| Species | Common Name |
|---|---|
| Viola adunca subsp. adunca | western blue violet |
| Viola douglasii | Douglas violet |
| Viola glabella | stream violet |
| Viola pedunculata | johnny-jump-up |
| Viola purpurea subsp. purpurea | mountain violet |
| Viola purpurea subsp. quercetorum | |
| Viola sempervirens | evergreen violet |
| Viola sheltonii | fan violet |