Salvinia natans

Floating fern
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Salviniales
Family: Salviniaceae
Genus: Salvinia
Species:
S. natans
Binomial name
Salvinia natans
Synonyms

Marsilea natans L. (basionym)

Salvinia natans (commonly known as floating fern, floating watermoss, floating moss, or commercially, water butterfly wings) is an annual floating aquatic fern, which can appear superficially similar to moss. It is found throughout the world where there is plentiful standing fresh water, sunlight, and humid air, but is especially common in Africa, Asia and central Europe. In New York State and Massachusetts, it is an introduced species.