Opegrapha atra
- kingdom: Fungi
- phylum: Ascomycota
- class: Arthoniomycetes
- order: Arthoniales
- family: Roccellaceae
- genus: Opegrapha
- species: Opegrapha atra
Borgholm
Kalmar
Sweden
Ormond-by-the-Sea
Florida
United States
Opegrapha atra Borgholm Ormond-by-the-Sea