| Classification | Fungi: Ascomycota: Ascomycetes: Opegraphales: Opegraphaceae: Opegrapha | 
| Barcode(s) | 00455969 | 
| Collector | H. E. Hasse | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Diego County | 
| Locality | [data not captured] | 
| Date Collected | 1909 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/888663ea-55d8-4e83-8f1b-b74805f78b26 | 
| Harvard University Herbaria Barcode | 00455969 | 
| Herbarium | FH | 
| Family | Opegraphaceae | 
| Determination |  Opegrapha atra Persoon | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |