Moore, W.S.; Overton, L.C.; Miglia, K.J. (2011). "Mitochondrial DNA based phylogeny of the woodpecker genera Colaptes and Piculus, and implications for the history of woodpecker diversification in South America". Molecular Phylogenetics and Evolution. 58 (#1). ss.76-84. Bibcode:2011MolPE..58...76M. doi:10.1016/j.ympev.2010.09.011. PMID20863898.
Dufort, Matthew J. (2016). "An augmented supermatrix phylogeny of the avian family Picidae reveals uncertainty deep in the family tree". Molecular Phylogenetics and Evolution. 94 (Pt A). ss.313-326. Bibcode:2016MolPE..94..313D. doi:10.1016/j.ympev.2015.08.025. PMID26416706.
Moore, W.S.; Overton, L.C.; Miglia, K.J. (2011). "Mitochondrial DNA based phylogeny of the woodpecker genera Colaptes and Piculus, and implications for the history of woodpecker diversification in South America". Molecular Phylogenetics and Evolution. 58 (#1). ss.76-84. Bibcode:2011MolPE..58...76M. doi:10.1016/j.ympev.2010.09.011. PMID20863898.
Dufort, Matthew J. (2016). "An augmented supermatrix phylogeny of the avian family Picidae reveals uncertainty deep in the family tree". Molecular Phylogenetics and Evolution. 94 (Pt A). ss.313-326. Bibcode:2016MolPE..94..313D. doi:10.1016/j.ympev.2015.08.025. PMID26416706.
Moore, W.S.; Overton, L.C.; Miglia, K.J. (2011). "Mitochondrial DNA based phylogeny of the woodpecker genera Colaptes and Piculus, and implications for the history of woodpecker diversification in South America". Molecular Phylogenetics and Evolution. 58 (#1). ss.76-84. Bibcode:2011MolPE..58...76M. doi:10.1016/j.ympev.2010.09.011. PMID20863898.
Dufort, Matthew J. (2016). "An augmented supermatrix phylogeny of the avian family Picidae reveals uncertainty deep in the family tree". Molecular Phylogenetics and Evolution. 94 (Pt A). ss.313-326. Bibcode:2016MolPE..94..313D. doi:10.1016/j.ympev.2015.08.025. PMID26416706.