Oregon Trees & Wildflowers (Nature Observation North America)

Oregon Birds: A Folding Pocket Guide to Familiar Species (A Pocket Naturalist Guide)

Trees and Shrubs of the Pacific Northwest (A Timber Press Field Guide)

Birds of Oregon Field Guide

National Audubon Society Field Guide to the Pacific Northwest

Wildflowers of the Pacific Northwest (A Timber Press Field Guide)

Animal Tracks: A Folding Pocket Guide to the Tracks & Signs of Familiar North American Species (A Pocket Naturalist Guide)

Foraging Oregon: Finding, Identifying, and Preparing Edible Wild Foods in Oregon (Foraging Series)

Mushrooms: A Folding Pocket Guide to Familiar North American Species (Pocket Naturalist Guide Series) (A Pocket Naturalist Guide)

A Field Guide to Edible Mushrooms of the Pacific Northwest