The buckwheat family (Polygonaceae) is well-represented.    From Wordnik.com.  [Adaptations of desert plants] Reference

The tall, bright-yellow flower stalk of the noble rhubarb, Rheum nobile (Polygonaceae), stands above all the low herbs and shrubs like a beacon, visible from across the valleys of the high Himalayan slopes.    From Wordnik.com.  [Eastern Himalayan alpine shrub and meadows] Reference

Although buckwheat is not a grass, but a member of family Polygonaceae, it counts as a cereal grain in Germany.    From Wordnik.com.  [Küchenlatein (Mein Küchentagebuch)] Reference

(including important genera) are Polygonaceae (Rheum, Rumex and.    From Wordnik.com.  [Chapter 7] Reference

Polygonaceae.    From Wordnik.com.  [Chapter 7] Reference

Plant Family/Families: Polygonaceae.    From Wordnik.com.  [Museum Blogs] Reference

Polygonaceae).    From Wordnik.com.  [BioMed Central - Latest articles] Reference