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