1 2 Rick Cech and Guy Tudor (2005). Butterflies of the East Coast. Princeton University Press, Princeton, NJ. ISBN 0-691-09055-6
↑ David C. Iftner, John A. Shuey, and John V. Calhoun (1992). Butterflies and Skippers of Ohio. College of Biological Sciences and The Ohio State University. ISBN 0-86727-107-8
↑ James A. Scott (1986). The Butterflies of North America. Stanford University Press, Stanford, CA. ISBN 0-8047-2013-4
