| Name | Parmelia squarrosa Hale |
| Authorship | Hale |
| Rank | Species |
| Placed in | Parmelia Acharius |
| GUID | urn:lsid:indexfungorum.org:names:342918 |
| Citation | 1971 Phytologia 22(1): 29 |
| Holdings | 46 Specimens held in the Harvard University Herbaria identified as Parmelia squarrosa Hale |
| Identification made in | [no date] (42), 1993 (1), 2018 (2), 2025 (1) |
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