| Name | Rhizocarpon macrosporum Räsänen |
| Authorship | Räsänen |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhizocarpon Ramond ex de Candolle |
| GUID | urn:lsid:indexfungorum.org:names:370029 |
| Citation | 1943 Feddes Repert. 52: 131 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Rhizocarpon macrosporum Räsänen |
| Identification made in | [no date] (1), 2009 (1), 2018 (1) |