| Name | Magnolia sieboldii subsp. japonica K. Ueda |
| Authorship | K. Ueda |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Magnolia sieboldii K. Koch |
| GUID | urn:lsid:ipni.org:names:886607-1 |
| Citation | 1980 Acta Phytotax. Geobot. 31: 121 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Magnolia sieboldii subsp. japonica K. Ueda |
| Identification made in | [no date] (2), 2016 (1) |