| Name | Parmelia saxatilis f. panniformis Crombie |
| Authorship | Crombie |
| Rank | Forma |
| Placed in | Parmelia saxatilis (Linnaeus) Acharius |
| GUID | urn:lsid:indexfungorum.org:names:100024 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Parmelia saxatilis f. panniformis Crombie |
| Identification made in | [no date] (3) |