Blastenia crenularia
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Teloschistales
- family: Teloschistaceae
- genus: Blastenia
- species: Blastenia crenularia
Birgte
North Rhine-Westphalia
Germany
Celle Ligure
Sestri Levante
Varazze
Liguria
San Michele
Trentino-Alto Adige
Italy
Camacha
Vila de Porto Santo
Madeira
Portugal
Särö
Halland
Skytteholm
Stockholm
Sweden
Landewednack
England
United Kingdom
Méthana
Garachico