| Name | Rhizocarpon tinei subsp. arcticum Runemark |
| Authorship | Runemark |
| Rank | Subspecies |
| Placed in | Rhizocarpon tinei Runemark |
| GUID | urn:lsid:indexfungorum.org:names:452483 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhizocarpon tinei subsp. arcticum Runemark |
| Identification made in | [no date] (1) |