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CCDB → Angiosperms → Berberidaceae → Plagiorhegma → Plagiorhegma dubium Maxim.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Plagiorhegma dubium Maxim. | Plagiorhegma dubium Maxim. | 12 | IAPT/IOPB | IAPT/IOPB Chromosome Data 6 | ||
| Plagiorhegma dubium Maxim. | Plagiorhegma dubium Maxim. | 12 | IPCN online | Probatova. 2006. Chromosome numbers of plants of the Primorsky Territory, the Amur River basin and Magadan region. Bot. Žhurn. (Moscow & Leningrad) 91(3): 491–509. | |||
| ! | Jeffersonia dubia (Maxim.) Benth. & Hook. ex Baker & Moore | Plagiorhegma dubium Maxim. | 12 | IPCN66 | Sokolovskaya 1966 | ||
| ! | Jeffersonia dubia (Maxim.) Benth. & Hook. ex Baker & Moore | Plagiorhegma dubium Maxim. | 12 | IPCN73-74 | LEE, Y.N. 1972. Chromosome number of flowering plants in Korea (4). J. Korean Res. Inst. Better Living 8: 41-51. | ||
| ! | Jeffersonia dubia (Maxim.) Benth. & Hook. ex Baker & Moore | Plagiorhegma dubium Maxim. | 12 | Darlington, 1955 |