- ↑ Byers, C. F. (1927) Key to the North American species of Enallagma, with a description of a new species., Transactions American Entomological Society 53: 249-260, figs. 1-3.
- ↑ Williamson, E. B. (1900) Notes on a few Wyoming dragonflies. [1]., Entomological News 11 (5): 453-458, figs. 1-13.
- ↑ 3.0 3.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ Odonata: Catalogue of the Odonata of the World. Tol J. van , 1 Agosto 2008