Notocactus longispinus (F.Ritter) S.Theun. in Succulenta (Netherlands) 60: 142. 1981 Notocactus longispinus (F.Ritter) S.Theun. in Succulenta (Netherlands) 60: 142. 1981is new combination for Wigginsia longispina F.Ritter, Kakteen Südamerika 1: 198. 1979Taxon for this nameNotocactus longispinus (F.Ritter) S.Theun.