#reed_grass  any of various tall perennial grasses of the genus Calamagrostis having feathery plumes; natives of marshland fens and wet woodlands of temperate northern hemisphere
  supertype:  #grass__gras  narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay
  member of:  #genus_Calamagrostis
  subtype:  #feather_reed_grass__feathertop__Calamagrostis_acutiflora  a variety of reed grass
  subtype:  #Australian_reed_grass__Calamagrostic_quadriseta  tall Australian reedlike grass sometimes used for hay

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