Polygonaceae
| Authority | : | Jussieu, 1789 |
| Nederlands | : | Duizendknoopfamilie |
| English | : | knotweed family, buckwheat family |
| Deutsch | : | Knöterichgewächse |
| Rumex acetosa |
| Authority | : | Linnaeus, 1753 |
| Nederlands | : | veldzuring |
| English | : | common sorrel, meadow sorrel, sour dock |
| Deutsch | : | großer Ampfer, großer Sauerampfer, Wiesensauerampfer, wilder Sauerampfer |
| Norsk | : | engsyre |
| Svenska | : | Ängssyra |
| Français | : | rumex oseille |
| Italiano | : | acetosa maggiore, erba brusca, romice acetosa, saleggiola |
| Español | : | acedera, acedera común, acederilla, acedilla, agrilla, alacamines, cuchillos, vinagrera, vinagrera silvestre, vinagretas |
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| Amstelveen, the Netherlands; 16 May 2017. | ||