Reference:Solbrig1965a
Verbatim text: Solbrig, O. T. 1965. The California species of Gutierrezia. Madroño 18: 75–84.
Author: Solbrig, O.T.
Year: 1965
Title: The California species of Gutierrezia
Journal: Madroño
Volume: 18
Pages: 75–84