| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Adiantum aleuticum | (A. jordanii is more common) | CNPS-EB: A1 | five-finger fern |
| Anisocarpus madioides | (formerly Madia m.) | CNPS-EB: B | woodland tarweed, woodland madia |
| Aralia californica | CNPS-EB: C | elk clover | |
| Arctostaphylos crustacea subsp. crustacea | CNPS-EB: C | brittleleaf manzanita | |
| Arctostaphylos pallida | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G1 CNDDB Rank: S1 FESA Status: FT CESA Status: CE | pallid manzanita | |
| Asarum caudatum | CNPS-EB: B | wild-ginger | |
| Cirsium brevistylum | CNPS-EB: B | indian thistle | |
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Galium triflorum | CNPS-EB: C | sweet-scented bedstraw | |
| Trillium ovatum subsp. ovatum | CNPS-EB: A2 | white trillium | |
| Viola glabella | CNPS-EB: A2 | stream violet, smooth yellow violet | |
| Arnica discoidea | CNPS-EB: B | rayless arnica | |
| Hieracium albiflorum | CNPS-EB: C | white hawkweed | |
| Rhinotropis californica | (formerly Polygala californica) | CNPS-EB: A1 | California milkwort |
| Salix scouleriana | CNPS-EB: A2 | Scouler's willow | |
| Stephanomeria elata | CNPS-EB: A1 | stephanomeria |