Gymnocalycium megatae VoS 11-956 *
Bolivia: east of Boyuibe, Santa Cruz, 858m
* Gymnocalycium megatae Y.Itô 1957 = Gymnocalycium megatae ssp. megatae (Cárdenas) H. Till & Amerhauser 2010 = Gymnocalycium marsoneri ssp. megatae (Y.Itô) G.J.Charles 2009