| Name | Pyrenula adacta Fée |
| Authorship | Fée |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pyrenula Acharius |
| Citation | 1825 [1824] Essai Crypt. Écorc. 74 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pyrenula adacta Fée |
| Identification made in | [no date] (2) |