University of Vermont Center for Teaching and Learning
Betula lenta, Sweet Birch, Black Birch - Plant Database
Betula lenta (Black birch)
Omeka@CTL UVM Tree Profiles : Eastern Red Cedar : Description
Omeka@CTL UVM Tree Profiles : Quaking Aspen : How Does It Grow?
Virginia Tech Dendrology Fact Sheet
Black Birch Yale Nature Walk
Black Birch Yale Nature Walk
Virginia Tech Dendrology Fact Sheet
Birch Leaf - betula pendula
Black birch hi-res stock photography and images - Alamy