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CCDB → Gymnosperms → Pinaceae → Larix → Larix × czekanowskii
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Larix × czekanowskii | Larix × czekanowskii Szaf. | 24 | IPCN75-78 | Belaeva & Siplivinsky 1975 | ||
| ! | Larix × czekanowskii Szafran | Larix × czekanowskii Szaf. | 24 | IPCN online | Pimenov. 2003. Chromosome numbers of some Cupressaceae and Pinaceae species. Bot. Žhurn. (Moscow & Leningrad) 88(10): 136–137. |