Bisby F., Roskov Y., Culham A., Orrell T., Nicolson D., Paglinawan L., Bailly N., Appeltans W., Kirk P., Bourgoin T., Baillargeon G., Ouvrard D., eds (2012). Species 2000 & ITIS Catalogue of Life, 3rd February 2012. Digital resource at www.catalogueoflife.org/col/Arkivert 13. mai 2020 hos Wayback Machine.. Species 2000: Reading, UK.
Bisby F., Roskov Y., Culham A., Orrell T., Nicolson D., Paglinawan L., Bailly N., Appeltans W., Kirk P., Bourgoin T., Baillargeon G., Ouvrard D., eds (2012). Species 2000 & ITIS Catalogue of Life, 3rd February 2012. Digital resource at www.catalogueoflife.org/col/Arkivert 13. mai 2020 hos Wayback Machine.. Species 2000: Reading, UK.