Viola praemorsa Douglas ex Lindl.
A lance-leaved yellow violet, found from western Colorado to the west and north.
Plant habit in sagebrush shrubland along Cow Creek on the northeast side of Roan Plateau, Colorado, 16 Jun 2008.
A flower along Cow Creek, Colorado, 16 Jun 2008.
Leaves on the northeast side of Roan Plateau in sagebrush shrubland, 16 Jun 2008.