Ariocarpus confusus Halda & Horáček in Cactaceae etc. 7: 1. 1997
Ariocarpus confusus in Cactaceae etc. 7: 1. 1997
is basionym for Ariocarpus retusus subsp. confusus in Kakteen And. Sukk. 50: 278. 1999
Type: Mexico, Nuevo León, in collibus petrosis, solo calcareo prope Aramberri, 20 Nov 1985, J. J. Halda JJH 85114.3 (PRC)