Noun genus hydrilla has 1 sense
  1. genus Hydrilla - 1 species
    --1 is a kind of
    monocot genus, liliopsid genus
    --1 is a member of
     Hydrocharitaceae, family Hydrocharitaceae, Hydrocharidaceae, family Hydrocharidaceae, frogbit family, frog's-bit family
    --1 has members: hydrilla, Hydrilla verticillata
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