Annulohypoxylon thouarsianum
- kingdom: Fungi
- phylum: Ascomycota
- class: Sordariomycetes
- order: Xylariales
- family: Xylariaceae
- genus: Annulohypoxylon
- species: Annulohypoxylon thouarsianum
Altadena- Mount Hermon
- Scotts Valley
California- Altamonte Springs
- Fern Park
Florida- Palos Park
Illinois- Baton Rouge
Louisiana
United States