Verbatim text: Furlow, J. J. 1979. The systematics of the American species of Alnus (Betulaceae). Rhodora 81: 1--121, 151--248.
Author: Furlow, J.J.
Year: 1979
Title: The systematics of the American species of Alnus (Betulaceae)
Journal: Rhodora
Volume: 81
Pages: 1–121