| Name | Arthothelium macounii (Merrill) W. J. Noble |
| Authorship | (Merrill) W. J. Noble |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arthothelium A. Massalongo |
| Citation | 1987 Mycotaxon 28(1): 91 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Arthothelium macounii (Merrill) W. J. Noble |
| Identification made in | [no date] (1) |