03 grasses (ccpr) 020 cereal grains (gc) (ccpr) Cereal grains are derived from the ears (heads) of starchy seeds produced by a variety of plants, primarily of the grass family (Grainineae) Buckwheat, a dicotyledonous crop belonging to the botanical family Polygonaceae and two Chenopodium species, belonging to the botanical family Chenopodiaceae are included in this group, because of similarities in size and type of the seed, residue pattern and the use of the commodity. The edible seeds are protected to varying degrees from pesticides applied during flee growing season by husks. Husks are removed before processing and/or consumption. Cereal grains are often exposed to post-harvest treatments with pesticides. requires discussion