Polygonaceae
| Authority | : | Jussieu, 1789 |
| Nederlands | : | Duizendknoopfamilie |
| English | : | knotweed family, buckwheat family |
| Deutsch | : | Knöterichgewächse |
Atraphaxis
| Authority | : | Linnaeus, 1753 |
Bistorta
| Authority | : | (L.) Scopoli, 1754 |
Eriogonum
| Authority | : | Michaux, 1803 |
Eriogonum
| Authority | : | Michaux, 1803 |
Fagopyrum
| Authority | : | Miller, 1754 |
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Fallopia
| Authority | : | Adanson, 1763 |
Koenigia
| Authority | : | Linnaeus, 1767 |
Persicaria
| Authority | : | Persicaria (L.) Mill. 1754 |
| Nederlands | : | Duizendknoop |
