NYS Department of Environmental  Conservation
DEClogo_color_1 NYS Aquatic Exotics Sites-Mheterophyllum
Variable Watermilfoil
(Myriophyllum heterophyllum)
•Habitat:
–Highly Variable
•Growth Patterns
–Occasionally Very Dense Surface Stems
–Thick Subsurface Canopies
•Competitive Advantage
–Shading/Light Inhibition
–Easily Moves By Fragmentation
State Distributional Map for Myriophyllum heterophyllum Michx.