These East Bay species are protected by the California Endangered Species Act or the Federal Endangered Species Act.
| Species | Common Name | California | Federal |
|---|---|---|---|
| Amsinckia grandiflora | large-flowered fiddleneck | Endangered | Endangered |
| Arctostaphylos pallida | pallid manzanita | Endangered | Threatened |
| Chloropyron molle subsp. molle | soft bird's-beak | Rare | Endangered |
| Chloropyron palmatum | palmate bird's-beak | Endangered | Endangered |
| Clarkia franciscana | Presidio clarkia | Endangered | Endangered |
| Cordylanthus nidularius | Mt. Diablo bird's-beak | Rare | |
| Deinandra bacigalupii | Livermore moonshine | Endangered | |
| Eriastrum ertterae | Lime Ridge eriastrum | Candidate | |
| Erysimum capitatum var. angustatum | Contra Costa wallflower | Endangered | Endangered |
| Holocarpha macradenia | Santa Cruz tarplant | Endangered | Threatened |
| Lasthenia conjugens | Contra Costa goldfields | Endangered | |
| Lilaeopsis masonii | Mason's lilaeopsis | Rare | |
| Oenothera deltoides subsp. howellii | Antioch Dunes evening-primrose | Endangered | Endangered |
| Sanicula saxatilis | rock sanicle | Rare | |
| Suaeda californica | California sea-blite | Endangered |