The bestselling book on medicinal plants has been updated with a decade’s worth of new information. Medicinal plants are increasingly well regarded as supplements and sometimes replacements for traditional prescription drugs. The authors have used recent advances in the study of medicinal plants and their combined sixty years of experience to completely update the Peterson Field Guide to Medicinal Plants. The clear and concise text identifies the key traits, habitats, uses, and warnings for 500 of the most significant medicinal plants in the eastern and central United States. The more than 600 images, the organization-by-colour system, and simplified warnings make identifying medicinal plants fast and easy. AUTHOR: With more than forty years of experience in the herbal field, Steven Foster is the author, co-author, and photographer of seventeen books. DR. James A. Duke has more than six decades of experience as a botanist, and is the author of more than twenty books. 600 Colour illustrations