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Graphis tetralocularis, a new lichen with four-celled ascospores from tropical Africa

Published online by Cambridge University Press:  01 March 2005

Christina BOCK  and
Markus HAUCK
Christina BOCK
Affiliation:
Albrecht von Haller Institute of Plant Sciences, University of Göttingen, Untere Karspüle 2, D-37073 Göttingen, Germany
Markus HAUCK
Affiliation:
Albrecht von Haller Institute of Plant Sciences, University of Göttingen, Untere Karspüle 2, D-37073 Göttingen, Germany
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Abstract

Graphis tetralocularis C. Bock & Hauck is described as a new species from Rwanda. It is characterized by triseptate, hyaline ascospores 12–15(–17)×5–7·5 μm, a connivent, laterally carbonized exciple and by the presence of atranorin. So far, G. tetralocularis is only known from the type locality in central Africa, where it grows epiphytically on Nuxia floribunda in a dry forest.

Keywords

Graphidaceaelichenized AscomycetesRwandataxonomy
Type
Research Article
Information
The Lichenologist , Volume 37 , Issue 2 , March 2005 , pp. 105 - 108
Copyright
© British Lichen Society 2005

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