#barley  cultivated since prehistoric times; grown for forage and grain
  supertype:  #cereal_grass__cereal  grass whose starchy grains are used as food: wheat; rice; rye; oats; maize; buckwheat; millet
  member of:  #genus_Hordeum
  subtype:  #common_barley__Hordeum_vulgare  grass yielding grain used for for breakfast food, animal feed and in malt beverages
  subtype:  #barley_grass__wall_barley__Hordeum_murinum  European annual grass often found as a weed in waste ground especially along roadsides and hedgerows
  subtype:  #squirreltail_barley__foxtail_barley__foxtailbarley__squirreltail_grass__Hordeum_jubatum  barley grown for its highly ornamental flower heads with delicate long silky awns; North America and northeastern Asia
  subtype:  #little_barley__Hordeum_pusillum  annual barley native to western North America and widespread in southern United States and tropical America

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