Featuring more than 1240 stunning color photographs, this comprehensive field guide will remain a trusted, authoritative trailside reference for years to come. It describes and illustrates 1220 commonly encountered species, both native and nonnative, including perennials, annuals, and shrubs. Encompassing the Pacific Northwest from southern British Columbia to northern California, from the coast to the mountains and high desert, this handy book is perfect for hikers, naturalists, native plant enthusiasts, and anyone wishing to learn about the amazingly diverse wildflowers of the region. Organized by flower color and shape, and including a range map for each flower described, it is as user-friendly as it is informative.