Reference:Solbrig1960a
Verbatim text: Solbrig, O. T. 1960. The status of the genera Amphiachyris, Amphipappus, Greenella, Gutierrezia, Gymnosperma, and Xanthocephalum (Compositae). Rhodora 62: 43–53.
Author: Solbrig, O.T.
Year: 1960
Title: The status of the genera Amphiachyris, Amphipappus, Greenella, Gutierrezia, Gymnosperma, and Xanthocephalum (Compositae)
Journal: Rhodora
Volume: 62
Pages: 43–53