Espejo-Serna, Adolfo, Ana Rosa López-Ferrari, Rolando Jiménez- Machorro, and Luis Sánchez -Saldaña. 2005. “Orchids from Coffee-Plantations in Mexico: An Alternative for the Sustainable Use of Tropical Ecosystems”. Revista De Biología Tropical 53 (1-2):73–84. https://doi.org/10.15517/rbt.v53i1-2.14367.