kingdom Plantae - plants »  divisio Magnoliophyta - flowering plants »  class Rosopsida - eudicots » order Malpighiales »  family Violaceae »  tribus Violeae > genus Viola > section Viola sect. Chamaemelanium  Ging. 

Viola subsect. Chrysanthae  W. Becker 

Viola beckwithii Torr. & Gray - Beckwith's Violet

Viola douglasii Steud. - Douglas' Golden Violet

Viola hallii Gray - Oregon Violet

Viola sheltonii Torr. - Shelton's Violet

Viola trinervata (T.J. Howell) T.J. Howell ex Gray - Rainier Violet