| Name | Polygonum opelousanum Riddell |
| Authorship | Riddell |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum Linnaeus |
| Contains | Polygonum opelousanum var. adenocalyx Stanford |
| GUID | urn:lsid:ipni.org:names:206322-2 |
| Citation | 1853 New Orleans Med. Surg. J. 8: 760 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Polygonum opelousanum Riddell |
| Identification made in | [no date] (2), 1981 (5), 2019 (1) |
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