Noun: mosquito fern
- Small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe
"Mosquito fern formed a purple carpet on the pond's surface";
- floating fern, Carolina pond fern, Azolla caroliniana
Derived forms: mosquito ferns
Type of: aquatic fern, water fern
Part of: Azolla, genus Azolla
Encyclopedia: Mosquito fern