| Name | Vallisneria spiralis var. denseserrulata Makino |
| Authorship | Makino |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Vallisneria spiralis Linnaeus |
| Citation | Bot. Mag. (Tokyo) 28(325): 27. 1914 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Vallisneria spiralis var. denseserrulata Makino |
| Identification made in | [no date] (2), 1982 (2) |