Gymnocalycium carolinense subsp. fedjukinii V.Gapon & Neuhuber in Gymnocalycium 25: 1054. 2012 Gymnocalycium carolinense subsp. fedjukinii V.Gapon & Neuhuber in Gymnocalycium 25: 1054. 2012Taxon for this nameGymnocalycium carolinense subsp. fedjukinii V.Gapon & Neuhuber