| Name | Parmelia saxatilis var. laevis Nylander | 
| Authorship | Nylander | 
| Rank | Variety | 
| Placed in | Parmelia saxatilis (Linnaeus) Acharius | 
| Citation | 1860 Syn. Meth. Lich. [Nylander] 1(2): 381 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Parmelia saxatilis var. laevis Nylander | 
| Identification made in | [no date] (1) |