| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Anemopsis californica | CNPS-EB: B | yerba mansa, lizard tail | |
| Blennosperma nanum var. nanum | CNPS-EB: C | blennosperma | |
| Chorizanthe uniaristata | (historical-1884) | CNPS-EB: A1x | one-awn spineflower |
| Leptosiphon ciliatus | (formerly Linanthus c.) | CNPS-EB: C | whisker brush |
| Thysanocarpus laciniatus | CNPS-EB: B | lacepod |