Verbatim text: Mahler, W. F. and U. T. Waterfall. 1964. Baccharis (Compositae) in Oklahoma, Texas, and New Mexico. SouthW. Naturalist 9: 189–202.
Author: Mahler, W.F., Waterfall, U.T.
Year: 1964
Title: Baccharis (Compositae) in Oklahoma, Texas, and New Mexico
Journal: SouthW. Naturalist
Volume: 9
Pages: 189–202