It is used as a green manure in rice cultivation to enhance soil fertility. Ornamental - Cultivated in aquariums and water gardens as ornament. Fodder - Used as a high-protein feed for livestock.
Bangladesh, China, India, Myanmar, Nepal, Pakistan
It thrives in nutrient-rich, still or slow-moving water bodies, such as ponds, lakes, and rice paddies.

It is a small free-floating aquatic fern.
It forms dense mats on the surface water bodies. The plant is characterized by its small, feathery leaves, typically 1-2 cm in diameter.
It formed a symbiotic relationship with a nitrogen-fixing cyanobacterium, which gives it a distinctive green or reddish hue.