A field guide to medicinal plants and herbs of eastern and central North America - Foster, Steven, 1957-; Duke, James A., 1929-; Foster, Steven, 1957- (Boston : Houghton Mifflin Co., 2000)
'Sponsored by te National Audubon Society, the National Wildlife Federation, and the Roger Tory Peterson Institute.'
Rev. ed. of: Field guide to medicinal plants. 1990.
Includes bibliographical references and index
Keywords: Medicinal plants -- East (U.S.) -- Identification; Medicinal plants -- Middle West -- Identification; Medicinal plants -- Canada, Eastern -- Identification