| Name | Letharia vulpina f. californica (Léveillé) W. A. Weber |
| Authorship | (Léveillé) W. A. Weber |
| Rank | Forma |
| Placed in | Letharia vulpina (Linnaeus) Hue |
| GUID | urn:lsid:indexfungorum.org:names:351324 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Letharia vulpina f. californica (Léveillé) W. A. Weber |
| Identification made in | [no date] (2) |
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