| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| 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 | |
| Erythranthe cf. scouleri | CNPS-EB: A1 | ||
| Lathyrus jepsonii var. jepsonii | CNPS-EB: *A2 State CNPS: 1B.2 | delta tule pea, Delta tule pea | |
| Lilaeopsis masonii | CNPS-EB: *A2 State CNPS: 1B.1 CESA Status: CR | Mason's lilaeopsis | |
| Phyla lanceolata | CNPS-EB: A1 | fog-fruit | |
| Plantago subnuda | CNPS-EB: A2 | Mexican plantain | |
| Potentilla anserina subsp. pacifica | CNPS-EB: A2 | Pacific silverweed | |
| Senecio hydrophilus | CNPS-EB: A2 | water ragwort, alkali-marsh ragwort, alkali-marsh butterweed | |
| Blepharizonia plumosa | CNPS-EB: *A2 State CNPS: 1B.1 | big tarplant | |
| Oenothera deltoides subsp. howellii | CNPS-EB: *A2 State CNPS: 1B.1 FESA Status: FE CESA Status: CE | Antioch Dunes evening-primrose | |
| Symphyotrichum lentum | (formerly Aster lentus) | CNPS-EB: *A2 State CNPS: 1B.2 | Suisun marsh aster |
| Amaranthus blitoides | CNPS-EB: C | procumbent pigweed, prostrate amaranth | |
| Bolboschoenus maritimus subsp. paludosus | (formerly Scirpus m.) | CNPS-EB: C | bulrush |
| California macrophylla | (formerly Erodium macrophyllum | CNPS-EB: B-PV | round-leaved filaree |
| Calystegia sepium subsp. limnophila | CNPS-EB: B-PV | hedge bindweed | |
| Deschampsia cespitosa subsp. holciformis | CNPS-EB: B | tufted hairgrass | |
| Gutierrezia californica | CNPS-EB: B-PV | California matchweed | |
| Helenium bigelovii | (H. puberulum is more common) | CNPS-EB: B-PV | Bigelow's sneezeweed |
| Helianthus californicus | CNPS-EB: C | California sunflower | |
| Hoita macrostachya | CNPS-EB: C | California hemp | |
| Limonium californicum | CNPS-EB: B-PV | western marsh-rosemary, sea-lavender, ma | |
| Lycopus americanus | CNPS-EB: B | cutleaf bugleweed | |
| Phragmites australis | CNPS-EB: B-PV | common reed | |
| Pluchea odorata var. odorata | CNPS-EB: B-PV | saltmarsh fleabane | |
| Populus trichocarpa | (formerly P. balsamifera var. | CNPS-EB: C | black cottonwood |
| Sesuvium verrucosum | CNPS-EB: B-PV | western sea-purslane, sea-purslane | |
| Triglochin striata | (T. maritima is more common) | CNPS-EB: B | three-ribbed arrow-grass |
| Balsamorhiza deltoidea | CNPS-EB: B-PV | deltoid balsamroot | |
| Blepharizonia laxa | (formerly B. plumosa ssp. visc | CNPS-EB: B | big tarplant |
| Brodiaea terrestris subsp. terrestris | CNPS-EB: B-PV | dwarf brodiaea | |
| Collinsia sparsiflora var. unknown | CNPS-EB: C? | few-flowered blue-eyed Mary | |
| Deinandra lobbii | (formerly Hemizonia l.) | CNPS-EB: C | three-rayed tarweed |
| Gilia capitata subsp. staminea | CNPS-EB: B-PV | blue field gilia | |
| Heterotheca sessiliflora subsp. bolanderi | H. s. ssp. echioides is more common | CNPS-EB: C | Bolander goldenaster |
| Juncus mexicanus | CNPS-EB: C | Mexican rush | |
| Lasthenia microglossa | CNPS-EB: B | small-ray goldfields | |
| Lomatium caruifolium var. caruifolium | CNPS-EB: B-PV | caraway-leaved lomatium | |
| Monolopia major | CNPS-EB: B | cupped monolopia | |
| Nemophila pedunculata | CNPS-EB: B | meadow nemophila | |
| Persicaria punctata | (formerly Polygonum punctatum) | CNPS-EB: C | water smartweed |
| Plagiobothrys acanthocarpus | CNPS-EB: B-PV | adobe popcornflower, adobe allocarya | |
| Plagiobothrys canescens var. canescens | CNPS-EB: C | valley popcornflower | |
| Plagiobothrys fulvus var. campestris | CNPS-EB: B | field popcornflower, fulvous popcornflower | |
| Quercus lobata | CNPS-EB: B-PV | valley oak, roble | |
| Salix gooddingii | CNPS-EB: B | Goodding's black willow | |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | CNPS-EB: B-PV | slim aster |