Grass is a type of plant with narrow leaves that belongs to the grass family (Poaceae), the sedge family (Cyperaceae), and the rush family (Juncaceae)
. It is one of the most widespread and largest families of plants on Earth, with over 9,000 known species
. Grasses are important as a food source for humans and animals, and they also have various other uses, such as in construction, erosion control, and the production of sugar, liquor, bread, and plastics
. Additionally, grasses are flowering plants capable of producing uniform perennial ground cover, making them unique in their ability to play this role
