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Wirthiotrema: a new genus for the Thelotrema glaucopallens group (Ascomycota: Ostropales: thelotremoid Graphidaceae)

Published online by Cambridge University Press:  29 January 2010

Eimy RIVAS PLATA
Affiliation:
Department of Botany, The Field Museum. 1440 S Lake Shore Drive, Chicago IL 60605, USA. Email: erivasplata@fieldmuseum.org; Biological Sciences Department, University of Illinois at Chicago, 845 W. Taylor St., Chicago, IL 60607, USA.
Klaus KALB
Affiliation:
Lichenologisches Institut Neumarkt, Im Tal 12, D-92318 Neumarkt, Germany.
Andreas FRISCH
Affiliation:
Department of Ecology, Swedish University of Agricultural Sciences, P.O. Box 7044 SE 750 07 Uppsala, Sweden.
Corresponding

Abstract

The new genus Wirthiotrema Rivas Plata, Kalb & Frisch. is described for the Thelotrema glaucopallens group, based on molecular and morphological evidence, with W. glaucopallens as the type species. The genus is characterized by myriotremoid thalli and apothecia, in combination with a paraplectenchymatous excipulum, I− ascospores, and stictic acid as a secondary compound. The new combinations W. glaucopallens (Nyl.) Rivas Plata & Kalb comb. nov., W. santessonii (Hale) Rivas Plata & Frisch comb. nov., and W. trypaneoides (Nyl.) Rivas Plata & Lücking comb. nov., are proposed and a key to the three species is presented.

Type
Research Article
Copyright
Copyright © British Lichen Society 2010

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Wirthiotrema: a new genus for the Thelotrema glaucopallens group (Ascomycota: Ostropales: thelotremoid Graphidaceae)
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Wirthiotrema: a new genus for the Thelotrema glaucopallens group (Ascomycota: Ostropales: thelotremoid Graphidaceae)
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