Family Violaceae
Viola
Viola ×melissifolia
Viola ×sublanceolata
Viola adunca [X]
Viola arvensis
Viola blanda [X]
Viola canadensis [X]
Viola cucullata
Viola incognita
Viola labradorica
Viola lanceolata
Viola macloskeyi [X]
Viola minuscula
Viola nephrophylla
Viola odorata [X]
Viola pallens [X]
Viola palustris
Viola renifolia
Viola selkirkii
Viola septentrionalis
Viola sororia [X]
Viola tricolor