Some of the most common willows in Alaska are the Alaska willow, Bebb willow, black willow and the little tree willow. Alaska willows occur everywhere -- from the coast to above the Arctic Circle.

Tundra is by definition a cold, treeless landscape. But scientists have found that in a part of the Eurasian Arctic, willow and alder shrubs, once stunted by harsh weather, have been growing ...

image: This tiny arctic willow, Salix polaris, is one of the most important foods for reindeer on Svalbard. While reindeer and caribou elsewhere in the world subsist on lichen, on Svalbard lichen ...