Verbatim text: Bierner, M. W. 1990. Present status of Amblyolepis (Asteraceae: Heliantheae). Madroño 37: 133–140.
Author: Bierner, M.W.
Year: 1990
Title: Present status of Amblyolepis (Asteraceae: Heliantheae)
Journal: Madroño
Volume: 37
Pages: 133–140