Gymnocalycium cumingii (Hopffer) Hutchison in Natl. Cact. Succ. J. 14: 38. 1959 Gymnocalycium cumingii (Hopffer) Hutchison in Natl. Cact. Succ. J. 14: 38. 1959is new combination for Echinocactus cumingii Hopffer in Allg. Gartenzeitung 11: 225. 1843Taxon for this nameGymnocalycium cumingii (Hopffer) Hutchison