Thelidium pyrenophorum
- kingdom: Fungi
- phylum: Ascomycota
- class: Eurotiomycetes
- order: Verrucariales
- family: Verrucariaceae
- genus: Thelidium
- species: Thelidium pyrenophorum
Dellach im Drautal
Feld am See
Großkirchheim
CarinthiaKleinzell
Lower AustriaPusterwald
StyriaSchröcken
Vorarlberg
AustriaKrokek
Östergötland
SwedenAlderney
England
United KingdomCanton
IllinoisBellingham
Washington
United States