Echinocactus mexicanus (Glass & W.A.Fitz Maur.) Halda in Acta Mus. Richnov., Sect. Nat., 7: 72. 2000
Echinocactus mexicanus in Acta Mus. Richnov., Sect. Nat., 7: 72. 2000
is basionym for Geohintonia mexicana in Cact. Suc. Mex. 37(1): 17. 1992
is basionym for Aztekium mexicanum in Succulentopi@ 15: 10. 2015