| Name | Usnea halei P. Clerc |
| Authorship | P. Clerc |
| Rank | Species |
| Placed in | Usnea Dillenius ex Adanson |
| GUID | urn:lsid:indexfungorum.org:names:442933 |
| Citation | 1997 Bryologist 100(3): 291 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Usnea halei P. Clerc |
| Identification made in | [no date] (2) |
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