| Name | Peltigera extenuata (Nylander ex Vainio) Lojka |
| Authorship | (Nylander ex Vainio) Lojka |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Peltigera Willdenow |
| Citation | 1886 Fasc. 5: no. 222 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Peltigera extenuata (Nylander ex Vainio) Lojka |
| Identification made in | 2019 (1) |