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CCDB → Angiosperms → Hydrangeaceae → Hydrangea → Hydrangea sikokiana Maxim.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Hydrangea sikokiana Maxim. | Hydrangea sikokiana Maxim. | 36 | IPCN online | Funamoto, T. & R. Tanaka. 1988. Karyomorphological studies in some taxa of Hydrangea from Japan. Kromosomo 49: 1583–1594. |