Caloplaca arnoldii
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Teloschistales
- family: Teloschistaceae
- genus: Caloplaca
- species: Caloplaca arnoldii
Bad Hofgastein
Salzburg
Austria
Kalampáka- Kastrákion
Thessaly
Greece
Alderney
England
United Kingdom