Postia caesia
- kingdom: Fungi
- phylum: Basidiomycota
- class: Agaricomycetes
- order: Polyporales
- family: Fomitopsidaceae
- genus: Postia
- species: Postia caesia
Frederiksberg
Sorø
Zealand
Denmark
Tornio
Pirkanmaa
Finland- France
- Luxembourg
Ornäs
Dalarna
Hofors
Gävleborg
Haparanda
Norrbotten
Bårslöv
Höganäs
Tollarp
Örkelljunga
Skåne
Bara
Gnesta
Hälleforsnäs
Malmköping
Nyköping
Olstorp
Vagnhärad
Södermanland
Björneborg
Värmland
Ramnäs
Surahammar
Västmanland
Garphyttan
Karlskoga
Kumla
Vintrosa
Örebro
Sweden
Auburn
Mount Hermon
Scotts Valley
California
Glenview
Morton Grove
Illinois
Porter
Indiana
Hanover
New Hampshire
Middlebush
Newfield
New Jersey
Corvallis
Oregon
Kittanning
Saxonburg
West Hills
West Kittanning
Pennsylvania
Redmond
Washington
United States
Sicamous
Audun-le-Tiche
Gonderange