| Name | Smilax japonica A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Smilax Linnaeus |
| Citation | 1856 Narr. Exped. China Japan [Perry] 320 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Smilax japonica A. Gray |
| Identification made in | [no date] (1) |