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New Species of Lichenized and Non-Lichenized Ascomycetes from a Rainforest Canopy in Southern Venezuela

Published online by Cambridge University Press:  28 March 2007

Harald Komposch ,
André Aptroot  and
Josef Hafellner
Harald Komposch
Affiliation:
Institut für Botanik, Karl-Franzens-Universität, Holteigasse 6, A-8010 Graz, Austria.
André Aptroot
Affiliation:
Centraalbureau voor Schimmelcultures, P.O. Box 85167, 3508 AD Utrecht, The Netherlands.
Josef Hafellner
Affiliation:
Institut für Botanik, Karl-Franzens-Universität, Holteigasse 6, A-8010 Graz, Austria.
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Abstract

Four species of corticolous lichenized and non-lichenized ascomycetes are described from a tropical lowland rainforest in southern Venezuela: Mycomicrothelia xanthonica Komposch, Aptroot & Hafellner along with the closely related M. macrocarpa Komposch, Aptroot & Hafellner (Arthopyreniaceae), Pseudopyrenula cryptotheca Komposch, Aptroot & Hafellner (Trypetheliaceae), and Ancistrosporella psoromica Komposch, Aptroot & Hafellner (Opegraphaceae). Descriptions and illustrations are presented and the relationships of the taxa discussed. In addition, the following new combination is proposed: Ancistrosporella curvata (Aptroot) Komposch (Opegrapha curvata Aptroot). Ancistroporella G.Thor is regarded as typographical error and corrected to Ancistrosporella.

Keywords

lichensnon-lichenized ascomycetesrainforest canopyVenezuela
Type
Research Article
Information
The Lichenologist , Volume 34 , Issue 3 , May 2002 , pp. 223 - 235
Copyright
Copyright © British Lichen Society 2002

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