| Name | Rhizocarpon grande (Flörke ex Flotow) Arnold |
| Authorship | (Flörke ex Flotow) Arnold |
| Rank | Species |
| Placed in | Rhizocarpon Ramond ex de Candolle |
| Citation | 1871 Flora 54: 149 |
| Holdings | 55 Specimens held in the Harvard University Herbaria identified as Rhizocarpon grande (Flörke ex Flotow) Arnold |
| Identification made in | [no date] (51), 2016 (1), 2018 (3) |
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