Polygonaceae
| Authority | : | Jussieu, 1789 |
| Nederlands | : | Duizendknoopfamilie |
| English | : | knotweed family, buckwheat family |
| Deutsch | : | Knöterichgewächse |
| Rumex vesicarius |
| Authority | : | Linnaeus, 1753 |
| English | : | bladder dock |
| Español | : | agreta, agria, colagria |
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| Yaco (Tenerife), Spain; 20 - 25 December 2015. | |