Paper Birch (Betula papyrifera):  Rich dark green leaves that turn a beautiful yellow in fall.  Well shaped, hardy tree with distinctive white, peeling bark when mature. May be single or multi trunked. Prefers moist soils.  Height: 12 m; Width: 6 m.  Full sun to partial shade. Zone 2

Photo Credits:
Steven Katovich, USDA Forest Service, Bugwood.org Chris Evans, University of Illinois, Bugwood.org Paul Wray, Iowa State University, Bugwood.org