Cover title: Wildflowers : Northeastern/North central North America.

Title on added t.p.: A field guide to wildflowers of Northeastern and North-central North America.

"Sponsored by the National Audubon Society, the National Wildlife Federation, and the Roger Tory Peterson Institute."

Includes index.

All the flowers you're most likely to encounter in the eastern and north-central U.S., westward to the Dakotas and southward to North Carolina and Arkansas, as well as the adjacent parts of Canada.

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