Pyrrhocactus vallenarensis F.Ritter in Succulenta (Netherlands) 1959: 157. 1959 Pyrrhocactus vallenarensis F.Ritter in Succulenta (Netherlands) 1959: 157. 1959is new combination for Neoporteria vallenarensis F.Ritter, Kakteen Südamerika 3: 1032. 1980Taxon for this namePyrrhocactus vallenarensis F.Ritter