| Name | Parmotrema cetratum f. subisidiosa (Müller Arg.) J. C. Wei |
| Authorship | (Müller Arg.) J. C. Wei |
| Rank | Forma |
| Placed in | Parmotrema cetratum (Acharius) Hale |
| GUID | urn:lsid:indexfungorum.org:names:354876 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Parmotrema cetratum f. subisidiosa (Müller Arg.) J. C. Wei |
| Identification made in | [no date] (6) |