Notocactus sellowii f. corniger (Frič) Neduchal in Minimus 30: 32. 1999
Notocactus sellowii f. corniger in Minimus 30: 32. 1999
is new combination for Malacocarpus bezrucii var. corniger in Obvejy Novychdruhu Kaktusu, Practicky Radce, Milotice nad Becvou. 1922