Sierra Birds - A Hiker's Guide
No primary photo.
Enter the Forest: A Guide to the Angeles National Forest
The Wallowa Mountains, A Natural History Guide
Alpine and Subalpine Vegetation of the Wallowa, Seven Devils and Blue Mountains
Northwest Exposures. A Geologic Story of the Northwest
Guide to the Plants of the Wallowa Mountains of Northeastern Oregon
Alpine Wildflowers of the Rocky Mountains
Flora of the Pacific Northwest
Flora of Steens Mountain
Fire Mountains of the West
Cataclysms on the Columbia
The Jepson Manual. Higher Plants of California
Plant Identification Terminology. An Illustrated Glossary.
The Plants of Pennsylvania: An Illustrated Manual
A Field Manual of the Ferns & Fern-Allies of the United States & Canada
Marin Flora
Smithsonian Handbooks Birds of North America Western Region
Manual of Vascular Plants of Northeastern United States and Adjacent Canada
The Illustrated Companion to Gleason and Cronquist’s Manual. Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada.
A Utah Flora