Polygonaceae
| Authority | : | Jussieu, 1789 |
| Nederlands | : | Duizendknoopfamilie |
| English | : | knotweed family, buckwheat family |
| Deutsch | : | Knöterichgewächse |
Eriogonum
| Authority | : | Michaux, 1803 |
alatum
| Authority | : | Torrey, 1853 |
| English | : | winged buckwheat |
corymbosum
| Authority | : | Bentham, 1856 |
| English | : | crisp-leaf wild buckwheat |
deflexum
| Authority | : | Torrey, 1861 |
| English | : | flat-crown buckwheat, flat-top buckwheat, skeletonweed |
inflatum
| Authority | : | Torrey, 1845 |
| English | : | desert trumpet, bladderstem, Indian pipe-weed |
racemosum
| Authority | : | Nuttall, 1847 |
| English | : | redroot buckwheat, red-root wild buckwheat |
umbellatum
| Authority | : | Torrey, 1827 |
| English | : | sulphur buckwheat, sulphur flower, |