Long-leaf Pondweed

Scientific Name:   Potamogeton nodosus

Distinguishing Characteristics:
2 leaf forms; subsurface leaves strap-like with slightly wavy margins; surface leaves are more oval and rigid.
Surface leaves often overlapping and usually over 2 inches long.
Growth habit similar to P. diversifolius; green seed head up to 2 inches.
Potamogeton nodosus taken by Graves Lovell 

Potamogeton nodosus taken by Graves Lovell

Potamogeton nodosus taken by Graves Lovell

Potamogeton nodosus taken by Graves Lovell

Potamogeton nodosus taken by Graves Lovell