Synonyms
Gymnocalycium oenanthemum var. tillianum (Rausch) Slaba
Gymnocalycium oenanthemum var. montanum (Slaba) Slaba
Gymnocalycium tillianum Rausch
Gymnocalycium carminanthum var. montanum Slaba
Gymnocalycium oenanthemum subsp. carminanthum (Borth & Koop) H.Till
Gymnocalycium tillianum subsp. montanum (Slaba) F.Berger