Gymnocalycium hossei (Haage) A.Berger, Kakteen: 226, 341. 1929 Gymnocalycium hossei (Haage) A.Berger, Kakteen: 226, 341. 1929is new combination for Echinocactus hossei Haage ex A.Berger, Kakteen: 226. 1929Taxon for this nameGymnocalycium hossei (Haage) A.Berger, Kakteen: 226, 341. 1929