Gymnocalycium ferox (Backeb.) Slaba in Kaktusy (Brno) 20: 80. 1984
Gymnocalycium ferox in Kaktusy (Brno) 20: 80. 1984
is new combination for Gymnocalycium mostii subsp. ferocior in Gymnocalycium 15: 435. 2002
Gymnocalycium ferox in Kaktusy (Brno) 20: 80. 1984
Taxon for this name