Gymnocalycium paraguayense f. fleischerianum Mereg., Metzing & R.Kiesling in Candollea 57: 313. 2002
Gymnocalycium paraguayense f. fleischerianum in Candollea 57: 313. 2002
is basionym for Gymnocalycium fleischerianum in Gymnocalycium 16: 520. 2003