Webb, David Matthew; Moore, William S. (2005). "A phylogenetic analysis of woodpeckers and their allies using 12S, Cyt b, and COI nucleotide sequences (class Aves; order Piciformes)". Molecular Phylogenetics and Evolution. 36 (2): 233–248. Bibcode:2005MolPE..36..233W. doi:10.1016/j.ympev.2005.03.015. PMID15869887.
Overton, Lowell C.; Rhoads, Douglas D. (2006). "Molecular phylogenetic relationships of Xiphidiopicus percussus, Melanerpes, and Sphyrapicus (Aves: Picidae) based on cytochrome b sequence". Molecular Phylogenetics and Evolution. 41 (2): 288–294. Bibcode:2006MolPE..41..288O. doi:10.1016/j.ympev.2006.05.014. PMID16814571.
Benz, B.W.; Robbins, M.B.; Peterson, A.T. (2006). "Evolutionary history of woodpeckers and allies (Aves: Picidae): Placing key taxa on the phylogenetic tree". Molecular Phylogenetics and Evolution. 40 (2): 389–399. Bibcode:2006MolPE..40..389B. doi:10.1016/j.ympev.2006.02.021. PMID16635580.
Webb, David Matthew; Moore, William S. (2005). "A phylogenetic analysis of woodpeckers and their allies using 12S, Cyt b, and COI nucleotide sequences (class Aves; order Piciformes)". Molecular Phylogenetics and Evolution. 36 (2): 233–248. Bibcode:2005MolPE..36..233W. doi:10.1016/j.ympev.2005.03.015. PMID15869887.
Overton, Lowell C.; Rhoads, Douglas D. (2006). "Molecular phylogenetic relationships of Xiphidiopicus percussus, Melanerpes, and Sphyrapicus (Aves: Picidae) based on cytochrome b sequence". Molecular Phylogenetics and Evolution. 41 (2): 288–294. Bibcode:2006MolPE..41..288O. doi:10.1016/j.ympev.2006.05.014. PMID16814571.
nih.gov
pubmed.ncbi.nlm.nih.gov
Benz, B.W.; Robbins, M.B.; Peterson, A.T. (2006). "Evolutionary history of woodpeckers and allies (Aves: Picidae): Placing key taxa on the phylogenetic tree". Molecular Phylogenetics and Evolution. 40 (2): 389–399. Bibcode:2006MolPE..40..389B. doi:10.1016/j.ympev.2006.02.021. PMID16635580.
Webb, David Matthew; Moore, William S. (2005). "A phylogenetic analysis of woodpeckers and their allies using 12S, Cyt b, and COI nucleotide sequences (class Aves; order Piciformes)". Molecular Phylogenetics and Evolution. 36 (2): 233–248. Bibcode:2005MolPE..36..233W. doi:10.1016/j.ympev.2005.03.015. PMID15869887.
Overton, Lowell C.; Rhoads, Douglas D. (2006). "Molecular phylogenetic relationships of Xiphidiopicus percussus, Melanerpes, and Sphyrapicus (Aves: Picidae) based on cytochrome b sequence". Molecular Phylogenetics and Evolution. 41 (2): 288–294. Bibcode:2006MolPE..41..288O. doi:10.1016/j.ympev.2006.05.014. PMID16814571.
Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (2020). "Woodpeckers". IOC World Bird List Version 10.1. International Ornithologists' Union. Retrieved 17 May 2020.