| Name | Hydrangea seemannii L. Riley |
| Authorship | L. Riley |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hydrangea |
| GUID | urn:lsid:ipni.org:names:125076-2 |
| Citation | 1924 Bull. Misc. Inform. Kew 207 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hydrangea seemannii L. Riley |
| Identification made in | 1954 (1), 2025 (1) |