Verbatim text: Pinkava, D. J. 1967. Biosystematic study of Berlandiera (Compositae). Brittonia 19: 285–298.
Author: Pinkava, D.J.
Year: 1967
Title: Biosystematic study of Berlandiera (Compositae)
Journal: Brittonia
Volume: 19
Pages: 285–298