Elodea canadensis Michx.  
Family: Hydrocharitaceae
Canadian waterweed, common waterweed
[Anacharis canadensis (Michx.) Planch., Anacharis canadensis var. planchonii (Michx.) Planch., Elodea brandegeae H.St.John, Elodea ioensis Wylie, Elodea linearis (Rydb.) H.St.John, Elodea planchonii Casp., Philotria canadensis (Michx.) Britton, Philotria linearis Rydb.]
Elodea canadensis image
Robert R. Kowal  
Etymology: Elodea: Greek elodes for "marsh"
Plants: drooping/tangling, perennial, submersed aquatic, flowers floating; branched stems to 40"; roots shallow
Leaves: linear to lance-like, bright green, stalkless, firm and flat; denser toward the top of the stem; 2-3 per whorl
Flowers: white, 3-to 6-parted (clawed) female flowers small, waxy; rare male flowers in long, thin spathe, stay on the stalk when mature; male and female flowers on separate plants
Habitat: quiet water; in fine sediment soil
Conservation Status: Native
Elodea canadensis image
Paul Skawinski  
Elodea canadensis image
Dennis W. Woodland  
Elodea canadensis image
Robert W. Freckmann  
Elodea canadensis image
Paul Skawinski  
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