Gymnocalycium zegarrae subsp. millaresii (Cárdenas) H.Till & W.Till in Gymnocalycium 13: 355. 2000
Gymnocalycium zegarrae subsp. millaresii in Gymnocalycium 13: 355. 2000
is new combination for Gymnocalycium millaresii in Cact. Succ. J. (Los Angeles) 38: 144. 1966