#mosquito_fern__floating_fern__Carolina_pond_fern__Azolla_caroliniana  small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe
  supertype:  aquatic_fern__aquaticfern__water_fern__waterfern  ferns that grow in water
  member of:  genus_Azolla__Azolla  a genus of fern sometimes placed in its own family Azollaceae
     member of:  family_Salviniaceae__Salviniaceae  water ferns
        member of:  class_Filicopsida__Filicopsida__Filicinae__class_Filicinae  ferns
           member of:  division_Pteridophyta__Pteridophyta  containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
              member of:  kingdom_Plantae__Plantae__plant_kingdom__plantkingdom  taxonomic kingdom comprising all living or extinct plants

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