Azolla pinnata
Plant
Azolla pinnata is a species of fern known by several common names, including mosquitofern, feathered mosquitofern and water velvet. It is native to much of Africa, Asia and parts of Australia. It is an aquatic plant, it is found floating upon the... Wikipedia
Scientific name: Azolla pinnata
Family: Salviniaceae
Class: Polypodiopsida
Genus: Azolla
Order: Salviniales
Kingdom: Plantae
Division: Polypodiophyta