| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Arbutus menziesii | CNPS-EB: B | Pacific madrone | |
| Castilleja wightii | CNPS-EB: B | Wight's indian paintbrush | |
| Juncus phaeocephalus var. phaeocephalus | CNPS-EB: B | brownheaded rush | |
| Streptanthus albidus subsp. peramoenus | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2T2 CNDDB Rank: S2 | most beautiful jewel-flower | |
| Trifolium olivaceum | CNPS-EB: C | olive clover | |
| Clarkia purpurea subsp. viminea | (ssp. quadrivulnera more common | CNPS-EB: A1 | large godetia |
| Dudleya cymosa subsp. paniculata | CNPS-EB: C | spreading dudleya | |
| Helianthus californicus | CNPS-EB: C | California sunflower | |
| Oxalis pilosa | (formerly O. albicans ssp. p.) | CNPS-EB: B | hairy wood-sorrel |
| Platanus racemosa | CNPS-EB: C | western sycamore, California sycamore | |
| Polemonium carneum | CNPS-EB: *A1x State CNPS: 2B.2 Global Rank: G3G4 CNDDB Rank: S2 | Oregon polemonium, great polemonium | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass |