Category 3

Eurasian watermilfoil

(Myriophyllum spicatum)

Haloragaceae (Watermilfoil family)

An emergent, herbaceous aquatic plant that reproduces vegetatively by rhizomes and fragmented stems.

Identifying Characteristics:

  • Forms large, floating mats of vegetation on the water surface, preventing light penetration
  • Red flowers bloom near the water surface

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