Mayaca Fluviatilis is a unique silvery green aquatic plant that has very fine needle-like leaves. Great plant for a highly manicured landscape or for a natural landscape. This plant is found on the North, Central and South American continents. A rare plant in the aquarium trade. It is often referred to as an indicator plant for iron. If this plant has enough iron to be happy then there is enough in the aquarium for all the plants.

http://zencart.everythingaquatic.net...viatilis-p-129