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Twenty-one new species of Pyrenula from South America, with a note on over-mature ascospores

Published online by Cambridge University Press:  25 February 2013

André APTROOT ,
Harrie J. M. SIPMAN  and
Marcela Eugenia da Silva CÁCERES
André APTROOT
Affiliation:
ABL Herbarium, Gerrit van der Veenstraat 107, NL-3762 XK Soest, The Netherlands. Email: [email protected]
Harrie J. M. SIPMAN
Affiliation:
Botanischer Garten und Botanisches Museum, Freie Universität, Königin-Luise-Straße 6–8, D-14195 Berlin, Germany
Marcela Eugenia da Silva CÁCERES
Affiliation:
Departamento de Biociências, Universidade Federal de Sergipe, CEP: 49500-000, Itabaiana, Sergipe, Brazil
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Abstract

Twenty-three species of Pyrenula from Latin America are treated here. Several species show characters that were not previously reported in the genus and are rare or new to lichenized fungi, viz. yellow, orange or red (KOH+ green) oil inspersion in the hymenium, yellow oil in young ascospores or longitudinal ridges on the ascospore wall. Two taxonomically significant types of over-mature spores are illustrated. The following new species are described: Pyrenula aggregataspistea Aptroot & M. Cáceres, P. aurantioinspersa Aptroot & Sipman, P. cornutispora Aptroot & M. Cáceres, P. flavoinspersa Aptroot & Sipman, P. guyanensis Sipman & Aptroot, P. infraleucotrypa Aptroot & M. Cáceres, P. inframamillana Aptroot & M. Cáceres, P. infrastroidea Aptroot & Sipman, P. maritima Sipman & Aptroot, P. mattickiana Sipman & Aptroot, P. minoides Aptroot & Sipman, P. monospora Aptroot & Sipman, P. paraminarum Aptroot & M. Cáceres, P. perfecta Aptroot & Sipman, P. plicata Sipman & Aptroot, P. rubroinspersa Aptroot & Sipman, P. rubronitidula Aptroot & M. Cáceres, P. rubrostigma Aptroot & M. Cáceres, P. tetraspora Aptroot & Sipman, P. triangularis Aptroot & Sipman, P. viridipyrgilla Aptroot & M. Cáceres. Pyrenula seminuda (Müll. Arg.) Sipman & Aptroot is a new combination.

Keywords

lichenlichenized fungiNeotropicsPyrenulaceaeRondôniataxonomy
Type
Articles
Information
The Lichenologist , Volume 45 , Issue 2 , March 2013 , pp. 169 - 198
Copyright
Copyright © British Lichen Society 2013

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