| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Blepharizonia plumosa | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G1G2 CNDDB Rank: S1S2 | big tarplant | |
| Festuca idahoensis | CNPS-EB: C | Idaho fescue, blue bunchgrass | |
| Monolopia major | CNPS-EB: B | cupped monolopia | |
| Delphinium gypsophilum | CNPS-EB: A1 | gypsum-loving larkspur | |
| Eriogonum angulosum | CNPS-EB: B | angle-stem wild buckwheat, angle-stemmed eriogonum | |
| Phacelia ciliata | CNPS-EB: B | Great Valley phacelia, Great Valley phacelia | |
| Phacelia tanacetifolia | CNPS-EB: B | tansy phacelia | |
| Trifolium dichotomum | CNPS-EB: C | branched indian clover | |
| Tropidocarpum gracile | CNPS-EB: B | slender tropidocarpum |