| Name | Dioscorea japonica Thunberg |
| Authorship | Thunberg |
| Rank | Species |
| Placed in | Dioscorea Linnaeus |
| Citation | 1784 Syst. Veg., ed. 14 [J. A. Murray] 889 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Dioscorea japonica Thunberg |
| Identification made in | [no date] (5) |
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