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Studies on Some Species of Arthothelium Occurring in the Western Mediterranean

Published online by Cambridge University Press:  28 March 2007

Martin Grube
Affiliation:
Institut für Botanik, Karl-Franzens-Universität Graz, Holteigasse 6, A–8010 Graz, Austria
Mireia Giralt
Affiliation:
Department de Biologia Vegetal (Botanica), Facultat de Biologia, Universitat de Barcelona, Diagonal 645, E–08071 Barcelona, Spain

Abstract

We present a survey of the six known species of Anhothelium occurring in the western Mediterranean. The oceanic A. lirellans, which may occur in the study area, is included for comparison; A. taediosoides is described as new and a key to all species is given. Anhothelium as understood today is composed of more-or-less distinct natural groups of species, some of them being compared here. Representatives of the A. sardoum group are related to species of the Arthonia radiata or A. galactites group on the basis o anatomical characters of the ascomata.

Type
Research Article
Copyright
Copyright © British Lichen Society 1996

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