A field guide to wildflowers, northeastern and north-central North America
By: Roger Tory Peterson and Margaret McKenny ; illustrations by Roger Tory Peterson.
Contributors: McKenny, Margaret.
Series: Peterson field guide series -- 17
Publisher: Houghton Mifflin
Published: 1996
Place of publication: Boston
Language: eng
Number of pages: 420
Subjects: Wild flowers -- United States -- Pictorial works; Wild flowers -- Canada -- Pictorial works
Other titles: Wildflowers
Notes: "Sponsored by the National Audubon Society, the National Wildlife Federation, and the Roger Tory Peterson Institute."

Includes index.