii var. jepsonii | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G5T2 CNDDB Rank: S2 | delta tule pea, Delta tule pea | |
| Panicum capillare | CNPS-EB: A2 | witch grass | |
| Spergularia macrotheca var. macrotheca | CNPS-EB: A2 | large-flowered sand spurry | |
| Stachys albens | CNPS-EB: B | white hedge nettle |