| Name | Rumex japonicus Houttuyn |
| Authorship | Houttuyn |
| Rank | Species |
| Placed in | Rumex Linnaeus |
| Citation | 1777 Nat. Hist. [Houttuyn] 2, 8: 394 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rumex japonicus Houttuyn |
| Identification made in | [no date] (2) |
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