]> GH barcode-00247719 Mexico México "Chalco Race" of Teosinte, On W side of old road to Ayotla, ca. 2 Km. NE of Chalco. Zea mays subsp. mexicana (Schrader) Iltis (Schrader) Iltis 2010-08-16 16:37:43 H. H. Iltis & J. F. Doebley