Neoporteria curvispina f. albicans (Hildm.) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 56. 1966
Neoporteria curvispina f. albicans in Cact. Succ. J. Gr. Brit. 28: 56. 1966
is new combination for Echinocactus geissei var. albicans in Schumann, Gesamtbeschr. Kakt.: 406. 1898