| Name | Pertusaria ambigens (Nylander) Tuckerman |
| Authorship | (Nylander) Tuckerman |
| Rank | Species |
| Placed in | Pertusaria de Candolle |
| GUID | urn:lsid:indexfungorum.org:names:399408 |
| Citation | 1877 Proc. Amer. Acad. Arts 12: 176 |
| Holdings | 15 Specimens held in the Harvard University Herbaria identified as Pertusaria ambigens (Nylander) Tuckerman |
| Identification made in | [no date] (15) |