Harrisia hahniana (Backeb.) Kimnach & Hutchison ex Kimnach in Cact. Succ. J. (Los Angeles) 59(2): 59. 1987
Harrisia hahniana in Cact. Succ. J. (Los Angeles) 59(2): 59. 1987
is new combination for Mediocactus hahnianus, Descr. Cact. Nov. 1: 10. 1957 ["1956"]