Gymnocalycium amerhauseri subsp. altagraciense H.Till & Amerh. in Gymnocalycium 20: 735. 2007 Gymnocalycium amerhauseri subsp. altagraciense H.Till & Amerh. in Gymnocalycium 20: 735. 2007Taxon for this nameGymnocalycium amerhauseri subsp. altagraciense H.Till & Amerh.
