#genus_Glyceria__Glyceria  manna grass
  supertype:  #monocot_genus__monocotgenu__liliopsid_genus  genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
  member of:  #family_Gramineae
  member:  #manna_grass__mannagras__sweet_grass__sweetgras  any of several moisture-loving grasses of the genus Glyceria having sweet flavor or odor

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