rydbergii or Viola canadensis ssp. rydbergii
A white-flowered violet, Viola
canadensis forms dense patches in shaded areas, often under thickets near
Compare to Viola scopulorum, which
is a looks like a small version of V. rydbergii. V. scopulorum
lacks hairs on the upper stem and veins of the undersides of leaves. Some taxonomists
consider V. scopulorum and V. rydbergii to be varieties or subspecies
of a single species, V. canadensis.