| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Acanthomintha lanceolata | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4 CNDDB Rank: S4 | Santa Clara thornmint | |
| Phacelia breweri | CNPS-EB: C | Brewer's phacelia | |
| Ribes quercetorum | CNPS-EB: A2 | oakwoods gooseberry, oak gooseberry | |
| Streptanthus glandulosus subsp. glandulosus | CNPS-EB: B | jewelflower |