(Sagittaria platyphylla)
Sagittaria platyphylla, the�delta arrowhead,�broad-leaf arrowhead�or�delta duck-potato, is a plant species native to the eastern�United States. The core of its range extends from central�Texas�to the�Florida Panhandle�north to southern�Illinois. Isolated populations have been reported from�Washington State,�Missouri,�Kansas,�Ohio,�Kentucky,�Pennsylvania,�West Virginia, eastern�Virginia,�North�and�South Carolinaand eastern�Georgia,�Nuevo Le�n,�Michoac�n�and�Panam�. It has also become a noxious weed in�Australia.�The plant is an�emergentaquatic�found in ponds, lakes and slow-moving streams