| Name | Pertusaria leucostoma (Acharius) A. Massalongo |
| Authorship | (Acharius) A. Massalongo |
| Rank | Species |
| NomenclaturalStatus | Synonym |
| Placed in | Pertusaria de Candolle |
| Citation | 1852 Ric. Auton. Lich. Crost. 188 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pertusaria leucostoma (Acharius) A. Massalongo |
| Identification made in | [no date] (2) |