| Classification | Lichens: Arthonia | 
| Barcode(s) | 00794842 | 
| Collector | E. Hall | 
| Country | United States of America | 
| State | Illinois | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois: Menard County: Athens | 
| Locality | [no additional data] | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7e54c08f-64b5-4b9e-99cb-6511101d7598 | 
| Harvard University Herbaria Barcode | 00794842 | 
| Herbarium | FH | 
| Determination |  Arthonia diffusa Nylander | 
| Determination Remarks |  [filed under] [current name] | 
| Subcollection | Sprague Herbarium | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |