Gymnocalycium ponomarevae V.Gapon & Neuhuber in Cact. Explor. 18: 51. 2017 Gymnocalycium ponomarevae V.Gapon & Neuhuber in Cact. Explor. 18: 51. 2017Taxon for this nameGymnocalycium ponomarevae V.Gapon & Neuhuber