Suggested citation for this website:
Warren, A. D., K. J. Davis, N. V. Grishin, J. P. Pelham, E. M. Stangeland. 2012.
Interactive Listing of American Butterflies.
< http://www.butterfliesofamerica.com/ >
Note that the date in brackets is the date of the currently posted version of the Interactive List. This date will be updated to reflect new versions of the list, as they are posted. A downloadable version of the Interactive List is available in the Electronic Reference Library.
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