| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Erigeron philadelphicus var. philadelphicus | CNPS-EB: C | fleabane | |
| Layia gaillardioides | CNPS-EB: A2 | woodland layia | |
| Meconella oregana | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G2 CNDDB Rank: S2 | Oregon meconella | |
| Rosa spithamea | CNPS-EB: C | coast ground rose, ground rose | |
| Calamagrostis rubescens | CNPS-EB: B | pine reed grass, pine grass | |
| Plagiobothrys tenellus | CNPS-EB: B | Pacific popcornflower, slender popcornflower |