books.google.ca - Reissued as a companion edition to Trying to Give Ease: Tommie Bass and the Story of Herbal Medicine, this illustrated reference guide covers over 700 medicinal plants, of which more than 150 are readily obtainable in health food stores and other outlets. Based on the Appalachian herbal practice of the...http://books.google.ca/books/about/Herbal_Medicine_Past_and_Present_A_refer.html?id=0JaqB07uTx4C&q=ironweed+roots&utm_source=gb-gplus-shareHerbal Medicine Past and Present: A reference guide to medicinal plants