| Name | Parmelia stenophylla f. imbricata (A. Massalongo) Lettau |
| Authorship | (A. Massalongo) Lettau |
| Rank | Forma |
| Placed in | Parmelia stenophylla (Acharius) Heugel |
| GUID | urn:lsid:indexfungorum.org:names:434978 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Parmelia stenophylla f. imbricata (A. Massalongo) Lettau |
| Identification made in | [no date] (2) |