Polygonaceae
| Authority | : | Jussieu, 1789 |
| Nederlands | : | Duizendknoopfamilie |
| English | : | knotweed family, buckwheat family |
| Deutsch | : | Knöterichgewächse |
| Persicaria mitis |
| Authority | : | (Schrank) Assenov, 1966 |
| Synonyms | : | Polygonum mite Schrank, 1789 |
| Nederlands | : | zachte duizendknoop |
| English | : | tasteless water pepper |
| Deutsch | : | milder Knöterich, schlaffer Knöterich |
| Français | : | renouée douce |
| Italiano | : | poligono bianco, poligono mite |
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| Amsterdam, the Netherlands; 12 September 2021. | ||