Neoporteria tuberisulcata var. cupreata (Poselg. ex Rümpler) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 58. 1966
Neoporteria tuberisulcata var. cupreata in Cact. Succ. J. Gr. Brit. 28: 58. 1966
is new combination for Echinocactus cupreatus, Handb. Cacteenk., ed. 2, 2(16): 602. 1886