| Name | Rhizocarpon badioatrum var. atroalbum Malme |
| Authorship | Malme |
| Rank | Variety |
| Placed in | Rhizocarpon badioatrum (Flörke ex Sprengel) Th. Fries |
| GUID | urn:lsid:indexfungorum.org:names:486591 |
| Citation | 1922 Acta Soc. Fauna Fl. Fenn. 53(no. 1): 328 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Rhizocarpon badioatrum var. atroalbum Malme |
| Identification made in | [no date] (3) |
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