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CCDB → Angiosperms → Nymphaeaceae → Nuphar → Nuphar japonica DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Nuphar japonica DC. | Nuphar japonica DC. | 34 | IPCN online | Nakata, M. & S. Nagai. 1998. Chromosome numbers of some aquatic plants collected in Toyama Prefecture. Bull. Bot. Gard. Toyama 37: 1–6. | |||
| Nuphar japonica DC. | Nuphar japonica DC. | 34 | IPCN online | Probatova. 2006. Chromosome numbers of vascular plants from nature reserves of the Primorsky Territory and the Amur River basin. Bot. Žhurn. (Moscow & Leningrad) 91(7): 1117–1134. | |||
| ! | Nuphar japonica | Nuphar japonica DC. | 34 | Fedorov, 1974 | Langlet, Soderberg 1927 me | ||
| ! | Nuphar japonica | Nuphar japonica DC. | 34 | Fedorov, 1974 | Nagashima 1962 | ||
| ! | Nuphar japonica | Nuphar japonica DC. | 34 | Fedorov, 1974 | I. 1962) | ||
| ! | Nuphar japonica | Nuphar japonica DC. | 34 | Fedorov, 1974 | CoKOJIOBCKall, MeJIHKHH 1964 | ||
| ! | Nuphar japonica | Nuphar japonica DC. | 36 | Fedorov, 1974 | Ohga et al. 1962 | ||
| ! | Nuphar japonica DC. | Nuphar japonica DC. | 34 | Darlington, 1955 | Langlet & S. 1927 | ||
| ! | Nuphar japonica None | Nuphar japonica DC. | 34 | Cave1962 | Nagashima 1962 |