Soto Arenas, M.A. and Dressler, R.L. 2013. 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, 3 (Oct. 2013). DOI:https://doi.org/10.15517/lank.v0i0.12065.