Rare, thallus monophyllous, grey to grey-brown, surface strongly rugose. Arctic-alpine lichen on well-lit siliceous rocks. In Northern Europe and high mountains, it may be locally abundant. In the Czech Republic only known from a few localities in the Šumava Mts, Mt Králický Sněžník and Krkonoše Mts. Recently found on Mt Malý Šišák and Kozí hřbety in the Krkonoše Mts.
Literatura: Lisická E. (1980): Flechtenfamilie Umbilicariaceae Fée in der Tschechoslowakei. – Biologické Práce SAV 26/4: 1–152.
taxonomic classification:Ascomycota → Lecanoromycetes → Umbilicariales → Umbilicariaceae → Umbilicaria
Red List (Liška & Palice 2010):CR – critically endangered
Red List (Malíček 2023):C1 – critically endangered
Occurrence in the Czech Republic
All records: 5, confirmed 2. One click on a selected square displays particular record(s), including their source(s).