Arthonia stellaris
- kingdom: Fungi
- phylum: Ascomycota
- class: Arthoniomycetes
- order: Arthoniales
- family: Arthoniaceae
- genus: Arthonia
- species: Arthonia stellaris
Dellach im Drautal
Carinthia
Austria
Angra do Heroísmo
Azores- Camacha
Madeira
Portugal