
Cover: From top to bottom, from left to right: Dry capsules and seeds of Agave potatorum, Agave potatorum, Sesbania virgate flowers and Amaranthus hypochondriacus.
Authors photographs: Yolanda D. Ortiz-Herna?ndez (Agave potatorum), Fernando Tapia Pastrana (Sesbania virgate) and Iva?n Pa?vel Moreno-Espi?ndola (Amaranthus hypochondriacus).
Composition: Alfredo Quiroz Arana