Verbatim text: Powell, A. M. 1973b. Taxonomy of Perityle, section Laphamia (Compositae–Peritylanae). Sida 5: 61–128.
Author: Powell, A.M.
Year: 1973b
Title: Taxonomy of Perityle, section Laphamia (Compositae–Peritylanae)
Journal: Sida
Volume: 5
Pages: 61–128