| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Anisocarpus madioides | (formerly Madia m.) | CNPS-EB: B | woodland tarweed, woodland madia |
| Aralia californica | CNPS-EB: C | elk clover | |
| Asarum caudatum | CNPS-EB: B | wild-ginger | |
| Cornus sericea subsp. sericea | CNPS-EB: C | American dogwood | |
| Galium triflorum | CNPS-EB: C | sweet-scented bedstraw | |
| Petasites frigidus var. palmatus | CNPS-EB: A1 | western sweet coltsfoot, coltsfoot | |
| Viola glabella | CNPS-EB: A2 | stream violet, smooth yellow violet | |
| Adiantum aleuticum | (A. jordanii is more common) | CNPS-EB: A1 | five-finger fern |
| Arbutus menziesii | CNPS-EB: B | Pacific madrone | |
| Asclepias speciosa | (A. californica is more common | CNPS-EB: B | showy milkweed, milkweed |
| Chrysolepis chrysophylla var. minor | CNPS-EB: A2 | golden chinquapin | |
| Clematis ligusticifolia | CNPS-EB: C | western virgin's bower, virgin's bower | |
| Cordylanthus pilosus subsp. pilosus | CNPS-EB: B | hairy bird's-beak | |
| Dendromecon rigida | CNPS-EB: A2 | bush poppy | |
| Dicentra formosa | CNPS-EB: A2 | Pacific bleeding heart, bleeding heart | |
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Oxalis oregana | CNPS-EB: A1 | redwood sorrel | |
| Poa howellii | CNPS-EB: A2 | Howell's bluegrass | |
| Prunus subcordata | CNPS-EB: C | Pacific plum, Sierra plum | |
| Scirpus microcarpus | CNPS-EB: C | small-fruited bulrush | |
| Silene laciniata subsp. californica | (formerly Silene c.) | CNPS-EB: B | Indian pink, California pink, California Indian pink |
| Trillium ovatum subsp. ovatum | CNPS-EB: A2 | white trillium |