Pyrenula microtheca
- kingdom: Fungi
- phylum: Ascomycota
- class: Eurotiomycetes
- order: Pyrenulales
- family: Pyrenulaceae
- genus: Pyrenula
- species: Pyrenula microtheca
Oranjestad
Sint Eustatius
BQ
Pilar
Alagoas
Brazil
Sanford
Florida- Krotz Springs
Louisiana- Buxton
North Carolina
United States