| Name | Letharia divaricata (Linnaeus) Hue |
| Authorship | (Linnaeus) Hue |
| Rank | Species |
| Placed in | Letharia (Th. Fries) Zahlbruckner |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Letharia divaricata (Linnaeus) Hue |
| Identification made in | [no date] (4) |