Buckwheat belongs to the Polygonaceae family, which includes some edible wild plants such as Japanese knotweed and sheep's sorrel. Fortunately, buckwheat is a lot easier to come by, having been a ...

LAS VEGAS— Conservationists discovered over the weekend that someone had dug up and destroyed more than 17,000 Tiehm’s buckwheat plants, a rare Nevada wildflower ... the protection of endangered ...