| Name | Umbilicaria pennsylvanica Hoffmann |
| Authorship | Hoffmann |
| Rank | Species |
| Placed in | Umbilicaria Hoffmann |
| GUID | urn:lsid:indexfungorum.org:names:408141 |
| Citation | 1801 Veg. Cryptog. Boemiae 3: 5 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Umbilicaria pennsylvanica Hoffmann |
| Identification made in | [no date] (11) |
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