#genus_Vallisneria__Vallisneria  eelgrass; eel grass
  supertype:  #monocot_genus__monocotgenu__liliopsid_genus  genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
  member of:  #family_Hydrocharitaceae
  member:  #tape_grass__eelgrass__wild_celery__Vallisneria_spiralis  submerged aquatic plant with ribbonlike leaves; Old World and Australia

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