| Name | Smilax riparia var. ussuriensis (Regel) H. Hara & T. M. Koyama |
| Authorship | (Regel) H. Hara & T. M. Koyama |
| Rank | Variety |
| Placed in | Smilax riparia A. DC |
| Citation | 1960 Quart. J. Taiwan Mus. 13: 41 |
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Smilax riparia var. ussuriensis (Regel) H. Hara & T. M. Koyama |
| Identification made in | [no date] (21) |