Notocactus neohorstii S.Theun. in Succulenta (Netherlands) 60(6): 142. 1981
Notocactus neohorstii in Succulenta (Netherlands) 60(6): 142. 1981
is basionym for Parodia neohorstii in Bradleya 5: 93. 1987
is basionym for Peronocactus neohorstii in Sukkulenty 2(2): 21. 1999
is replaced synonym for Wigginsia horstii, Kakteen Südamerika 1: 199. 1979