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A distinctive new species of Biatora (Ramalinaceae, Lecanorales) described from native European forests

Published online by Cambridge University Press:  22 September 2023

Zdeněk Palice*
Affiliation:
Institute of Botany of the Czech Academy of Sciences, CZ-252 43 Průhonice, Czech Republic
Jiří Malíček
Affiliation:
Institute of Botany of the Czech Academy of Sciences, CZ-252 43 Průhonice, Czech Republic
Jan Vondrák
Affiliation:
Institute of Botany of the Czech Academy of Sciences, CZ-252 43 Průhonice, Czech Republic Faculty of Biological Sciences, University of South Bohemia, CZ-370 05 České Budějovice, Czech Republic
Christian Printzen
Affiliation:
Department of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, D-60325 Frankfurt am Main, Germany
*
Corresponding author: Zdeněk Palice; Email: zdenek.palice@ibot.cas.cz

Abstract

A unique crustose lichen species was recently documented from various types of preserved forests across boreal and temperate Europe (Norway, Ukraine, the Czech Republic) and the Caucasus (Russia). It is formally described here as the new species Biatora amylacea. A phylogeny based on ITS and mtSSU sequences demonstrates that it belongs to an isolated group within the core of Biatora s. lat., together with the recently described B. radicicola. It is a distinctive taxon within the genus on account of its amyloid exciple, otherwise known only from members of the Biatora rufidula group. The new species is also characterized by amyloid thalline hyphae and the production of soredia with a blue-green pigment. This microlichen may serve as a bioindicator species of old-growth forests.

Type
Standard Paper
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of the British Lichen Society

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