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
Velké Svatoňovice
Brecht
Borgholm