| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Amelanchier utahensis | CNPS-EB: C | Utah service-berry | |
| Cornus sericea subsp. sericea | CNPS-EB: C | American dogwood | |
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Aralia californica | CNPS-EB: C | elk clover | |
| Arnica discoidea | CNPS-EB: B | rayless arnica | |
| Carex obnupta | CNPS-EB: B | slough sedge | |
| Castilleja rubicundula subsp. lithospermoides | CNPS-EB: B | cream sacs | |
| Festuca californica | CNPS-EB: C | California fescue | |
| Festuca rubra | CNPS-EB: C | red fescue | |
| Helianthella castanea | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Diablo helianthella | |
| Layia gaillardioides | CNPS-EB: A2 | woodland layia | |
| Polystichum imbricans subsp. imbricans | CNPS-EB: A1x | rock sword fern |