Mammillaria wrightii Engelm. var. wilcoxii (Toumey ex K. Schum.) W.T. Marshall
Engelm.
Found in 2 states
Species data compiled from the USDA PLANTS Database and other open botanical data sources. Images used under Creative Commons or equivalent licenses. Distribution data from USDA state-level records.
Find cultivated varieties related to Wilcox's Nipple Cactus