Gymnocalycium stellatum subsp. occultum Frič ex H.Till & W.Till in Gymnocalycium 9: 176. 1996
Gymnocalycium stellatum subsp. occultum in Gymnocalycium 9: 176. 1996
is basionym for Gymnocalycium occultum in Friciana 7: 4. 1962
is basionym for Gymnocalycium occultum in Gymnocalycium 21 (Sonderausgabe): 816. 2008