Gymnocalycium mesopotamicum R.Kiesling in Cact. Succ. J. Gr. Brit. 42(2): 39. 1980 Gymnocalycium mesopotamicum R.Kiesling in Cact. Succ. J. Gr. Brit. 42(2): 39. 1980Taxon for this nameGymnocalycium mesopotamicum R.Kiesling in Cact. Succ. J. Gr. Brit. 42(2): 39. 1980
