California Mosses
California Plants: A Guide to Our Iconic Flora
Plants of Mount Tamalpais
Wildflowers of California’s Klamath Mountains
Monterey County Wildflowers, a Field Guide
Conifers of the Pacific Slope (2nd Edition)
Conifer Country (Second Edition)
California Trees: A Field Guide to the Native Species
Wildflowers of Nevada and Placer Counties, California (second edition)