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CCDB → Angiosperms → Ulmaceae → Ulmus → Ulmus effusa Willd.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Ulmus effusa Willd. | Ulmus laevis Pall. | 28 | Fedorov, 1974 | Tischler 1934 |