| Name | Parietaria pensylvanica Muhlenberg ex Willdenow |
| Authorship | Muhlenberg ex Willdenow |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Parietaria Linnaeus |
| GUID | urn:lsid:ipni.org:names:183216-2 |
| Holdings | 342 Specimens held in the Harvard University Herbaria identified as Parietaria pensylvanica Muhlenberg ex Willdenow |
| Identification made in | [no date] (256), 1967 (79), 1983 (3), 1984 (2), 1991 (2) |
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