Dr. Susan Leopold is an ethnobotanist who spent the early years of her career in the jungles of the Peruvian Amazon and Central America. An epiphany led her home, to Virginia and to the American heartland of the Ohio River, to study native plants, medicinal herbs and the natural and human history of this wild, diverse and beleaguered corner of our world. Leopold is the executive director of the United Plant Savers, a group dedicated to protecting imperiled native plants like ginseng and ...