Arizona Flora
Fire Mountains of the West
Deepest Valley: A Guide to Owens Valley, Its Roadsides and Mountain Trails
No primary photo.
A Utah Flora
Vascular Plants of Montana
The Illustrated Companion to Gleason and Cronquist’s Manual. Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada.
Vascular Plants of West-Central Montana - Identification Guidebook
The Wallowa Mountains, A Natural History Guide
Alpine Wildflowers of the Rocky Mountains
Marin Flora
Sierra Birds - A Hiker's Guide
Cataclysms on the Columbia
Plant Identification Terminology. An Illustrated Glossary.
The Jepson Manual. Higher Plants of California
Manual of Vascular Plants of Northeastern United States and Adjacent Canada
Guide to the Plants of the Wallowa Mountains of Northeastern Oregon
Flora of Steens Mountain
Smithsonian Handbooks Birds of North America Western Region
A Field Manual of the Ferns & Fern-Allies of the United States & Canada
Northwest Exposures. A Geologic Story of the Northwest