Neoporteria crispa (F.Ritter) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 55. 1966 Neoporteria crispa (F.Ritter) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 55. 1966is new combination for Pyrrhocactus crispus F.Ritter in Succulenta (Netherlands) 1959: 137. 1959Taxon for this nameNeoporteria crispa (F.Ritter) Donald & G.D.Rowley