Neoporteria chilensis f. confinis (Hildm.) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 55. 1966
Neoporteria chilensis f. confinis in Cact. Succ. J. Gr. Brit. 28: 55. 1966
is new combination for Echinocactus chilensis var. confinis, Gesamtbeschr. Kakt.: 424. 1898