Biota | Plantae | Viridiplantae | Streptophyta | Tracheophyta | Spermatophytina | Magnoliopsida | Caryophyllanae | Caryophyllales | Polygonaceae | Persicaria
| Haeckel, 1866 | Cavalier-Smith, 1981 | John, Williamson & Guiry, 2011 | Sinnott ex Cavalier-Smith, 1998 |  |  | Takht., 1967 | Takht., 1967 |  |