This work provides detailed overviews and offer new insights into the biology, life histories, cultivation, markets, legal protection, chemistry and medical use of Echinacea species. The extensively detailed maps in this text are the most accurate of any produced, based on verified herbarium records.The information on ethnobotanical uses of Echinacea species, and especially E. angustifolia, is the most thorough and well-documented on the topic to date. Along with sharp analysis, the text develops and outlines conservation recommendations for all of the species of Echinacea.