Gymnocalycium ×contractum (Hildm.) M.H.J.van der Meer in Cact. Phantast. 2019(3)-1: 1. 2019 Gymnocalycium ×contractum (Hildm.) M.H.J.van der Meer in Cact. Phantast. 2019(3)-1: 1. 2019Taxon for this nameGymnocalycium ×contractum (Hildm.) M.H.J.van der Meer in Cact. Phantast. 2019(3)-1: 1. 2019
