Grayish button lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Teloschistales
- family: Physciaceae
- genus: Diplotomma
- species: Diplotomma alboatrum
Gloggnitz
Lower Austria
Lenzing
Schärding
Seewalchen
Zell am Pettenfirst
Zwettl an der Rodl
Upper Austria
Austria
Ano Arhanes
Crete
Emporeío
South Aegean
Greece
Angra do Heroísmo
Azores
Portugal
Kuzma
Kuzma
Slovenia
Mörrum
Nättraby
Ronneby
Sölvesborg
Blekinge
Rättvik
Dalarna
Häljarp
Jönköping
Borgholm
Nybro
Södra Sandby
Timmernabben
Kalmar
Gnesta
Södermanland
Uppsala
Uppsala
Linköping
Vikingstad
Östergötland
Sweden
Alderney
England
United Kingdom
Corte Madera
Larkspur
Mill Valley
Palo Alto
Stanford
California
Lookout Mountain
Georgia
Canton
Illinois
Fayette
Iowa
Cottonwood Falls
Kansas
Arlington
Cambridge
Somerville
Weymouth
Massachusetts
Kadoka
South Dakota
Lookout Mountain
Tennessee
United States