Verbatim text: Parfitt, B. D. and M. A. Baker. 1993. Opuntia. In: J. C. Hickman, ed. 1993. The Jepson Manual. Higher Plants of California. Berkeley, Los Angeles, and London. Pp. 452–457.
Author: Parfitt, B.D., Baker, M.A.
Year: 1993
Title: Opuntia
Editor: Hickman, J.C.
Book year: 1993
Book title: The Jepson Manual. Higher Plants of California
Pages: 452–457