| Name | Parmelia negata Nylander | 
| Authorship | Nylander | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Parmelia Acharius | 
| GUID | urn:lsid:indexfungorum.org:names:397937 | 
| Citation | 1872 Flora 55: 547 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Parmelia negata Nylander | 
| Identification made in | 1967 (1) | 
