| Name | Opegrapha dimidiata Müller Argoviensis |
| Authorship | Müller Arg. |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Opegrapha Acharius |
| GUID | urn:lsid:indexfungorum.org:names:396368 |
| Citation | 1882 Flora 65: 322 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Opegrapha dimidiata Müller Argoviensis |
| Identification made in | 2005 (2) |