| Name | Ptilidium pulcherrimum (Weber) Vainio |
| Authorship | (Weber) Vainio |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ptilidium |
| Citation | 1878 Meddeland. Soc. Fauna Fl. Fenn. 3: 88 |
| Holdings | 216 Specimens held in the Harvard University Herbaria identified as Ptilidium pulcherrimum (Weber) Vainio |
| Identification made in | [no date] (202), 1906 (4), 2016 (1), 2018 (1), 2019 (8) |