Malhotra, Anita & Thorpe, Roger S. (2004). «A phylogeny of four mitochondrial gene regions suggests a revised taxonomy for Asian pitvipers. (Trimeresurus and Ovophis)». Molecular Phylogenetics and Evolution (Molecular Phylogenetics and Evolution 32) 32 (1): 83-100. PMID15186799. doi:10.1016/j.ympev.2004.02.008.
Malhotra, Anita & Thorpe, Roger S. (2004). «A phylogeny of four mitochondrial gene regions suggests a revised taxonomy for Asian pitvipers. (Trimeresurus and Ovophis)». Molecular Phylogenetics and Evolution (Molecular Phylogenetics and Evolution 32) 32 (1): 83-100. PMID15186799. doi:10.1016/j.ympev.2004.02.008.