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