A field guide to wildflowers of northeastern and north-central North America
Subtitle: a visual approach arranged by color, form, and detail
By: by Roger Tory Peterson and Margaret McKenny. Illus. by Roger Tory Peterson.
Contributors: McKenny, Margaret.
Publisher: Houghton Mifflin
Published: 1968
Place of publication: Boston
Language: eng
Number of pages: 420
Subjects: Wild flowers -- North America.