| Name | Rumex hydrolapathum Hudson |
| Authorship | Hudson |
| Rank | Species |
| Placed in | Rumex Linnaeus |
| Contains | Rumex hydrolapathum var. americanum A. Gray |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rumex hydrolapathum Hudson |
| Identification made in | [no date] (1) |