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 over 158 color photographs, одшжя Lichens reveals the varied and intriguing world of organisms that have been used in natural remedies and are becoming key indicators of the earth's environmental health.  Чехол для2008 г Суперобложка, 112 стр ISBN 1439544387.