| Name | Pyrenula leucostoma Acharius |
| Authorship | Acharius |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pyrenula Acharius |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Pyrenula leucostoma Acharius |
| Identification made in | [no date] (23), 2007 (1) |