Rhizocarpon umbilicatum
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Rhizocarpaceae
- genus: Rhizocarpon
- species: Rhizocarpon umbilicatum
- Altaussee
Styria- Heiterwang
- Jochberg
Tyrol- Bizau
Vorarlberg
Austria- Czech Republic