The summary field Combinable is all grains including dry beans, corn, rice, sorghum, barley, millet, wheat, rye, oats, flax, soybean, and dry beans.
When someone says small grains, or doesn’t want the grain to include corn, sorghum, rice or soy, then use the summary field Cereal Grains (CRL Grains). This only includes barley, millet, wheat, rye, oats, small grain other.