| Name | Pertusaria thiostoma Nylander |
| Authorship | Nylander |
| Rank | Species |
| Placed in | Pertusaria de Candolle |
| GUID | urn:lsid:indexfungorum.org:names:399925 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pertusaria thiostoma Nylander |
| Identification made in | [no date] (2) |