#genus_Naias__Naias__Najas__genus_Najas  sole genus of the family Naiadaceae
  supertype:  monocot_genus__monocotgenu__liliopsid_genus  genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
  member of:  family_Naiadaceae
  member:  naiad.aquatic_plant__water_nymph__waternymph  submerged aquatic plant having narrow leaves and small flowers; of fresh or brackish water

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