The Wallowa Mountains, A Natural History Guide
No primary photo.
Enter the Forest: A Guide to the Angeles National Forest
Plant Identification Terminology. An Illustrated Glossary.
The Illustrated Companion to Gleason and Cronquist’s Manual. Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada.
Guide to the Plants of the Wallowa Mountains of Northeastern Oregon
Vascular Plants of West-Central Montana - Identification Guidebook