(2015) „A new classification of the pied woodpeckers assemblage (Dendropicini, Picidae) based on a comprehensive multi-locus phylogeny”. Molecular Phylogenetics and Evolution88, 28–37. o. DOI:10.1016/j.ympev.2015.03.016. PMID 25818851.
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Koch, C.L.. System der baierischen Zoologie (german nyelven). Stein, xxvii, 72. o. (1816)
(2015) „A new classification of the pied woodpeckers assemblage (Dendropicini, Picidae) based on a comprehensive multi-locus phylogeny”. Molecular Phylogenetics and Evolution88, 28–37. o. DOI:10.1016/j.ympev.2015.03.016. PMID 25818851.