The definitive guide to California's diverse array of lichen flora, with color photographs and descriptions of over 500 species

Lichens are among the most colorful and abundant organisms in the world. They provide food and nesting material for a wide variety of wildlife, contribute nutrients to the soil, and are indicators of both undisturbed ecosystems and clean air. They lend color and pattern to trees, shrubs, and rocks, yet most people know little about them. This richly illustrated, authoritative guide to the lichens of California draws new attention to these striking...

Created in response to requests from longtime users, this addition to the acclaimed reference to North American lichens compiles updated and expanded keys for the identification of these fascinating organisms. An ideal laboratory resource, it covers over 2,000 species of lichens indigenous to the continent. There is no comparable volume available for classroom, workshop, or private use. A glossary is illustrated with photographs by Sylvia Duran Sharnoff and Stephen Sharnoff and drawings by Susan Laurie-Bourque, all from the original book. The revised keys are an indispensable identification...