floating fern
1. small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe • Syn: mosquito fern, Carolina pond fern, Azolla caroliniana • Hypernyms: aquatic fern, water fern • Member Holonyms: Azolla, genus Azolla 2. aquatic fern of tropical America often used in aquariums • Syn: water sprite, Ceratopteris pteridioides • Hypernyms: aquatic fern, water fern • Member Holonyms: Ceratopteris, genus Ceratopteris 3. pantropical aquatic fern • Syn: Ceratopteris thalictroides • Hypernyms: aquatic fern, water fern • Member Holonyms: Ceratopteris, genus Ceratopteris
|
|