The natural history of the northwoods .
Hybridization is common.
Paper Birch naturally hybridizes with almost every native birch species. Medium sized, single or multiple stemmed, deciduous tree. In forests a slender trunk with a narrow crown, but in openings a wider crown spreading out from near the base. Multiple-stemmed trees are relatively common as a result of browsing by moose and snowhoe hares. Transcontinental distribution across northern North America.