| Name | Arthothelium taediosum (Nylander) Müller Argoviensis |
| Authorship | (Nylander) Müller Arg. |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arthothelium A. Massalongo |
| GUID | urn:lsid:indexfungorum.org:names:377439 |
| Citation | 1880 Flora 63: 287 |
| Holdings | 45 Specimens held in the Harvard University Herbaria identified as Arthothelium taediosum (Nylander) Müller Argoviensis |
| Identification made in | [no date] (44), 1906 (1) |