Alvarez-Mora, R.; Cetzal-Ix, W.; Basu, S. K.; Noguera-Savelli, E.; González-Valdivia, N. A. .; Martínez-Puc, J. F. .; Zandi, P.; Możdżeń, K. Orchid Diversity at Cuetzalan Del Progreso, Puebla, Mexico – Anthropogenic Threats and Potential for Organic Production for Conservation Purposes. AUPCStudiaNaturae 2016, 1, 7-23.