Western Medicinal Plants and Herbs

This guide offers the most comprehensive treatment of medicinal plants of western North America ever published. It includes five hundred color photographs, information on where the plants are found and their medicinal uses, and an index to medical topics covering a wide range of ailments. 500 photos.

From The Publisher:

The most complete work on the medicinal plants of western North America, this guide offers the best information in the world on the nearly 500 species covered, much of it available for the first time. More than 530 color photographs illustrate the plants. An index to medical topics helps locate information on specific ailments. Symbols next to the plant descriptions provide quick visual warnings for poisonous and allergenic plants. Organized by flower color for fast identification, this guide is an essential aid to appreciating native plants and the wild areas they inhabit.