| Name | Usnea merrillii Motyka |
| Authorship | Motyka |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Usnea Dillenius ex Adanson |
| GUID | urn:lsid:indexfungorum.org:names:412155 |
| Citation | 1937 Usnea 2: 355, 371 |
| Holdings | 15 Specimens held in the Harvard University Herbaria identified as Usnea merrillii Motyka |
| Identification made in | [no date] (10), 2005 (5) |