The butterflies of Cascadia : a field guide to all the species of Washington, Oregon, and surrounding territories /
Pyle, Robert Michael.
The butterflies of Cascadia : a field guide to all the species of Washington, Oregon, and surrounding territories / by Robert Michael Pyle. - 1st ed. - [Seattle] : Seattle Audubon Society, c2002. - 420 p. : ill. (some col.), maps ; 22 cm.
Includes bibliographical references and index.
0914516132 $29.95
Butterflies--Washington (State)--Identification.
Butterflies--Oregon--Identification.
Butterflies--Northwest, Pacific--Identification.
The butterflies of Cascadia : a field guide to all the species of Washington, Oregon, and surrounding territories / by Robert Michael Pyle. - 1st ed. - [Seattle] : Seattle Audubon Society, c2002. - 420 p. : ill. (some col.), maps ; 22 cm.
Includes bibliographical references and index.
0914516132 $29.95
Butterflies--Washington (State)--Identification.
Butterflies--Oregon--Identification.
Butterflies--Northwest, Pacific--Identification.