| Name | Arthonia floridana Willey |
| Authorship | Willey |
| Rank | Species |
| Placed in | Arthonia Acharius |
| GUID | urn:lsid:indexfungorum.org:names:516316 |
| Citation | 1887 Intr. Study Lich. 52 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Arthonia floridana Willey |
| Identification made in | [no date] (5), 2016 (2) |