| Name | Trapa bicornis var. bispinosa (Roxburgh) Nakano |
| Authorship | (Roxburgh) Nakano |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Trapa bicornis Osbeck |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Trapa bicornis var. bispinosa (Roxburgh) Nakano |
| Identification made in | [no date] (1) |