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CCDB → Angiosperms → Juglandaceae → Juglans → Juglans nigra L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Juglans nigra L. | Juglans nigra L. | 32 | Poland Database | Pogan E., Jankun A., Tura?a-Szybowska K. et al. 1987. Further studies in chromosome numbers of Polish Angiosperms. Part XX. Acta Biol. Cracov. Ser. Bot. 29,1-17. | |||
| Juglans nigra L. | Juglans nigra L. | 32 | IPCN online | Komanich, I. G. 1982. Kariologicheskoe issledovanie vidov roda Juglans L. Izv. Glavn. Bot. Sada. 125: 73–79. | |||
| Juglans nigra L. | Juglans nigra L. | 32 | IPCN online | Pogan, E., A. Jankun & K. TurasLa-Szybowska. 1987. Further studies in chromosome numbers of Polish angiosperms. Part XX. Acta Biol. Cracov., Ser. Bot. 29: 1–17. | |||
| Juglans nigra L. | Juglans nigra L. | 32 | IPCN online | Komanich, I. G. 1989. Pp. 1--152 in Otdalennaia Gibridizatsiia Vidov Orekha (Juglans L.). | |||
| Juglans nigra L. | Juglans nigra L. | 32 | IPCN online | Mu, Y. l., R. t. Xi & Z. r. Lü. 1990. Microsporogenesis observation and karyotype analysis of some species in genus Juglans. J. Wuhan Bot. Res. 8: 301–310. | |||
| Juglans nigra L. | Juglans nigra L. | 32 | IPCN online | Harriman, N. A. 1978. In IOPB chromosome number reports LX. Taxon 27: 223–231. | |||
| ! | Juglans nigra L. | Juglans nigra L. | 16 | IPCN66 | La Porte 1966 | ||
| ! | Juglans nigra L. | Juglans nigra L. | 32 | eFlora | |||
| Juglans nigra L. | Juglans nigra L. | 32 | Fedorov, 1974 | Woodworth 1930c |