| Name | Arthonia caesia (Flotow) Körber |
| Authorship | (Flotow) Körber |
| Rank | Species |
| Placed in | Arthonia Acharius |
| GUID | urn:lsid:indexfungorum.org:names:376374 |
| Citation | 1861 Parerga Lichenol. 269 |
| Holdings | 54 Specimens held in the Harvard University Herbaria identified as Arthonia caesia (Flotow) Körber |
| Identification made in | [no date] (54) |
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