Verbatim text: Pinkava, D. J. 2003. Cactaceae cactus family: Part 6. J. Arizona-Nevada Acad. Sci. 35: 137–150.
Author: Pinkava, D.J.
Year: 2003
Title: Cactaceae cactus family: Part 6
Journal: J. Arizona-Nevada Acad. Sci
Volume: 35
Pages: 137–150