| Name | Usnea australis Fries |
| Authorship | Fries |
| Rank | Species |
| Placed in | Usnea Dillenius ex Adanson |
| Citation | 1825 Syst. Orb. Veg. 1: 282 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Usnea australis Fries |
| Identification made in | [no date] (1) |
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