| Name | Rhizocarpon geographicum (Linnaeus) de Candolle |
| Authorship | (Linnaeus) de Candolle |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhizocarpon Ramond ex de Candolle |
| Contains | Rhizocarpon geographicum var. atrovirens (Linnaeus) Körber Rhizocarpon geographicum f. contiguum (Schaerer) A. Massalongo Rhizocarpon geographicum var. lecanorinum Körber Rhizocarpon geographicum f. pulverulentum (Schaerer) Rabenhorst |
| GUID | urn:lsid:indexfungorum.org:names:404005 |
| Citation | 1805 Fl. Franc. [de Candolle & Lamarck], ed. 3. 2: 365 |
| Holdings | 177 Specimens held in the Harvard University Herbaria identified as Rhizocarpon geographicum (Linnaeus) de Candolle |
| Identification made in | [no date] (162), 2010 (3), 2013 (4), 2014 (1), 2016 (1), 2018 (6) |