Neoporteria confinis (F.Ritter) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 55. 1966 Neoporteria confinis (F.Ritter) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 55. 1966is new combination for Pyrrhocactus confinis F.Ritter in Succulenta (Netherlands) 1961: 4. 1961Taxon for this nameNeoporteria confinis (F.Ritter) Donald & G.D.Rowley