Over 675 species of trees, shrubs, wildflowers, grasses, ferns, mosses and lichens commonly found in the region from the crest of the Rockies to the Coast Mountains, including the interior of Washington and Idaho. Detailed species descriptions are combined with concise drawings and color photographs to make plant identification easy. | Plants Of Southern Interior British Columbia And The Inland Northwest by Roberta Parish, Paperback | Indigo Chapters