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CCDB → Angiosperms → Betulaceae → Betula → Betula fruticosa Pall.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Betula extremiorientalis Kuzen. & V. N. Vassil. | Betula fruticosa Pall. | 28 | IPCN online | ZHUKOVA, P. G. 1980. Chromosome numbers of some Southern Chukotka plant species. Bot. Zhurn. 65 (1): 51–59. | ||
| ! | Betula extremiorientalis Kuzen. & V. N. Vassil. | Betula fruticosa Pall. | 28 | IPCN online | ZHUKOVA, P. G. & V. V. Petrovsky. 1980. Chromosome numbers and taxonomy of some species of the Anyui Mts. Bot. Zhurn. 65 (5): 651–659. | ||
| ! | Betula extremiorientalis Kuzen. & V. N. Vassil. | Betula fruticosa Pall. | 28 | IPCN online | ZHUKOVA, P. G. & V. V. Petrovsky. 1975. Chromosome numbers of some Western Chukolka plant species. Bot. Žhurn. (Moscow & Leningrad) 60(3): 395–401. | ||
| Betula fruticosa Pall. | Betula fruticosa Pall. | 28 | IPCN online | Probatova, N. S. & A. P. Sokolovskaya. 1995. Chromosome numbers in some species of vascular plants from the Russian Far East. Bot. Žhurn. (Moscow & Leningrad) 80(3): 85–88. | |||
| Betula fruticosa Pall. | Betula fruticosa Pall. | 38 | IPCN online | Skvortsov, A. K. & N. M. Solovjeva. 2000. New data on the karyology of Betula in Russia and adjacent countries. Bjulleten' Glavnogo Botanic|5eskogo Sada 180: 32–38. | |||
| ! | Betula fruticosa Pall. | Betula fruticosa Pall. | 56 | Darlington, 1955 | Poucques 1949c |