Gymnocalycium gibbosum var. brachypetalum (Speg.) Papsch in Gymnocalycium 9: 201. 1996
Gymnocalycium gibbosum var. brachypetalum in Gymnocalycium 9: 201. 1996
is new combination for Gymnocalycium brachypetalum in Anales Soc. Ci. Argent. 99: 135. 1925