One mile north of Tilata, a rock ca. 800 feet tall near stream, east side of road in gypsum soil and only on steep cliffs. Summit has many Coryphantha and Mammillaria. Near Oaxaca border on the road between Tehuacan and Teotitlan del Camino, Puebla
State of Jalisco, Cerro Viejo, south face, above Zapotitan de Hidalgo, a village about 1mi N of highway Mex 15, about 25mi due south or 45 road miles from Guadalajara. México