Anderson, E. F. & Boke, N. 1969: The genus Pelecyphora (Cactaceae): Resolution of a controversy. – American Journal of Botany 56(3): 314–326

Title	The genus Pelecyphora (Cactaceae): Resolution of a controversy
Authorship	Anderson, E. F. & Boke, N.
Date published	1969
Volume	56(3)
In journal	American Journal of Botany
Pages	314–326
Doi	http://doi.org/10.1002/j.1537-2197.1969.tb07538.x