Neochilenia napina var. spinosior Backeb., Cactaceae 6: 3773. 1962 Neochilenia napina var. spinosior Backeb., Cactaceae 6: 3773. 1962is basionym for Neoporteria napina f. spinosior (Backeb.) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 57. 1966Taxon for this nameNeochilenia napina var. spinosior Backeb.