Verbatim text: Mayes, R. A. 1976. A Cytotaxonomic and Chemosystematic Study of the Genus Pyrrocoma (Asteraceae: Astereae). Ph.D. dissertation. University of Texas.
Author: Mayes, R.A.
Year: 1976
Title: A Cytotaxonomic and Chemosystematic Study of the Genus Pyrrocoma (Asteraceae: Astereae)