Description of Betulaceae Description of Betulaceae: Account of the family, including habit and leaf form, anatomy, morphology, physiology, biochemistry and geography. (Betulaceae) http://biodiversity.uno.edu/delta/angio/www/betulace.htm
The Betulaceae The Betulaceae: Describes the distinguishing characteristics of this family (the birch family) of monoecious trees and shrubs, comprising 6 genera. (Betulaceae) http://www.botany.hawaii.edu/faculty/carr/betul.htm