| Name | Arthonia caudata Willey |
| Authorship | Willey |
| Rank | Species |
| Placed in | Arthonia Acharius |
| GUID | urn:lsid:indexfungorum.org:names:376389 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Arthonia caudata Willey |
| Identification made in | [no date] (8) |
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