| Classification | Incertae sedis: Arthothelium | 
| Barcode(s) | 00389079 | 
| Collector | P. F. May | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Worcester County | 
| Locality | [data not captured] | 
| Date Collected | 1997 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/baa89e98-adad-46f8-b309-3e7879a119e4 | 
| Harvard University Herbaria Barcode | 00389079 | 
| Herbarium | FH | 
| Family | Incertae sedis | 
| Determination |  Arthothelium ruanum (A. Massalongo) Körber | 
| Determination Remarks |  [current name] | 
| Family | Incertae sedis | 
| Determination |  Arthothelium ruanum (A. Massalongo) Körber | 
| Determination Remarks |  [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |