| 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 | |
| Garrya elliptica | CNPS-EB: B | silk tassel bush | |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: C | low club-rush |
| Silene laciniata subsp. californica | (formerly Silene c.) | CNPS-EB: C | Indian pink, California pink, California Indian pink |
| Tellima grandiflora | CNPS-EB: C | fringe cups | |
| Agrostis hallii | CNPS-EB: A2 | Hall's bent grass | |
| Arbutus menziesii | CNPS-EB: B | Pacific madrone | |
| Cicuta douglasii | CNPS-EB: A2 | water-hemlock | |
| Cornus sericea subsp. occidentalis | CNPS-EB: C | western dogwood | |
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Heterotheca sessiliflora subsp. bolanderi | (H. s. ssp. echioides is more | CNPS-EB: C | Bolander goldenaster |
| Hoita orbicularis | (historical-1936) | CNPS-EB: A1x | round-leaved psoralea |
| Horkelia californica var. californica | CNPS-EB: A1 | California horkelia | |
| Poa howellii | CNPS-EB: A2 | Howell's bluegrass | |
| Salix scouleriana | CNPS-EB: A2 | Scouler's willow | |
| Stephanomeria elata | CNPS-EB: A1 | stephanomeria |