Turbinicarpus macrochele subsp. kupcakii Halda & Horáček in Acta Mus. Richnov., Sect. Nat., 7: 76. 2000
Turbinicarpus macrochele subsp. kupcakii in Acta Mus. Richnov., Sect. Nat., 7: 76. 2000
is basionym for Turbinicarpus schmiedickeanus var. kupcakii in Acta Mus. Richnov., Sect. Nat., 9: 78. 2002
Holotype: Mexico, San Luís Potosí: in vicinitate pagi San Antonio de los Castellos [Castillos] in summo collis, solo calcareo, alt. 1600 m, 5 May 1985, J. J. Halda & L. Horáček 850488 (PR)