Verbatim text: Hall, H. M. 1928. The genus Haplopappus: A phylogenetic study in the Compositae. Publ. Carnegie Inst. Wash. 389.
Author: Hall, H.M.
Year: 1928
Title: The genus Haplopappus: A phylogenetic study in the Compositae
Journal: Publ. Carnegie Inst. Wash
Volume: 389