Chaenotheca xyloxena
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Coniocybaceae
- genus: Chaenotheca
- species: Chaenotheca xyloxena
- Schachendorf
- Schandorf
- Strem
Burgenland- Globasnitz
- Großkirchheim
Carinthia- Kleinzell
Lower Austria- Kaprun
- Leogang
- Neukirchen am Großvenediger
Salzburg- Heiterwang
- Radfeld
Tyrol- Bürserberg
- Hörbranz
Vorarlberg
Austria- Passau
Bavaria
Germany