Dusky map lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Rhizocarpaceae
- genus: Rhizocarpon
- species: Rhizocarpon obscuratum
Globasnitz- Großkirchheim
Carinthia- Leiben
- Lengenfeld
- Stratzing
Lower Austria- Thurn
Tyrol- Schruns
Vorarlberg
Austria
Balderschwang- Neureichenau
- Passau
Bavaria
Germany
Alderney- Ilfracombe
England
United Kingdom
Lookout Mountain
Georgia- Burnsville
- Wadesboro
North Carolina- Lookout Mountain
Tennessee
United States