| Name | Letharia columbiana (Nuttall) J. W. Thomson |
| Authorship | (Nuttall) J. W. Thomson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Letharia (Th. Fries) Zahlbruckner |
| GUID | urn:lsid:indexfungorum.org:names:345259 |
| Citation | 1969 Taxon 18: 536 |
| Holdings | 71 Specimens held in the Harvard University Herbaria identified as Letharia columbiana (Nuttall) J. W. Thomson |
| Identification made in | [no date] (68), 1970 (1), 2018 (2) |
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