Graphis macgregorii
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Ostropales
- family: Graphidaceae
- genus: Graphis
- species: Graphis macgregorii
Barrigada Village
BarrigadaChalan Pago-Ordot Village
Chalan Pago-OrdotMongmong-Toto-Maite Village
Mongmong-Toto-MaiteSinajana Village
Sinajana
Guam