Conifers of the Pacific Slope (2nd Edition)
California Trees: A Field Guide to the Native Species
Nature's Best Hope: A New Approach to Conservation That Starts in Your Yard
Wildflowers of California
Conifer Country (Second Edition)
Wildflowers of California’s Klamath Mountains
Plants of Mount Tamalpais
Monterey County Wildflowers, a Field Guide
California Mosses