Field Guide to the Grasses of Oregon and Washington is an illustrated guide to all 376 species, subspecies, and varieties of grasses--both native and introduced

The second edition of Field Guide to the Sedges of the Pacific Northwest is a newly updated, expanded, and revised edition of the authoritative guide to the gen

This easy-to-use field guide features 794 species of plants commonly found along the Pacific coast from Oregon to Alaska, including trees, shrubs, wildflowers,

For 70 years, people have turned to one book to learn about Northwest trees: Trees to Know in Oregon. This new edition, retitled Trees to Know in Oregon and Was

A WINTERTIME GUIDE TO DECIDUOUS TREES AND SHRUBS OF NORTHWESTERN OREGON AND WESTERN WASHINGTON.