| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Calamagrostis rubescens | CNPS-EB: B | pine reed grass, pine grass | |
| Centromadia parryi subsp. congdonii | (formerly Hemizonia p. ssp. c. | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G3T2 CNDDB Rank: S2 | Congdon's tarplant |
| Delphinium variegatum subsp. variegatum | CNPS-EB: C | royal larkspur | |
| Populus trichocarpa | (formerly P. balsamifera var. | CNPS-EB: C | black cottonwood |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | CNPS-EB: C | fragrant everlasting |
| Quercus lobata | CNPS-EB: B | valley oak, roble | |
| Rumex crassus | (formerly R. salicifolius var. | CNPS-EB: A1 | willow dock |
| Stachys ajugoides | (var. rigida is more common) | CNPS-EB: A2 | bugle hedge nettle |
| Trifolium fucatum | CNPS-EB: C | bull clover |