| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Calochortus umbellatus | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G3? CNDDB Rank: S3? | Oakland star-tulip | |
| Carex gracilior | CNPS-EB: A1 | slender sedge | |
| Carex obnupta | CNPS-EB: B | slough sedge | |
| Carex subbracteata | CNPS-EB: B | small-bracted sedge | |
| Cuscuta subinclusa | CNPS-EB: C | canyon dodder | |
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Festuca californica | CNPS-EB: B-PV | California fescue | |
| Fraxinus latifolia | CNPS-EB: B | Oregon ash | |
| Helianthella castanea | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Diablo helianthella | |
| Platanus racemosa | CNPS-EB: C | western sycamore, California sycamore | |
| Quercus lobata | CNPS-EB: C | valley oak, roble | |
| Scirpus microcarpus | CNPS-EB: C | small-fruited bulrush | |
| Deschampsia elongata | CNPS-EB: B-PV | slender hair grass | |
| Hesperevax acaulis var. ambusticola | (H. sparsiflora is more common | CNPS-EB: A1x | fire evax |
| Hesperevax caulescens | (H. sparsiflora is more common | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G3 CNDDB Rank: S3 | hogwallow starfish |