Gymnocalycium rhodantherum
Gymnocalycium rhodantherum in Gymnocalycium 17: 580. 2004 sec. Charles 20091
- =Gymnocalycium guanchinense in Sukkulentenkunde 2: 32. 1948 syn. sec. Charles 20092
- =Gymnocalycium jochumii var. jugum in Gymnocalycium 18: 606. 2005 syn. sec. Kew WCVP (2019)3
- =Gymnocalycium coloradense in Gymnocalycium 19: 693. 2006 syn. sec. Charles 20094
- =Gymnocalycium rhodantherum subsp. recii in Acta Mus. Richnov., Sect. Nat., 14(4): 100. 2007 syn. sec. Kew WCVP (2019)5