A comprehensive illustrated guide to medicinal ferns throughout the world
Robert Dale Rogers, RH(AHG), is an herbalist with more than 50 years of experience in clinical practice and the classroom. He is the author of more than 60 books, a professional member of the American Herbalists Guild, and on the editorial board of the International Journal of Medicinal Mushrooms. A former clinical professor in family medicine at the University of Alberta, he lives in Edmonton, Alberta, Canada.