Rock-loving map lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Rhizocarpaceae
- genus: Rhizocarpon
- species: Rhizocarpon petraeum
Großkirchheim
Carinthia
Bad Hofgastein
Salzburg
Steyr
Upper Austria
Austria
Labrador City
Newfoundland and Labrador
Canada
Balderschwang
Bavaria
Germany- Italy
- United Kingdom
Corte Madera
Larkspur
Mill Valley
California
Clinton
East Haven
Connecticut
East Bridgewater
Wellesley
Massachusetts
Cinnaminson
Riverton
New Jersey
Wadesboro
North Carolina
Charleston
West Virginia
United States
Galliera Veneta
Berrington