| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Cirsium cymosum var. cymosum | CNPS-EB: C | peregrine thistle | |
| Deschampsia elongata | CNPS-EB: C | slender hair grass | |
| 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 | |
| Garrya elliptica | CNPS-EB: B | silk tassel bush | |
| Helianthella castanea | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Diablo helianthella | |
| Piperia elegans subsp. elegans | CNPS-EB: C | coast piperia, elegant piperia | |
| Quercus wislizeni var. frutescens | CNPS-EB: C | shrubby interior live oak | |
| Salix scouleriana | CNPS-EB: A2 | Scouler's willow | |
| Turritis glabra | CNPS-EB: B | tower mustard | |
| Vaccinium ovatum | CNPS-EB: C | California huckleberry | |
| Acaena californica | (formerly A. pinnatifida var. californica) | CNPS-EB: C | California acaena |
| Amelanchier utahensis | CNPS-EB: C | Utah service-berry | |
| Androsace elongata subsp. acuta | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G5?T3T4 CNDDB Rank: S3S4 | California androsace | |
| Arctostaphylos crustacea subsp. crustacea | CNPS-EB: C | brittleleaf manzanita | |
| Arctostaphylos glandulosa subsp. glandulosa | CNPS-EB: B | Eastwood manzanita | |
| Cirsium quercetorum | CNPS-EB: A2 | brownie thistle | |
| Elymus trachycaulus subsp. trachycaulus | CNPS-EB: A1 | slender wheat grass | |
| Lasthenia glabrata subsp. glabrata | CNPS-EB: A2 | yellow-ray goldfields | |
| Lupinus affinis | CNPS-EB: A1 | lupine | |
| Microseris douglasii subsp. tenella | (subsp douglasii is more common) | CNPS-EB: A2 | silver puffs |
| Moehringia macrophylla | CNPS-EB: A2 | large-leaved sandwort, big-leaf sandwort | |
| Myosurus minimus subsp. minimus | CNPS-EB: C | common mouse-tail | |
| Navarretia mellita | CNPS-EB: C | honey-scented navarretia | |
| Phacelia douglasii | CNPS-EB: A1 | Douglas' phacelia | |
| Prunus emarginata | CNPS-EB: C | bitter cherry | |
| Rumex transitorius | CNPS-EB: B | willow dock | |
| Tetrapteron graciliflorum | CNPS-EB: C | hill sun cup | |
| Trifolium dichotomum | CNPS-EB: C | branched indian clover |