| Name | Arthothelium sp. |
| Authorship | |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arthothelium A. Massalongo |
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Arthothelium sp. |
| Identification made in | [no date] (19), 1906 (1), 2003 (1) |
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