Rooted weed with mostly underwater, dark-green, feathery leaves grouped in fours around a hollow pinkish stem.

English Name: Northern Watermilfoil

Northern Watermilfoil Latin Name: Myriophyllum sibiricum

Myriophyllum sibiricum Propogate: Vegetative fragmentation

Vegetative fragmentation Symptoms: Underwater weed with dark-green, feathery leaves grouped in fours around a hollow pinkish stem

Underwater weed with dark-green, feathery leaves grouped in fours around a hollow pinkish stem Dangers: Clogs water, inhibites other aquatic plants