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The Distribution of Arctic Lichens and Thoughts Concerning Their Origin

Published online by Cambridge University Press:  28 March 2007

J. W. Thomson
J. W. Thomson
Affiliation:
Department of Botany, University of Wisconsin, Madison, WI 53706, USA.
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Abstract

The distribution of many Arctic lichens is well known but their place and time of origin is still conjectural. Land bridges are often suggested but continental drift suggests a possible tie to Gondwanaland and Pangaea. This review suggests consideration of the available evidence for such ideas and emphasizes the need for more exact data from molecular studies of living and amber materials to determine the antiquity of the lichen species involved.

Type
Research Article
Information
The Lichenologist , Volume 27 , Issue 6 , November 1995 , pp. 411 - 416
Copyright
Copyright © British Lichen Society 1995

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