| Name | Rhizocarpon eupetraeum (Nylander) Arnold |
| Authorship | (Nylander) Arnold |
| Rank | Species |
| Placed in | Rhizocarpon Ramond ex de Candolle |
| GUID | urn:lsid:indexfungorum.org:names:404000 |
| Holdings | 18 Specimens held in the Harvard University Herbaria identified as Rhizocarpon eupetraeum (Nylander) Arnold |
| Identification made in | [no date] (18) |