Taxon - Links and literature
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [as Picus Linnaeus, 1758]Data retrieved on: 22 April 2021
The Interim Register of Marine and Nonmarine Genera [1301619]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Picus Linnaeus, 1758]
Data retrieved on: 30 November 2019