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CCDB → Angiosperms → Polygonaceae → Oxyria
| Taxon name | Status | Median (n) |
| Oxyria digyna (L.) Hill | Accepted | 7 |
| Oxyria sinensis Hemsl. | Accepted | 20 |
| Oxyria elatior R. Br. ex Meissn. | Synonym of Oxyria digyna (L.) Hill | 7 |