Polymeridium quinqueseptatum
- kingdom: Fungi
- phylum: Ascomycota
- class: Dothideomycetes
- order: Trypetheliales
- family: Trypetheliaceae
- genus: Polymeridium
- species: Polymeridium quinqueseptatum
- Oranjestad
Sint Eustatius
BQ- Amite
- Roseland
- Shenandoah
Louisiana- Swansboro
North Carolina- Myrtle Beach
South Carolina- Houston
Texas
United States