Parmotrema crinitum used to be the only Czech isidiate member of the genus Parmotrema. It seeks moist well-lit submontane and montane forests, where it grows on bark of old deciduous trees and on mossy siliceous rocks. In Europe, it is distributed mainly in the rather cold oceanic regions of the temperate zone. In central Europe, the species is rare except for the Alps, where it is slightly more abundant. There are only a few of collections from the Czech Republic in 1922. It was found on (mossy) beeches on the slope of the Mt Malá Stolová in direction to Mt Kněhyně in the Moravskoslezské Beskydy Mts. Currently, the species is considered extinct in the country.
Literature: Suza J. (1926): Lichenes Slovakiae II. (Ad distributionem geographicam adnotionum). – Acta Botanica Bohemica, Praha, 4/5: 3–20. Šoun J. (2023): Revize historických položek rodu Parmotrema z území ČR uložených v herbáři PRM. – Bryonora 72: 23–33.
taxonomic classification:Ascomycota → Lecanoromycetes → Lecanorales → Parmeliaceae → Parmotrema
Red List (Liška & Palice 2010):RE – extinct
Red List (Malíček 2023):A – no recent data
Occurrence in the Czech Republic
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