floating fern

英 [ˈfləʊtɪŋ fɜːn] 美 [ˈfloʊtɪŋ fɜːrn]

网络  满江红; 水蕨

英英释义

noun

  1. small free-floating aquatic fern from the eastern United States to tropical America

      Synonym:    mosquito fernCarolina pond fernAzolla caroliniana

    1. aquatic fern of tropical America often used in aquariums

        Synonym:    water spriteCeratopteris pteridioides

      1. pantropical aquatic fern

          Synonym:    Ceratopteris thalictroides

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