Vanishing North American Materia Medica

ept of “herbs of commerce” and how profit-driven enterprises has real toxic effects on clinical practice, the move away from contact with plants as urbanization continues unabated, as well as possible failures in the education system for herbalists today. Dr. Yarnell also discusses how to use some of these valuable, forgotten herbs. The case of revival of use of Pedicularis and Fouquieria is used to show that this trend can be reversed, and that there is enormous opportunity for clinicians and herbal scholars today to help maintain and broaden the materia medica.