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Lecanora sorediomarginata, a new epiphytic lichen species discovered along the Portuguese coast

Published online by Cambridge University Press:  01 February 2011

Sandrina Azevedo RODRIGUES
Affiliation:
CESAM & Departamento de Biologia, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal. Email rodrigues.s@ua.pt
Arsenio TERRÓN-ALFONSO
Affiliation:
Departamento de Biodiversidad y Gestión Ambiental, Área Botánica, Facultad de Biología y Ciencias Ambientales, Universidad de León, Campus Vegazana S/N, 24071, Léon, Spain.
John A. ELIX
Affiliation:
Research School of Chemistry, Building 33, Australian National University, Canberra ACT 0200, Australia.
Sergio PÉREZ-ORTEGA
Affiliation:
Instituto de Recursos Naturales, Centro de Ciencias Medioambientales (CSIC), c/ Serrano 115 dpdo, E-28006 Madrid, Spain.
Tor TØNSBERG
Affiliation:
Museum of Natural History, University of Bergen, Allégaten 41, P. O. Box 7800, N-5020 Bergen, Norway.
Ana Belén FERNÁNDEZ-SALEGUI
Affiliation:
Departamento de Biodiversidad y Gestión Ambiental, Área Botánica, Facultad de Biología y Ciencias Ambientales, Universidad de León, Campus Vegazana S/N, 24071, Léon, Spain.
Amadeu M. V. M. SOARES
Affiliation:
CESAM & Departamento de Biologia, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal. Email rodrigues.s@ua.pt

Abstract

Lecanora sorediomarginata Rodrigues, Terrón & Elix sp. nov., described as new to science from Portugal, is characterized morphologically by a crustose whitish-grey to greenish thallus developing soralia from small, marginal warts and chemically by the presence of 3,5-dichloro-2′-O-methylnorstenosporic acid [major], 3,5-dichloro-2′-O-methylanziaic acid [minor], 3,5-dichloro-2′-O-methylnordivaricatic acid [minor], 5-chloro-2′-O-methylanziaic acid [trace], atranorin [minor], chloroatranorin [minor], and usnic acid [trace]. It is chemically similar to L. lividocinerea, to which it shows phylogenetic affinities based on ITS rDNA sequence analysis, and to L. sulphurella. Lecanora sorediomarginata is epiphytic on Pinus pinaster and P. pinea, in pine forests on sand dunes along the Portuguese coast.

Type
Research Article
Copyright
Copyright © British Lichen Society 2011

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