Roughened Iceland lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Parmeliaceae
- genus: Cetraria
- species: Cetraria muricata
Dellach im Drautal- Feld am See
- Großkirchheim
- Steinfeld
Carinthia- Schruns
Vorarlberg
Austria
Naturno - Naturns- Predoi - Prettau
Trentino-Alto Adige
Italy
Beverwijk- Velsen-Zuid
North Holland
Netherlands
Mellbystrand- Särö
- Träslövsläge
Halland- Bergshamra
- Bollmora
- Djursholm
- Skytteholm
- Älta
Stockholm
Sweden
Republic
Washington
United States
Jesteburg