| Name | Hydrangea hydrangeoides (Siebold & Zucc.) Bernd Schulz |
| Authorship | |
| Rank | Species |
| Placed in | Hydrangea |
| Remarks | [imported from GBIF] |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Hydrangea hydrangeoides (Siebold & Zucc.) Bernd Schulz |
| Identification made in | 2025 (1), 2026 (4) |