A relatively conspicuous lichen, described from the Czech Republic from the Obří důl glacial cirque in the Krkonoše Mountains (Koerber 1855), where, almost certainly, it has already got extinct. Later, Gyalecta friesii was not found in the country. It is a very rare boreal lichen that requires microclimatically stable environment of humid and well-lit coniferous forests (mainly spruce ones), where it grows on overshadowed tree bases and exposed roots, on decaying wood or peat. In Europe, the species is more common only in Scandinavia. It is very rare in mountain forests of the Alps and Western Carpathians.
Literature: Koerber G.W. (1855): Systema Lichenum Germaniae. Die Flechten Deutschlands (insbesondere Schlesiens), mikroskopisch geprüft, kritisch gesichtet, charakteristisch beschrieben und systematisch geordnet. – Trewendt & Granier, Breslau.taxonomic classification:
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