Verbatim text: Hardin, J. W. 1975. Hybridization and introgression in Quercus alba. J. Arnold Arbor. 56: 336-363.
Author: Hardin, J.W.
Year: 1975
Title: Hybridization and introgression in Quercus alba
Journal: J. Arnold Arbor
Volume: 56
Pages: 336–363