A rare semiaquatic montane cyanolichen with a radially-organized thallus with marginal finger-shaped flattened lobes that are tightly adpressed to the substrate. It grows on open, permanently humid, periodically inundated siliceous rocks rich in minerals. In the Czech Republic, it is historically as well as recently only known from the Labský důl and Obří důl glacial cirques in the Krkonoše Mts. The lichen has been documented from the Bavarian part of the Šumava Mts as well. It is rare in central Europe.
Literature: Thüs H. & Schultz M. (2009): Fungi: Lichens Pt. 1 (Süßwasserflora Von Mitteleuropa / Freshwater Flora of Central Europe). – Spektrum Akademischer Verlag, Heidelberg.taxonomic classification:
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