Vogel, G., David, P. and Pauwels, O.S. 2004. A review of morphological variation in Trimeresurus popeiorum (Serpentes: Viperidae: Crotalinae), with the description of two new species. Zootaxa. 727, 1 (Nov. 2004), 1–63. DOI:https://doi.org/10.11646/zootaxa.727.1.1.