Verbatim text: Moran, R. V. 1966. The fruit of Bergerocactus. Natl. Cact. Succ. J. 21: 3031.
Author: Moran, R.V.
Year: 1966
Title: The fruit of Bergerocactus
Journal: Natl. Cact. Succ. J
Volume: 21
Pages: 30–31