Rhizocarpon umbilicatum
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Rhizocarpaceae
- genus: Rhizocarpon
- species: Rhizocarpon umbilicatum
Altaussee
StyriaHeiterwang
Jochberg
TyrolBizau
Vorarlberg
Austria- Czech Republic