| Name | Parmotrema arnoldii (Du Rietz) Hale |
| Authorship | (Du Rietz) Hale |
| Rank | Species |
| Placed in | Parmotrema A. Massalongo |
| GUID | urn:lsid:indexfungorum.org:names:343013 |
| Citation | 1974 Phytologia 28: 335 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Parmotrema arnoldii (Du Rietz) Hale |
| Identification made in | [no date] (2), 2019 (2) |