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Two new species in the Micarea prasina group from Western Europe

  • Pieter P. G. VAN DEN BOOM (a1), A. Maarten BRAND (a2), Brian J. COPPINS (a3) and Emmanuël SÉRUSIAUX (a4)


Detailed morphological and anatomical studies informed by molecular inferences with mtSSU as a marker revealed two new species of Micarea in Western Europe, both belonging to the core group of the genus, namely the M. prasina group: M. herbarum from the Netherlands and Poland and M. meridionalis from Portugal and Italy. Micarea herbarum looks like a small or depauperate M. denigrata but clearly differs by the lack of gyrophoric acid, while M. meridionalis is distinguished by its granular thallus and the production of micareic acid.



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