types of birch trees in canada
A third species of birch tree growing in Alaska is Kenai birch, Betula kenaica, which grows on the Kenai Peninsula. Kenai birch is smaller in size than the other two species of birch trees in Alaska.Kenai birchâs relationship to other birch trees is not well known. It is thought to be most closely related to paper birch.imberley Maher: Birch â growing in the boreal forest. Birch is one of six types of trees that grow in the Alaskan boreal forest, or taiga. The circumpolar boreal forest, named after Boreas, the Greek god of the North Wind, is the largest terrestrial biome on earth and reaches across Canada, Scandinavia, and Siberia.