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CCDB → Angiosperms → Ulmaceae → Ulmus → Ulmus laevis Pall.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Ulmus laevis Pall. | Ulmus laevis Pall. | 28 | Flora Europaea | LOve & LbVe, 1942 | ||
| ! | Ulmus laevis Pall. | Ulmus laevis Pall. | 28 | Poland Database | Pogan E., Czapik R., Jankun A., Kuta E. et al. 1982 a. Further studies in chromosome numbers of Polish Angiosperms. Part XV. Acta Biol. Cracov. Ser. Bot. 24, 91-126. | ||
| Ulmus laevis Pall. | Ulmus laevis Pall. | 28 | IPCN online | Pogan, E., R. CZAPIK, A. Jankun & E. Kuta. 1982. Further studies in chromosome numbers of Polish angiosperms. Part XV. Acta Biol. Cracov., Ser. Bot. 24: 113–126. | |||
| Ulmus laevis Pall. | Ulmus laevis Pall. | 28 | IPCN online | Jav|0urková-Jarolímová, V. 1992. In J. M|3esí|3ccek & V. Jav@0urková-Jarolímová, List of Chromosome Numbers of the Czech Vascular Plants. Academia, Praha. | |||
| Ulmus laevis Pall. | Ulmus laevis Pall. | 28 | IPCN online | Mukherjee, A. & G. H. Ware. 1979. In IOPB chromosome number reports LXIII. Taxon 28: 270. | |||
| ! | Ulmus effusa Willd. | Ulmus laevis Pall. | 28 | Fedorov, 1974 | Tischler 1934 | ||
| ! | Ulmus laevis Pall. | Ulmus laevis Pall. | 28 | Darlington, 1955 |