Gymnocalycium catamarcense subsp. schmidianum H.Till & W.Till in Gymnocalycium 8: 145. 1995 Gymnocalycium catamarcense subsp. schmidianum H.Till & W.Till in Gymnocalycium 8: 145. 1995is basionym for Gymnocalycium schmidianum (H.Till & W.Till) Mereg. & Kulhánek in Schütziana 6(1): 7. 2015Taxon for this nameGymnocalycium catamarcense subsp. schmidianum H.Till & W.Till