Notocactus schlosseri Vliet in Succulenta (Netherlands) 53: 12. 1974 Notocactus schlosseri Vliet in Succulenta (Netherlands) 53: 12. 1974is basionym for Notocactus ×erubescens f. schlosseri (Vliet) N.Gerloff & Neduchal in Internoto 25: 57. 2004Taxon for this nameNotocactus schlosseri Vliet