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The Genus Calycidium Stirt.

Published online by Cambridge University Press:  28 March 2007

Mats Wedin*
Affiliation:
Botany Department, The Natural History Museum, Cromwell Road, London, SW7 5BD, UK.
*
Address for correspondence: Department of Ecology and Environmental Science, Umeå University, 5E-901 87 Umeå, Sweden.

Abstract

The lichen genus Calycidium Stirt. (Calycidiaceae, Lecanorales, ‘Caliciales’ s. lat.) contains two species: C. cuneatum Stirt., distributed in Australia (Tasmania) and New Zealand, and C. polycarpum (Colenso) Wedin, comb, nov., distributed in Argentina, Australia (Tasmania), Chile and New Zealand. The morphology, chemistry, ecology and distribution of the two species is discussed, as is the taxonomic position of the genus. Calycidium is reported as new to Argentina.

Type
Research Article
Copyright
Copyright © British Lichen Society 2002

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