| Aquilegia eximia | Van Houtte's columbine | A2 |
| Aquilegia formosa | red columbine | |
| Clematis ligusticifolia | western virgin's bower, virgin's bower | C |
| Delphinium californicum subsp. californicum | coast larkspur, California larkspur | B |
| Delphinium californicum subsp. interius | Hospital Canyon larkspur | *A2 |
| Delphinium decorum subsp. decorum | coast larkspur | |
| Delphinium gypsophilum | gypsum-loving larkspur | A1 |
| Delphinium hansenii subsp. hansenii | Hansen's larkspur | A2 |
| Delphinium hesperium subsp. hesperium | western larkspur | B |
| Delphinium nudicaule | red larkspur, orange larkspur | C |
| Delphinium parryi subsp. parryi | Parry's larkspur | A2 |
| Delphinium recurvatum | recurved larkspur | *A1x |
| Delphinium variegatum subsp. variegatum | royal larkspur | C |
| Enemion occidentale | western rue-anemone | A2 |
| Enemion stipitatum | Siskiyou rue-anemone | A2 |
| Myosurus minimus subsp. apus | little mousetail | *A1 |
| Myosurus sessilis | sessile mouse-tail | A1 |
| Ranunculus canus var. canus | Sacramento Valley buttercup | C |
| Ranunculus lobbii | Lobb's aquatic buttercup | *A2 |
| Ranunculus occidentalis var. occidentalis | western buttercup | B |
| Ranunculus orthorhynchus var. bloomeri | Bloomer's buttercup | A1x |
| Ranunculus orthorhynchus var. orthorhynchus | straight-beaked buttercup | A1x |
| Myosurus minimus subsp. minimus | common mouse-tail | C |