Cassin, J. (1860). «Catalogue of Birds collected during a survey for a ship Canal across the Isthmus of Darien, by order of the Government of the United States, made by the Lieut. N. Michler, of the U.S. Topographical Engineers, with notes and descriptions of new species». Proceedings of Academy of Natural Sciences of Philadelphia(en inglés). 12: 132–144, 188–197. Pittasoma, descripción original p.189. Disponible en Biodiversitas Heritage Library. ISSN0097-3157.
Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan & C. L. Wood (2015). The eBird/Clements checklist of Birds of the World: v2015. Disponible para descarga. Ithaca, NY: Cornell Lab of Ornithology.
Cassin, J. (1860). «Catalogue of Birds collected during a survey for a ship Canal across the Isthmus of Darien, by order of the Government of the United States, made by the Lieut. N. Michler, of the U.S. Topographical Engineers, with notes and descriptions of new species». Proceedings of Academy of Natural Sciences of Philadelphia(en inglés). 12: 132–144, 188–197. Pittasoma, descripción original p.189. Disponible en Biodiversitas Heritage Library. ISSN0097-3157.