Taxon - Odkazy a literatura
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [jako Polioptila facilis Zimmer, JT, 1942]Datum citace: 5. prosinec 2021
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [jako Polioptila guianensis facilis]Datum citace: 25. duben 2013