Pyrrhocactus aconcaguensis F.Ritter in Succulenta (Netherlands) 1960: 108. 1960
Pyrrhocactus aconcaguensis in Succulenta (Netherlands) 1960: 108. 1960
is basionym for Eriosyce curvispina var. aconcaguensis, Eriosyce (Cactac.) Gen. Revis. Ampl.: 117. 1994
is basionym for Horridocactus aconcaguensis, Cactaceae 6: 3791. 1962