- ↑ Scudder, S. H. Notice of the butterflies collected by Dr. Edward Palmer in the arid regions of southern Utah and northern Arizona during the summer of 1887., Scudder, S. H. (5 Pebrero 1878) Notice of the butterflies collected by Dr. Edward Palmer in the arid regions of southern Utah and northern Arizona during the summer of 1887. Bull. U. S. geol. geog. Surv. Terr. 4(1)(10): 253-258
- ↑ 2.0 2.1 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)
- ↑ GloBIS (GART): Global Butterfly Information System. Häuser C., Holstein J. & Steiner A. (eds), 23 Nobyembre 2008
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