Lupines of California
California Mosses
Nature's Best Hope (Young Reader's Edition): How You Can Save the World in Your Own Yard
Nature's Best Hope: A New Approach to Conservation That Starts in Your Yard
Trees and Shrubs of Nevada and Placer Counties, California
Wildflowers of Nevada and Placer Counties, California (second edition)
An Illustrated Flora of Sequoia and Kings Canyon National Parks
Marin Flora - An Illustrated Manual of the Flowering Plants, Ferns, and Conifers of Marin
Field Guide To Manzanitas
Plants of Mount Tamalpais
Rock Creek Wildflowers
Kern County Flora: A Key to Vascular Plant Species of Kern County, CA
A Flora of Napa County
San Bruno Mountain: A Guide to the Flora and Fauna
The Plants of Monterey County, an Illustrated Field Key
Monterey County Wildflowers, a Field Guide
The Vascular Plants of Northwestern California
A Flora of Lava Beds National Monument California
Flowering Plants and Ferns of Mount Diablo, California
Origin and Relationships of the California Flora