| Name | Leptogium americanum Degelius |
| Authorship | Degelius |
| Rank | Species |
| Placed in | Leptogium (Acharius) Gray |
| GUID | urn:lsid:indexfungorum.org:names:367827 |
| Citation | 1942 Ark. Bot. 1: 16 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Leptogium americanum Degelius |
| Identification made in | [no date] (1) |