Rhizocarpon subgeminatum
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Rhizocarpaceae
- genus: Rhizocarpon
- species: Rhizocarpon subgeminatum
Ulrichsberg
Upper Austria
Austria
Napanoch
New York
United States