| Name | Arthonia subastroidella Nylander |
| Authorship | Nylander |
| Rank | Species |
| Placed in | Arthonia Acharius |
| GUID | urn:lsid:indexfungorum.org:names:376845 |
| Citation | 1885 Flora 68: 312 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Arthonia subastroidella Nylander |
| Identification made in | [no date] (1), 2016 (1) |