| Name | Rhododendron dilitatum var. boreale Sugimoto |
| Authorship | Sugimoto |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Rhododendron dilitatum Miquel |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhododendron dilitatum var. boreale Sugimoto |
| Identification made in | [no date] (1) |