| Name | Parmelia johnstonii C. W. Dodge |
| Authorship | C. W. Dodge |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Parmelia Acharius |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Parmelia johnstonii C. W. Dodge |
| Identification made in | [no date] (1) |