Verbatim text: Turner, M. W. 1993. Systematic study of the genus Baileya (Asteraceae: Helenieae). Sida 15: 491–508.
Author: Turner, M.W.
Year: 1993
Title: Systematic study of the genus Baileya (Asteraceae: Helenieae)
Journal: Sida
Volume: 15
Pages: 491–508