Verbatim text: Payne, W. W. 1964. A re-evaluation of the genus Ambrosia (Compositae). J. Arnold Arbor. 45: 401–430.
Author: Payne, W.W.
Year: 1964
Title: A re-evaluation of the genus Ambrosia (Compositae)
Journal: J. Arnold Arbor
Volume: 45
Pages: 401–430