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New or interesting Chapsa and Topeliopsis species (Ascomycota: Ostropales) from Argentina

Published online by Cambridge University Press:  29 January 2010

María Inés MESSUTI ,
Patricia L. CODESAL ,
Armin MANGOLD ,
Robert LÜCKING  and
H. Thorsten LUMBSCH
María Inés MESSUTI
Affiliation:
Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA) – CONICET - Universidad del Comahue, Quintral 1250, 8400 San Carlos de Bariloche, Río Negro, Argentina. Email: [email protected]
Patricia L. CODESAL
Affiliation:
de Ciencias Naturales, Universidad Nacional de la Patagonia San Juan Bosco, Sarmiento 849, 9200 Esquel, Chubut, Argentina.
Armin MANGOLD
Affiliation:
Department of Botany, The Field Museum, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA.
Robert LÜCKING
Affiliation:
Department of Botany, The Field Museum, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA.
H. Thorsten LUMBSCH
Affiliation:
Department of Botany, The Field Museum, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA.
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Abstract

Chapsa rubropruinosa Messuti & Codesal collected in Argentina is described as new to science. The species is characterized by a thin thallus, apothecia with a pigmented disc, and transversely septate, hyaline, non-amyloid to faintly amyloid ascospores with thin cell walls. Chapsa minor is recorded for the first time from South America. The new combination Topeliopsis lomatiae (Messuti, Lumbsch & Vězda) Messuti & Mangold is proposed.

Keywords

Graphidaceaehygrophilous forestPatagoniataxonomyThelotremataceae
Type
Research Article
Information
The Lichenologist , Volume 42 , Issue 2 , March 2010 , pp. 191 - 195
Copyright
Copyright © British Lichen Society 2010

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