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CCDB → Angiosperms → Hypericaceae → Hypericum → Hypericum nagasawae Hay.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Hypericum nagasawae Hay. | Hypericum nagasawae Hayata | 18 | IPCN67-71 | HSU, C.-C. 1968. Preliminary chromosome studies on the vascular plants of Taiwan (II). Taiwania No. 14: 11-27. |