Rivera Díaz, Orlando, and José Luis Fernández-Alonso. “Chorological Analysis of the Endemic Flora of the Serranía of Perijá, Colombia”. Anales del Jardín Botánico de Madrid 60, no. 2 (December 30, 2003): 347–370. Accessed April 26, 2024. https://rjb.revistas.csic.es/index.php/rjb/article/view/96.