| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Calochortus umbellatus | CNPS-EB: *A2 State CNPS: 4.2 | Oakland star-tulip | |
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 | western leatherwood | |
| Helianthella castanea | CNPS-EB: *A2 State CNPS: 1B.2 | Diablo helianthella | |
| Polystichum imbricans subsp. imbricans | CNPS-EB: A1x | rock sword fern | |
| Amelanchier utahensis | CNPS-EB: C | Utah service-berry | |
| Cornus sericea subsp. sericea | CNPS-EB: C | American dogwood | |
| Marah oregana | CNPS-EB: B-PV | coast man-root | |
| Allium unifolium | CNPS-EB: B-PV | one-leaved onion | |
| Aralia californica | CNPS-EB: B-PV | elk clover | |
| Arnica discoidea | CNPS-EB: B-PV | rayless arnica | |
| Carex obnupta | CNPS-EB: B | slough sedge | |
| Castilleja rubicundula subsp. lithospermoides | CNPS-EB: B-PV | cream sacs | |
| Festuca californica | CNPS-EB: B-PV | California fescue | |
| Festuca rubra | CNPS-EB: B-PV | red fescue | |
| Layia gaillardioides | CNPS-EB: B-PV | woodland layia | |
| Layia hieracioides | CNPS-EB: B-PV | tall layia | |
| Rhamnus crocea | CNPS-EB: B-PV | spiny redberry |