This is a floating plant similar to duckweed, apart from the design of the leaf, which is heart-shaped. The top surface of the leaf is

This is possibly the most valuable of floating plants. It is equally useful for holding the spawn of surface egg layers and sufficiently penetrable to

Pistia stratiotes is typically a tropical plant and likes a great deal of moist heat. Aquariums having a raised top cover and lights built in

Duckweed is a normal sight round the edges in our ponds and lakes, forming a green mantle which, from a distance, is very easily mistaken

Eichhornia crassipes is an incredibly attractive plant, but should be reserved only for large aquariums. In its natural environment in the Gulf States it grows

Ceratopteris pteroides is popularly known as floating fern, and comes from South America. It is one of the largest floating plants. The thick mat provided