| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Apocynum androsaemifolium | CNPS-EB: A2 | bitter dogbane, dogbane | |
| Carex obnupta | CNPS-EB: B | slough sedge | |
| Cornus sericea subsp. sericea | CNPS-EB: C | American dogwood | |
| Garrya elliptica | CNPS-EB: B-PV | silk tassel bush | |
| Oxalis oregana | CNPS-EB: A1 | redwood sorrel | |
| Persicaria punctata | (formerly Polygonum punctatum) | CNPS-EB: C | water smartweed |
| Tellima grandiflora | CNPS-EB: C | fringe cups | |
| Iris longipetala | CNPS-EB: *A1 State CNPS: 4.2 Global Rank: G3 CNDDB Rank: S3 | coast iris | |
| Leptosiphon aureus | (formerly L.acicularis, Linanthus acicularis) | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4? CNDDB Rank: S4? | bristly leptosiphon, bristly linanthus |
| Monardella douglasii | CNPS-EB: A2 | fenestra monardella, Fenestra monardella | |
| Oxalis pilosa | (formerly O. albicans ssp. p.) | CNPS-EB: B | hairy wood-sorrel |
| Ranunculus orthorhynchus var. bloomeri | CNPS-EB: A1x | Bloomer's buttercup | |
| Rosa spithamea | CNPS-EB: C | coast ground rose, ground rose |