Notocactus fuscus F.Ritter, Kakteen Südamerika 1: 178. 1979
Notocactus fuscus, Kakteen Südamerika 1: 178. 1979
is basionym for Parodia fusca in Cactaceae Consensus Init. 6: 10. 1998
is basionym for Ritterocactus fuscus in Sukkulenty 3: 60. 2000
is basionym for Peronocactus fuscus in Sukkulenty 2(2): 21. 1999
is basionym for Notocactus rauschii var. fuscus in Internoto 25: 89. 2004