| Name | Hydrangea alternifolia Siebold |
| Authorship | Siebold |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hydrangea |
| GUID | urn:lsid:ipni.org:names:791535-1 |
| Citation | 1828 Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 14: 692 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Hydrangea alternifolia Siebold |
| Identification made in | [no date] (1), 2025 (2) |