| Name | Graphis poitaeoides Nylander |
| Authorship | Nylander |
| Rank | Species |
| Placed in | Graphis Adanson |
| Citation | 1888 Syn. N. Amer. Lich. 2: 126 |
| Holdings | 18 Specimens held in the Harvard University Herbaria identified as Graphis poitaeoides Nylander |
| Identification made in | [no date] (18) |