| Name | Uncinula adunca f. populi-tremulae Fuckel |
| Authorship | Fuckel |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Uncinula adunca (Wallroth) Léveillé |
| Citation | 1869 Fungi Rhenani Exsicc. Fasc. 23: no. 2236 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Uncinula adunca f. populi-tremulae Fuckel |
| Identification made in | [no date] (1) |