LaPierre, Louis M. “Vegetative Propagation of <i>Cecropia obtusifolia</i≫ (Cecropiaceae)”. Revista de Biología Tropical 49, no. 3-4 (December 1, 2001): 973–976. Accessed June 25, 2025. https://archivo.revistas.ucr.ac.cr/index.php/rbt/article/view/18045.