Gymnocalycium castellanosii subsp. ferocior (Backeb. ex H.Till & Amerh.) G.J.Charles in Cactaceae Syst. Init. 20: 18. 2005
Gymnocalycium castellanosii subsp. ferocior in Cactaceae Syst. Init. 20: 18. 2005
is new combination for Gymnocalycium mostii subsp. ferocior in Gymnocalycium 15: 435. 2002
Gymnocalycium castellanosii subsp. ferocior in Cactaceae Syst. Init. 20: 18. 2005