| Name | Polygonum patulum M. Bieberstein |
| Authorship | M. Bieb. |
| Rank | Species |
| Placed in | Polygonum Linnaeus |
| GUID | urn:lsid:ipni.org:names:696222-1 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Polygonum patulum M. Bieberstein |
| Identification made in | [no date] (4), 1994 (1), 2003 (2) |
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