| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Garrya elliptica | CNPS-EB: B | silk tassel bush | |
| Gruvelia pusilla | (formerly Pectocarya pusilla) | CNPS-EB: B | little pectocarya |
| Ligusticum apiifolium | CNPS-EB: A2 | Pacific lovage | |
| Meconella oregana | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G2G3 CNDDB Rank: S2 | Oregon meconella | |
| Sedum spathulifolium | CNPS-EB: B | broadleaf stonecrop, Pacific stonecrop | |
| Turritis glabra | CNPS-EB: B | tower mustard | |
| Acaena californica | (formerly A. pinnatifida var. californica) | CNPS-EB: C | California acaena |
| Aphyllon purpureum | CNPS-EB: C | naked broomrape | |
| Delphinium nudicaule | CNPS-EB: C | red larkspur, orange larkspur | |
| Festuca rubra | CNPS-EB: C | red fescue | |
| Senecio aronicoides | CNPS-EB: C | rayless ragwort, California butterweed |