| Name | Arthothelium subastroideum (Anzi) Rehm |
| Authorship | (Anzi) Rehm |
| Rank | Species |
| Placed in | Arthothelium A. Massalongo |
| GUID | urn:lsid:indexfungorum.org:names:245512 |
| Citation | 1891 ["1896"] Rabenh. Krypt.-Fl., ed. 2. 1.3(lief. 34): 441 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Arthothelium subastroideum (Anzi) Rehm |
| Identification made in | [no date] (7) |