| Name | Usnea duriuscula Motyka ex Linder |
| Authorship | Motyka ex Linder |
| Rank | Species |
| Placed in | Usnea Dillenius ex Adanson |
| GUID | urn:lsid:indexfungorum.org:names:371080 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Usnea duriuscula Motyka ex Linder |
| Identification made in | [no date] (1) |