Revisión de las pruebas de la existencia de maíz precerámico de los Andes Centrales

A Revision of the Evidence of the Existence of Preceramic Maize in the Central Andes A revision of all archaeological sites in the Central Andes is presented in which preceramic maize was found. The contexts and proofs that certify the finding are presented, discarting the doubtful sites. At the same time the botanical evidence of those maize items is shown and discussed. One arrives at the conclusion that there is not any doubt at all to the existence of preceramic maize with clear and proper characteristics, that differentiates it from the Mesoamerican societies.