''Betula cordifolia'' is a birch species native to Eastern Canada and the Northeastern United States. Until recently it was considered a variety of ''Betula papyrifera'', with which it shares many characteristics, and it was classified as ''B. papyrifera'' var.'' cordifolia'' Fern.
Not only are there genetic distinctions, but B. cordifolia is also much more restricted in range. In Minnesota it is found only in the extreme northeastern Arrowhead region. And not only are its leaves the.. more