| Name | Polygonella polygama (Ventenat) Engelmann & A. Gray |
| Authorship | (Ventenat) Engelmann & A. Gray |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Polygonella |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Polygonella polygama (Ventenat) Engelmann & A. Gray |
| Identification made in | [no date] (4), 1991 (2) |