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Some new Lecanora species from western and central Europe, belonging to the L. saligna group, with notes on related species

Published online by Cambridge University Press:  18 November 2008

Pieter P. G. van den BOOM  and
A. Maarten BRAND
Pieter P. G. van den BOOM
Affiliation:
Arafura 16, 5691 JA, Son, the Netherlands.
A. Maarten BRAND
Affiliation:
Klipperwerf 5, 2317 DX, Leiden, the Netherlands.
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Abstract

A revision of the Lecanora saligna-group is provided, based on specimens mainly from western and central Europe. Four new Lecanora species related to L. saligna are described: L. calabrica, L. coppinsii, L. pseudosarcopidoides and L. subsaligna, as well as a new variety, L. albellula var. macroconidiata. The species treated have in common relatively short and ± curved or bacilliform conidia and/or isousnic acid as a secondary metabolite. Species without isousnic acid, containing exclusively filiform conidia are excluded. Notes on various types of conidia (macroconidia, microconidia, mesoconidia and leptoconidia), morphology, ecology, chemistry and distribution are given and a key to the treated species is provided. Detailed descriptions are presented for eight related species in order to highlight the distinguishing characters.

Keywords

conidiaLecanoraceaeleptoconidiaL. calabricaL. coppinsiiL. pseudosarcopidoidesL. subsalignanew species and a varietytaxonomy
Type
Research Article
Information
The Lichenologist , Volume 40 , Issue 6 , November 2008 , pp. 465 - 497
Copyright
Copyright © British Lichen Society 2008

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