Salvinia Natans (Floating Fern)

The Salvinia is an aquatic plant native to South America. It is a small floating plant that grows in clusters and develops into dense, floating mats or colonies in quiet water, undisturbed by wave action.
 
The floating individual leaves of Salvinia are roughly (1 cm to 2 cm) with a distinct midrib along which the leaf may fold forming a cup-shaped appearance. Salvinias have little  stiff hairs on the upper surface of its leaves. 
Its roots grows to about 1 inch in depth. 
 
Each portion contains 15 live Salvinia.