Verbatim text: Thompson, W. C. 1983. A Biosystematic Study of Lagophylla (Compositae: Heliantheae) and Related Taxa. Ph.D. dissertation. University of California, Davis.
Author: Thompson, W.C.
Year: 1983
Title: A Biosystematic Study of Lagophylla (Compositae: Heliantheae) and Related Taxa