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Noun: floating fern
  1. Pantropical aquatic fern
    - Ceratopteris thalictroides
  2. Aquatic fern of tropical America often used in aquariums
    - water sprite, Ceratopteris pteridioides
  3. Small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe
    - mosquito fern, Carolina pond fern, Azolla caroliniana

Derived forms: floating ferns

Type of: aquatic fern, water fern

Part of: Azolla, Ceratopteris, genus Azolla, genus Ceratopteris

Encyclopedia: Floating fern