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CCDB → Angiosperms → Hydrocharitaceae → Najas → Najas japonica Nakai
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Najas japonica Nakai | Najas gracillima (A. Braun) Magnus | 12 | IPCN online | Wang, N. Z. 1985. A preliminary investigation and cytotaxonomic study on Najadaceae in China. J. Wuhan Bot. Res. 3(1): 29–44. |