Malacocarpus bezrucii var. corniger Frič in Obvejy Novychdruhu Kaktusu, Practicky Radce, Milotice nad Becvou. 1922
Malacocarpus bezrucii var. corniger in Obvejy Novychdruhu Kaktusu, Practicky Radce, Milotice nad Becvou. 1922
is basionym for Wigginsia bezrucii var. corniger in Friciana 8(50): 37. 1980
is basionym for Notocactus sellowii f. corniger in Minimus 30: 32. 1999
is basionym for Notocactus bezrucii var. corniger in Succulenta (Netherlands) 60: 140. 1981