Neoporteria islayensis var. copiapoides (Rauh & Backeb.) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 56. 1966 Neoporteria islayensis var. copiapoides (Rauh & Backeb.) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 56. 1966Taxon for this nameNeoporteria islayensis var. copiapoides (Rauh & Backeb.) Donald & G.D.Rowley