| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Iris douglasiana | CNPS-EB: B | Douglas iris | |
| Ligusticum apiifolium | CNPS-EB: A2 | Pacific lovage | |
| Amsinckia lunaris | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G3 CNDDB Rank: S3 | bent-flowered fiddleneck | |
| Dudleya farinosa | CNPS-EB: A2 | bluff lettuce, powdery dudleya | |
| Stephanomeria elata | CNPS-EB: A1 | stephanomeria |