| Classification | Lichens: Arthonia |
| Harvard University Herbaria Barcode(s) | 00794867 |
| Collector | E. Hall |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois |
| Locality | [no additional data] |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0d6147da-98b1-4e2c-a982-109c78e8f9fc |
| Harvard University Herbaria Barcode | 00794867 |
| Herbarium | FH |
| Determination | Arthonia sp. |
| Determination Remarks | [is filed under name] [is Current name] |
| Annotation Text | [label reads] Arthonia medusae Tuck. |
| Subcollection | Sprague Herbarium |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
