Gymnocalycium damsii var. centrispinum Backeb. ex H.Till & Amerh. in Gymnocalycium 17: 555. 2004 Gymnocalycium damsii var. centrispinum Backeb. ex H.Till & Amerh. in Gymnocalycium 17: 555. 2004Taxon for this nameGymnocalycium damsii var. centrispinum Backeb. ex H.Till & Amerh.