Pringle, Pl. Mexic. 1890
Pringle, C.G. [3000 - 3500]

University of Wisconsin-Madison, Wisconsin State Herbarium
Catalog #: v0380918WIS
Pringle, C.G. #3118 29 May 1890
Mammillaria formosa Scheidw.
Mexico, Coahuila, Carneros Pass