| Name | Ulmus laciniata var. nikkoensis Rehder |
| Authorship | Rehder |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Ulmus laciniata Mayr |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ulmus laciniata var. nikkoensis Rehder |
| Identification made in | [no date] (2) |