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Australiaena Streimannii, a New Genus and Species in the Physciaceae From Tropical Australasia

Published online by Cambridge University Press:  28 March 2007

M. Matzer ,
H. Mayrhofer  and
J. A. Elix
M. Matzer
Affiliation:
Institut für Botanik, Karl-Franzens-Universität Graz, Holteigasse 6, A–8010 Graz, Austria.
H. Mayrhofer
Affiliation:
Institut für Botanik, Karl-Franzens-Universität Graz, Holteigasse 6, A–8010 Graz, Austria.
J. A. Elix
Affiliation:
Department of Chemistry, The Faculties, Australian National University, Canberra, ACT, 0200, Australia.
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Abstract

The genus Australiaena (lichenized Ascomycetes, Physciaceae) with the single species A. streimannii sp. nov. is described as new from tropical Australasia. Morphologically it is characterized by crustose thalli with an often radiate-plicate margin, ascospores with a type-B ontogeny, and filiform spermatia. The chemistry of this taxon is diverse (lobaric acid, conlobaric acid, xanthones, gyrophoric acid, lecanoric acid, 5-O- ethylhiascic acid, perlatolic acid), and three chemotypes are distinguished.

Type
Research Article
Information
The Lichenologist , Volume 29 , Issue 1 , January 1997 , pp. 35 - 44
Copyright
Copyright © British Lichen Society 1997

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