Reference:Mears1975a
Verbatim text: Mears, J. A. 1975. The taxonomy of Parthenium section Partheniastrum DC. (Asteraceae–Ambrosiinae). Phytologia 31: 463–482.
Author: Mears, J.A.
Year: 1975
Title: The taxonomy of Parthenium section Partheniastrum DC. (Asteraceae–Ambrosiinae)
Journal: Phytologia
Volume: 31
Pages: 463–482
BHL link: http://www.biodiversitylibrary.org/part/12127