| Name | Arthonia polymorpha Acharius |
| Authorship | Acharius |
| Rank | Species |
| Placed in | Arthonia Acharius |
| Contains | Arthonia polymorpha var. guayacana (Fée) Müller Arg. |
| GUID | urn:lsid:indexfungorum.org:names:376755 |
| Holdings | 23 Specimens held in the Harvard University Herbaria identified as Arthonia polymorpha Acharius |
| Identification made in | [no date] (23) |