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The Lichen genus Ramalina Ach. (Ramalinaceae) on the Outlying Islands of the New Zealand geographic area

Published online by Cambridge University Press:  28 March 2007

J. M. Bannister  and
D. J. Blanchon
J. M. Bannister
Affiliation:
Department of Botany, University of Otago, P.O. Box 56, Dunedin, New Zealand
D. J. Blanchon
Affiliation:
Resource Management Research Group, School of Landscape and Plant Science, UNITEC, Private Bag 92025, Auckland, New Zealand
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Abstract

The diversity of species of Ramalina occurring on the outlying islands of the New Zealand geographic area is linked to their methods of dispersal and the origin and principal climatic features of the islands themselves. It appears that species of Ramalina have reached these islands by transoceanic, wind-borne dispersal of ascospores and soredia, not necessarily in the direction of the prevailing winds. Species have become established on the islands only if both climatic and habitat requirements have been met.

Keywords

species of RamalinaNew Zealand geographic areaemergent oceanic islandswind-borne dispersal
Type
Research Article
Information
The Lichenologist , Volume 35 , Issue 2 , March 2003 , pp. 137 - 146
Copyright
Copyright © British Lichen Society 2003

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