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Notes on the genus Polycoccum (Ascomycota, Dacampiaceae) in Spain, with a key to the species

Published online by Cambridge University Press:  28 March 2007

Violeta Atienza ,
Vicent Calatayud  and
David L. Hawksworth
Violeta Atienza
Affiliation:
Departament de Botànica, Facultat de Ciències Biològiques, Universitat de València, Dr. Moliner, 50, ES-46071 Burjassot, València, Spain
Vicent Calatayud
Affiliation:
Fundación CEAM, Calle Charles R. Darwin 14, Pare Tecnològic, ES-46980 Paterna, València, Spain
David L. Hawksworth
Affiliation:
Departamento de Biologìa Vegetal II, Facultad de Farmacia, Universidad Complutense, Plaza de Ramón y Cajal, Ciudad Universitaria, ES-28040 Madrid, Spain
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Abstract

Comments on and a key to the 13 Polycoccum species known in Spain are presented, including synopses of their world distributions. Amongst these is P. rubellianae sp. nov., a lichenicolous fungus growing on thalli of Caloplaca rubelliana in eastern Spain (Valencia). It has relatively small ascomata, the lower part pale brown, and also small ascospores which are coarsely verrucose and have a thick gelatinous sheath when young. The new species is associated with a Phoma-like anamorph. The identity and systematic position of P. opulentum requires further study as the name has been applied to different species, and the occurrence of P. marmoratum in Spain is in need of confirmation. The Spanish record of P. arnoldii on Lecania cyrtella probably refers to another yet undescribed species.

Keywords

CaloplacaDothidealesgallslichenicolous fungilichensValencia
Type
Research Article
Information
The Lichenologist , Volume 35 , Issue 2 , March 2003 , pp. 125 - 135
Copyright
Copyright © British Lichen Society 2003

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