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CCDB → Angiosperms → Polygonaceae → Rheum → Rheum orientale Losinsk.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Rheum orientale Losinsk. | Rheum compactum L. | 22 | IPCN65 | Menshikova 1964 |