|
water sprite, floating fern, Ceratopteris pteridioides | aquatic fern of tropical America often used in aquariums ❲Ceratopteris pteridioides❳ | ||
|
floating fern, Ceratopteris thalictroides | pantropical aquatic fern ❲Ceratopteris thalictroides❳ | ||
|
mosquito fern, floating fern, Carolina pond fern, Azolla caroliniana | small free-floating aquatic fern from the eastern United States to tropical America; small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe ❲Azolla caroliniana❳ |