Try to arrest Wilma “the Creeper” Watermilfoil

Origin and Distribution

Eurasian watermilfoil was originally introduced to North America from which continent?
  A. South America
  B. Europe
  C. Asia
  D. All of the above
  E. A and B only
  F. B and C only


Which of the following can you do after boating to help prevent the spread of Eurasian watermilfoil?
  A. Inspect your boat and remove all aquatic plants and animals
  B. Drain all water found in motors, live wells, and bait containers and dispose of all unwanted bait on     land
  C. Take all plants and animals home and keep them as new "pets"
  D. Dry your boat and equipment for at least five days
  E. A, B, and D only
  F. All of the above

Environmental Impact

Eurasian watermilfoil can kill fish and native aquatic plants by removing oxygen from the water and blocking out the sun.

Economic Impact

Eurasian watermilfoil does not clog municipal water intakes; therefore, it does not have any impact on irrigation and farming.


Eurasian watermilfoil can be controlled mechanically, chemically, and biologically.