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William Purvis

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Exam Copy
Lichens

Written by William Purvis


Format: Trade Paperback, 112 pages
Publisher: Smithsonian Books
On Sale: September 17, 2000
Price: $16.95

From the rain forests of Costa Rica to the frozen deserts of Antarctica, lichens are a familiar part of the landscape. Widespread and long-lived, yet vulnerable to environmental disturbance, lichens are useful to scientists in assessing the effects of air pollution, ozone depletion, and metal contamination. Illustrated with more than 150... Read more >
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