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A new species of Lepraria (Lecanorales: Stereocaulaceae) from the Canary Islands and the typification of Lepraria isidiata

Published online by Cambridge University Press:  10 May 2006

Ana CRESPO ,
Arturo ARGUELLO ,
H. Thorsten LUMBSCH ,
Xavier LLIMONA  and
Tor TØNSBERG
Ana CRESPO
Affiliation:
Departamento de Biologia Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid 28040, Spain
Arturo ARGUELLO
Affiliation:
Departamento de Biologia Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid 28040, Spain
H. Thorsten LUMBSCH
Affiliation:
Department of Botany, The Field Museum, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA
Xavier LLIMONA
Affiliation:
Departament de Biologia Vegetal (Botánica), Universitat de Barcelona, Diagonal 645, Barcelona 08028, Spain
Tor TØNSBERG
Affiliation:
Museum of Botany, University of Bergen, Allégaten 41, P.O. Box 7800, N-5020 Bergen, Norway
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Abstract

The new species Lepraria santosii Argüello & Crespo is described from the Canary Islands. It is characterized by a crustose to subsquamulose thallus with slightly raised rim and the presence of atranorin and the stictic acid chemosyndrome. It is currently known from Tenerife (Canary Islands), where it grows on soil over basaltic rocks in the laurel forest. Twelve new sequences of the ITS region from this species and L. isidiata were obtained and analysed with sequences downloaded from GenBank. Maximum parsimony and Bayesian analyses suggest that Lepraria santosii is closely related to L. isidiata. The latter name is here lectotypified and the characters for the distinction of the two species from similar taxa are discussed.

Keywords

chemistryleprose lichensmolecular analysistaxonomytypification
Type
Research Article
Information
The Lichenologist , Volume 38 , Issue 3 , May 2006 , pp. 213 - 221
Copyright
© British Lichen Society 2006

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