Opler, Paul A.
A field guide to eastern butterflies / Eastern butterflies Paul Opler ; illustrated by Vichai Malikul - Boston, Mass. : Houghton Mifflin, c1992 - 396 p. : ill. (some col.), maps - The Peterson field guide series ; 4 .
"Sponsored by the National Audubon Society, the National Wildlife Foundation, and the Roger Tory Peterson Institute"
Includes bibliographical references and index
039563279X
BUTTERFLIES--EAST (U.S.)
BUTTERFLIES--CANADA, EASTERN
BUTTERFLIES--GREENLAND
QL551 .E16 / O643F
A field guide to eastern butterflies / Eastern butterflies Paul Opler ; illustrated by Vichai Malikul - Boston, Mass. : Houghton Mifflin, c1992 - 396 p. : ill. (some col.), maps - The Peterson field guide series ; 4 .
"Sponsored by the National Audubon Society, the National Wildlife Foundation, and the Roger Tory Peterson Institute"
Includes bibliographical references and index
039563279X
BUTTERFLIES--EAST (U.S.)
BUTTERFLIES--CANADA, EASTERN
BUTTERFLIES--GREENLAND
QL551 .E16 / O643F