Water fern S alvinia plants are floating ferns. There are 10 species of Salvinia in the world. It occurs in still waters having high organic content. W ater fern has joined oval leaves . Its leaf surfaces are covered with stiff hairs.
Water fern has root-like structures which are actually modified fronds.
It grows into small colonies from underground runners. The erect plant typically grows to one to two feet tall, in ditches, swamps, marshes, and other wetlands. L izard's-tail has a bottlebrush spike of white flowers . It is typically six to eight inches long but can be longer. The flower spike arches above the leaves of the plant.