Cover: From top to bottom, from left to right: Ageratina grandifolia by: Óscar Hinojosa Espinosa; association Borrichio-Rachicalletum americanae in coastal dunes of Cozumel by: Cruz López Contreras; Castilleja tenuiflora by: Gabriela Trejo Tapia; Borrichia arborescens (L.) DC. by: Cruz López Contreras; Washingtonia robusta by: Lucila Armenta-Méndez; cross section of base with vascular bundles of Echeveria aff. gigantea by: Esther Sandoval Zapotitla.
Published: 2019-06-06

EDITORIAL / EDITORIAL