Verbatim text: Hardin, J. W. and J. M. Bell. 1986. Atlas of foliar surface features in woody plants, IX. Betulaceae of eastern United States. Brittonia 38: 133--144.
Author: Hardin, J.W., Bell, J.M.
Year: 1986
Title: Atlas of foliar surface features in woody plants, IX. Betulaceae of eastern United States
Journal: Brittonia
Volume: 38
Pages: 133–144