| Name | Parmotrema grayanum (Hue) Hale | 
| Authorship | (Hue) Hale | 
| Rank | Species | 
| Placed in | Parmotrema A. Massalongo | 
| GUID | urn:lsid:indexfungorum.org:names:343059 | 
| Citation | 1974 Phytologia 28: 336 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Parmotrema grayanum (Hue) Hale | 
| Identification made in | [no date] (1) |