| Name | Ramalina usnea f. tenuis (Nylander) Zahlbruckner |
| Authorship | (Nylander) Zahlbruckner |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Ramalina usnea (Linnaeus) R. Howe |
| GUID | urn:lsid:indexfungorum.org:names:481464 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ramalina usnea f. tenuis (Nylander) Zahlbruckner |
| Identification made in | 1958 (1) |