About Salix vestita Pursh
Salix vestita Pursh, commonly known as rock willow, is a small shrub that belongs to the willow genus Salix. This is an ancient species that occurs on both sides of the Bering Strait. Its distribution consists of a series of isolated, disjunct populations located in Central Siberia, the northern Rocky Mountains, the west coast of Hudson Bay, and the northeastern arctic and subarctic. Within Nunavut, this species grows on Akpatok Island in Ungava Bay and on the Belcher Islands in Hudson Bay. It may already be extirpated in Washington.