↑von Ellenrieder, N. & Paulson, D. (2006). "Phyllopetalia altarensis". IUCN Red List of Threatened Species. Version 2010.3. International Union for Conservation of Nature. Retrieved 7 January 2011.
↑von Ellenrieder, N. (2006). "Phyllopetalia apicalis". IUCN Red List of Threatened Species. Version 2010.3. International Union for Conservation of Nature. Retrieved 7 January 2011.
↑von Ellenrieder, N. & Paulson, D. (2007). "Phyllopetalia apollo". IUCN Red List of Threatened Species. Version 2010.3. International Union for Conservation of Nature. Retrieved 7 January 2011.
↑von Ellenrieder, N. & Paulson, D. (2006). "Phyllopetalia excrescens". IUCN Red List of Threatened Species. Version 2010.3. International Union for Conservation of Nature. Retrieved 7 January 2011.
↑von Ellenrieder, N. (2006). "Phyllopetalia pudu". IUCN Red List of Threatened Species. Version 2010.3. International Union for Conservation of Nature. Retrieved 7 January 2011.
↑von Ellenrieder, N. (2006). "Phyllopetalia stictica". IUCN Red List of Threatened Species. Version 2010.3. International Union for Conservation of Nature. Retrieved 7 January 2011.