Viola labradorica
Viola labradorica, commonly known as alpine violet, American dog violet, dog violet, and Labrador violet, is a perennial. It is native to Greenland, eastern Canada, and the eastern United States. The plant sold as Viola labradorica by nurseries is Viola riviniana.Uses
Culinary
Viola labradorica has edible leaves and flowers. The leaves are sometimes characterized as "wooly" and thus not as desirable for eating.A purple-leaved form of the European dog-violet, is often sold by nurseries as Viola labradorica. The true Viola labradorica is almost never sold.
Viola riviana is grown as a flowering groundcover in gardens and as a house plant. It can become naturalized, or even an invasive species, when planted near adjacent native plant habitats and natural-wildland ecosystems.