#cereal_grass__cereal  grass whose starchy grains are used as food: wheat; rice; rye; oats; maize; buckwheat; millet
  supertype:  #grass__gras  narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay
  subtype:  #oat  annual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')
     subtype:  #cereal_oat__Avena_sativa  widely cultivated in temperate regions for its edible grains
     subtype:  #wild_oat_grass__wild_oat__Avena_fatua  common in meadows and pastures
     subtype:  #slender_wild_oat__Avena_barbata  oat of southern Europe and southwestern Asia
     subtype:  #wild_red_oat__animated_oat__Avene_sterilis  Mediterranean oat held to be progenitor of modern cultivated oat
  subtype:  #barley  cultivated since prehistoric times; grown for forage and grain
     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
  subtype:  #rice.cereal_grass  annual or perennial rhizomatous marsh grasses; seed used for food; straw used for paper
     subtype:  #cultivated_rice__Oryza_sativa  yields the staple food of 50 percent of world's population
  subtype:  #ricegrass__ricegras__ricegras  any grass of the genus Oryzopsis
     subtype:  #mountain_rice__silkgrass__silkgras__silkgras__indianmillet__Oryzopsis_hymenoides  valuable forage grass of dry upland areas and plains of western North America to northern Mexico
     subtype:  #smilo_grass__smilogras__smilo__Oryzopsis_miliacea  perennial mountain rice native to Mediterranean region and introduced into North America
  subtype:  #pearl_millet__pearlmillet__bulrush_millet__bulrushmillet__cattail_millet__cattailmillet__Pennisetum_glaucum__Pennisetum_Americanum  tall grass having cattail like spikes; grown in Africa and Asia for its grain and in the United States chiefly for forage; sometimes used in making beer
  subtype:  #Secale_cereale__rye  hardy annual cereal grass widely cultivated in northern Europe where its grain is the chief ingredient of black bread and in North America for forage and soil improvement
  subtype:  #millet  any of various small-grained annual cereal and forage grasses of the genera Panicum, Echinochloa, Setaria, Sorghum, and Eleusine
     subtype:  #barnyard_grass__barn_grass__barn_millet__Echinochloa_crusgalli  a coarse annual panic grass; a cosmopolitan weed; occasionally used for hay or grazing
     subtype:  #Japanese_millet__billion-dollar_grass__Japanese_barnyard_millet__sanwa_millet__sanwamillet__Echinochloa_frumentacea  coarse annual grass cultivated in Japan and southeastern Asia for its edible seeds and for forage; important wildlife food in United States
     subtype:  #yardgrass__yardgras__yardgras__wiregras__goosegras__Eleusine_indica  coarse annual grass having fingerlike spikes of flowers; native to Old World tropics; a naturalized weed elsewhere
     subtype:  #finger_millet__ragi__ragee__African_millet__coracan__corakan__kurakkan__Eleusine_coracana  East Indian cereal grass whose seed yield a somewhat bitter flour, a staple in the Orient
     subtype:  #panic_grass__panicgras  any grass of the genus Panicum; grown for grain and fodder
        subtype:  #old_witchgrass__witchgrass__witch_grass__old_witch_grass__oldwitchgras__tumblegras__panicumcapillare  North American grass with slender brushy panicles; often a weed on cultivated land
        subtype:  #switch_grass__Panicum_virgatum  grass of western America used for hay
        subtype:  #broomcorn_millet__broomcornmillet__millet__hog_millet__hogmillet__Panicum_miliaceum  extensively cultivated in Europe and Asia for its grain and in United States sometimes for forage
        subtype:  #Texas_millet__goose_grass__goosegras__Panicum_Texanum  annual weedy grass used for hay
     subtype:  #sorghum  economically important Old World tropical cereal grass
        subtype:  #great_millet__greatmillet__kaffir__kafir_corn__kafircorn__kaffir_corn__Sorghum_bicolor  important for human and animal food; growth habit and stem form similar to Indian corn but having sawtooth-edged leaves
        subtype:  #grain_sorghum__grainsorghum  any of several sorghums cultivated primarily for grain
           subtype:  #durra__doura__dourah__Egyptian_corn__Indian_millet__Guinea_corn  sorghums of dry regions of Asia and North Africa
           subtype:  #feterita__federita__Sorghum_vulgare_caudatum  a Sudanese sorghum having exceptionally large soft white grains
           subtype:  #hegari  Sudanese sorghums having white seeds; one variety grown in southwestern United States
           subtype:  #kaoliang  sorghums of China and Manchuria having small white or brown grains (used for food) and dry pithy stalks (used for fodder, fuel and thatching)
           subtype:  #milo_maize__milo  small drought-resistant sorghums having large yellow or whitish grains
           subtype:  #shallu__Sorghum_vulgare_rosburghii  sorghum having slender dry stalks and small hard grains; introduced into United States from India
        subtype:  #sorgo__sorgho__sweet_sorghum__sweetsorghum__sugar_sorghum__sugarsorghum  any of several sorghums cultivated as a source of syrup
        subtype:  #Johnson_grass__Aleppa_grass__means_grass__meansgras__evergreen_millet__evergreenmillet__Sorghum_halepense__Sorghum_halapense  tall perennial grass that spreads by creeping rhizomes and is grown for fodder; naturalized in southern United States where it is a serious pest on cultivated land
        subtype:  #broomcorn__Sorghum_vulgare_technicum  tall grasses grown for the elongated stiff-branched panicle used for brooms and brushes
  subtype:  #wheat__corn  annual or biennial grass having erect flower spikes and light brown grains
     subtype:  #Triticum_durum__durum__durum_wheat__durumwheat__hard_wheat__Triticum_turgidum__maccaroni_wheat__maccaroniwheat  wheat with hard dark-colored kernels high in gluten and used for bread and pasta; grown especially in southern Russia, North Africa, and northern central North America
     subtype:  #soft_wheat  wheat with soft starch kernels used in pastry and breakfast cereals
     subtype:  #common_wheat__Triticum_aestivum  widely cultivated in temperate regions in many varieties for its commercially important grain
     subtype:  #spelt__Triticum_spelta__Triticum_aestivum_spelta  hardy wheat grown mostly in Europe for livestock feed
     subtype:  #emmer__starchwheat__two-grain_spelt__twograinspelt__Triticum_dicoccum  hard red wheat grown especially in Russia and Germany; in United States as stock feed
     subtype:  #wild_wheat__wild_emmer__Triticum_dicoccum_dicoccoides  found wild in Palestine; held to be prototype of cultivated wheat
  subtype:  #Indian_corn__corn__maize__Zea_mays  tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times
     subtype:  #field_corn__fieldcorn  corn grown primarily for animal feed or market grain
        subtype:  #dent_corn__Zea_mays_indentata  corn whose kernels contain both hard and soft starch and become indented at maturity
        subtype:  #flint_corn__flintcorn__flint_maize__flintmaize__Yankee_corn__Zea_mays_indurata  corn having kernels with a hard outer layer enclosing the soft endosperm
        subtype:  #soft_corn__flour_corn__flourcorn__squaw_corn__squawcorn__Zea_mays_amylacea  corn having kernels almost entirely of soft starch
     subtype:  #sweet_corn_plant__sweet_corn__sweetcorn__sugar_corn__sugarcorn__green_corn__greencorn__Zea_mays_rugosa__Zea_saccharata  corn whose young ears are sweet and suitable for eating as a vegetable
     subtype:  #Zea_mays_everta__popcorn  corn having small ears and kernels that burst when exposed to dry heat
  subtype:  #wild_rice__Zizania_aquatica  perennial aquatic grass of North America bearing grain used for food

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