Spine title: Lichens. - Ill. on lining papers.
Previous ed.: / by Kenneth Leonard Alvin and Kenneth Andrew Kershaw. 1963.
Bibliography: p.183. _ Includes index.
The observer's book of lichens by Kenneth L. Alvin. ISBN 0723215669. Published by F. Warne in 1977. Publication and catalogue information, links to buy online and reader comments.