Micarea coppinsii Tønsberg

A lichen related to M. peliocarpa, but characterised by its conspicuous green to grey globose soralia scattered on an indistinct gelatinous thallus. The soralia contain the characteristic lichen substance, 5-O-methylhiascic acid (C+ red). Apothecia are rare.

Micarea coppinsii occurs on rocks, stones and as an epiphyte on tree bark (Coppins 2009). In Europe, it has a suboceanic distribution with the easternmost occurrences in Austria (Türk & Hafellner 2017) and the Czech Republic (Vondrák et al. 2022). In the Czech Republic, the species has been recorded as an epiphyte (on alder in the Otovský Brook valley in the Šumava Mts) and as an epilith (Křivoklát region: Týřov and Jouglovka). Epilithic occurrences are associated with moist, often slightly shaded nutrient-poor siliceous rocks (silicites, rhyolites), where the species is typically found in association with filamentous algae.

Literature: Coppins B. J. (2009): Micarea Fr. (1825). – In: Smith C. W., Aptroot A., Coppins B. J., Fletcher A., Gilbert O. L., James P. W. & Wolseley P. A. [eds], The lichens of Great Britain and Ireland, p. 583–606, The British Lichen Society, London. Türk R. & Hafellner J. (2017): Zweiter Nachtrag zur Bibliographie der Flechten in Österreich [Second supplement to the bibliography of lichens in Austria]. – Stapfia 104: 1–137. Vondrák J. et al. (2022): From Cinderella to Princess: an exceptional hotspot of lichen diversity in a long-inhabited central-European landscape. – Preslia 94: 143–181.

taxonomic classification:

Ascomycota Lecanoromycetes Lecanorales Pilocarpaceae Micarea

Red List (Malíček 2023):DD – data deficient

Occurrence in the Czech Republic

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