FLOATING PONDWEED 

 (Potamogeton natans) 



Alaska to 

 Newfoundland, Cal- 

 ifornia, Indiana 

 and Maryland, 



Underwater 

 leaves are nothing 

 but stalks. 



Resembles 

 Oakes Pondweed but 

 Floating Pondweed 's 

 bigger leaves 

 usually have a 

 notched base and 

 its seeds are more 

 than 1/8 inch long 

 and have a loose, 

 shiny skin. 



OAKES PONDWEED 

 (Potamogeton oakesianus) 



North side of Lake Superior 

 to Newfoundland, Wisconsin and New 

 Jersey. 



Underwater leaves are nothing 

 but stalks. 



Resembles Floating Pondweed 

 but Oakes Pondweed 's smaller leaves 

 have a rounded or tapering base and 

 its seeds are about 1/8 inch long 

 and have a tight, dull skin. 



