 Grasses are also used in the manufacture of thatch, paper, fuel, clothing, insulation, timber for fencing, furniture, scaffolding and construction materials, floor matting, sports turf and baskets.Agricultural grasses grown for their edible seeds are called "cereals" or "grains" (although the latter term, agriculturally, refers to both cereals and legumes).Of all crops grown, 70% are grasses.