Pest Photo

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org

Variable watermilfoil

Myriophyllum heterophyllum

Variable watermilfoil (Myriophyllum heterophyllum) is an invasive plant. It was first detected in Maine in 1970.

Variable watermilfoil is native to the southern United States, but is considered invasive in much of the northeast.