| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Gutierrezia californica | CNPS-EB: B-PV | California matchweed | |
| Balsamorhiza deltoidea | CNPS-EB: B-PV | deltoid balsamroot | |
| Blennosperma nanum var. nanum | CNPS-EB: C | blennosperma | |
| 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 | CNPS-EB: C | Bolander goldenaster |
| Lasthenia microglossa | CNPS-EB: A2 | small-ray goldfields | |
| Lomatium caruifolium var. caruifolium | CNPS-EB: B | caraway-leaved lomatium | |
| Monolopia major | CNPS-EB: B | cupped monolopia | |
| Plagiobothrys acanthocarpus | CNPS-EB: B-PV | adobe popcornflower, adobe allocarya | |
| Plagiobothrys fulvus var. campestris | CNPS-EB: B | field popcornflower, fulvous popcornflower | |
| Trifolium oliganthum | CNPS-EB: C | few-flowered clover | |
| Wyethia glabra | (W. helenioides is more common | CNPS-EB: C | mule ears |