| Zaadplanten | Kern angiospermen |
| Claden_1 | eudicots |
| Claden_2 | core eudicots |
| Claden_3 | superasterids |
| Domein | Eukaryota Whittaker & Margulis |
| Supergroep | Archaeplastida (Plantae) Adl et al. |
| Rijk | Viridiplantae Cavalier-Smith |
| Subrijk | Streptobionta Kenrick & Crane |
| Superstam | Embryophyta Engler |
| Stam | Magnoliophyta Cronquist, Takht. & W. Zimm. ex Reveal |
| Orde | Caryophyllales Juss. ex Bercht. & J.Presl |
| Familie | Polygonaceae Juss. |
| Subfamilie | Polygonoideae Eaton |
| Tak | Rumiceae Eaton |
| Geslacht | Oxyria Hill. |
| Soort | digyna (L.) Hill. |
| Synoniem | Oxyria reniformis Hook.; Rheum digynum Wahlenb. |
Oxyria digyna (L.) Hill.
