- San Luis Potosi2
- Sinaloa2
- Tamasopo2
- Tamaulipas2
- Vicinity of Cerro Zempoaltepetl, Near Piksa'ah (Piedra Redonda) about eight kilometers east of summit, steam banks2
- Vicinity of Cerro Zempoaltepetl. Near Piksa'ah (Piedra Redonda) about eight kilometers east of summit, on trail to Zacatepec Mixes2
- Xalapa2
- Yucatan Peninsula, Chichen Itzá2
- About 8 miles south of Tlaxiaco, summit of Cerro Yucuyacua1
- Above Uruapan1
- Aguascalientes1
- Along Hwy 131 about 12.5 mi SW of Sola de Vega, about 1.5 mi NE of divide1
- Along Mex. Hwy 175 about 17 miles south of Valle Nacional.1
- Along route 20 ca 5 km SW of Durango state line1
- Along the N. side of Mexico Rt. 1, about 4.5mi SE of Santa Rita & the intersection of the road to Puerto Chale1
- Alvarex1
- Alvarez, about 22 miles by road east-southeast of San Luis Potosi1
- Amecomeca1
- Bahia San Quintin, 127 miles south of Ensenada, on Pacific coast1
- Calakmul, Campeche1