Reference:Brown1974a
Verbatim text: Brown, R. C. 1974. Biosystematics of Baileya and Psilostrophe (Compositae, Helenieae). Ph.D. dissertation. Arizona State University.
Author: Brown, R.C.
Year: 1974
Title: Biosystematics of Baileya and Psilostrophe (Compositae, Helenieae)