Cecidonia umbonella
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Lecideaceae
- genus: Cecidonia
- species: Cecidonia umbonella
Dellach im Drautal
Carinthia
Kaprun
Salzburg
Austria
Cecidonia umbonella
Dellach im Drautal
Kaprun