Ariocarpus denegrii (Frič) W.T.Marshall in Cact. Succ. J. (Los Angeles) 18: 56. 1946 Ariocarpus denegrii (Frič) W.T.Marshall in Cact. Succ. J. (Los Angeles) 18: 56. 1946is new combination for Obregonia denegrii Frič in Život v Přír. 29: 14. 1925Taxon for this nameAriocarpus denegrii (Frič) W.T.Marshall