Species:
     Viola adunca   (early blue violet, western dog violet, hookspur violet)  (4 images)
     Viola beckwithii ssp. glabrata   (Beckwith's violet, Great Basin violet)  (14 images)
     Viola macloskeyi   (small white violet)
     Viola nephrophylla   (northern bog vioilet)
     Viola praemorsa   (upland yellow violet, canary or Nuttall's violet)  (9 images)
     Viola purpurea ssp. venosa   (goosefoot or purplish violet)  (11 images)
     Viola vallicola   (sagebrush violet, valley yellow violet)