Cerrón-Macha J M,del Castillo J D, Valverde-Quiroz J C, Cornelius J P 2018 Agroforestry species of Peru: annotated list and contribution to prioritization for genetic conservation. http://www.worldagroforestry.org/downloads/Publications/PDFS/WP18029.pdf, http://dx.doi.org/10.5716/WP18029.PDF