| Name | Arthonia polygramma Nylander |
| Authorship | Nylander |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arthonia Acharius |
| Contains | Arthonia polygramma var. denudata Nylander |
| GUID | urn:lsid:indexfungorum.org:names:376753 |
| Citation | 1863 Acta Soc. Sci. Fenn. 7: 480 |
| Holdings | 22 Specimens held in the Harvard University Herbaria identified as Arthonia polygramma Nylander |
| Identification made in | [no date] (20), 1910 (1), 2016 (1) |
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