Polygonaceae

Knotweeds: The Genus Aconogonon -

American Bistort, Western Bistort: Bistorta bistortoides (Polygonum bistortoides) -

Pink Spineflower: Chorizanthe membranacea (formerly Eriogonella membranacea) -

Buckwheats: The Genus Eriogonum -

Garden Buckwheat: Fagopyrum esculentum - ?

Knotweeds: The Genus Fallopia -

Alpine Mountain-sorrel: Oxyria digyna -

Knotweeds and Smartweeds: The Genus Persicaria -

Knotweeds: The Genus Polygonum -

Sorrel: The Genus Rumex -