| Name | Parmotrema submarginale (Michaux) P. DePriest & B. W. Hale |
| Authorship | (Michaux) P. DePriest & B. W. Hale |
| Rank | Species |
| Placed in | Parmotrema A. Massalongo |
| Citation | 1998 Mycotaxon 67: 208 |
| Holdings | 19 Specimens held in the Harvard University Herbaria identified as Parmotrema submarginale (Michaux) P. DePriest & B. W. Hale |
| Identification made in | [no date] (18), 2018 (1) |