Mazo, L. C., A. Gómez, S. R. Quintanilla, J. E. Bernal, and P. Ortiz Valdivieso. “Extraction and Amplification of DNA from Orchid Exsiccates Conserved for More Than Half a Century in a Herbarium in Bogotá, Colombia”. Lankesteriana: International Journal on Orchidology, vol. 12, no. 2, Sept. 2013, doi:10.15517/lank.v0i0.11762.