| 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) | 
