| Name | Magnolia kobus var. borealis Sargent |
| Authorship | Sargent |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Magnolia kobus de Candolle |
| Citation | 1908 Trees & Shrubs [Sargent] 2(2): 57 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Magnolia kobus var. borealis Sargent |
| Identification made in | [no date] (6), 2009 (7) |