Lophion aduncum Nieuwl. & Lunell
Lophion anisopetalum (Greene) Nieuwl. & Lunell
Viola albertina Greene
Viola anisopetala Greene
Viola bellidifolia Greene
Viola cardaminefolia Greene
Viola cascadensis M.S.Baker
Viola centellifolia Greene
Viola clarkiae A.Nelson
Viola compacta Greene
Viola cordulata Greene
Viola demissa Greene
Viola desertorum Greene
Viola drepanophora Greene
Viola filipes Greene
Viola fulcrata Greene
Viola huronensis Greene
Viola inamoena Greene
Viola longipes Nutt.
Viola mamillata Greene
Viola montanensis Rydb.
Viola odontophora Rydb.
Viola oreocallis Greene
Viola oreophila Greene
Viola oxyceras (S.Watson) Greene
Viola oxysepala Greene
Viola petrophila Greene
Viola retroscabra Greene
Viola stenantha Greene
Viola subvestita Greene
Viola tidestromii Greene
Viola uncinulata Greene
Viola unguiculata Greene
Viola verbascula Greene
