Soto Arenas, Miguel A., and Robert L. Dressler. “A Revision of the Mexican and Central American Species of <i>Vanilla</i> Plumier Ex Miller With a Characterization of Their Its Region of the Nuclear Ribosomal DNA”. Lankesteriana: International Journal on Orchidology 9, no. 3 (October 11, 2013). Accessed May 5, 2024. https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/12065.