NC INVASIVE PLANT COUNCIL
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Eurasian Watermilfoil

Myriophyllum spicatum 

Eurasian watermilfoil was introduced in the 1950s; it has spread throughout the United States’ waterways causing the displacement of native plant communities.  It grows in still or slow-moving waters, and has been reported in a few counties in North Carolina. The plant can reproduce from small fragments dispersed through the water or on boats.  It is much easier to control an invasive species if we can manage infestations when they are still small. So, please watch out for Eurasian watermilfoil and report infestations outside of Halifax, Northampton, Perquimans, Tyrrell, and Warren counties to the N.C. Department of Agriculture and Consumer Services Weed Specialist at 1-800-206-9333.

Eurasian watermilfoil forms submersed rooted mats which are formed from a tangle of stems – stems can grow as long as 10’. The leaves grow in whorls of 3 or 4 around the stem. They are compound with tiny delicate leaflets of 12 - 21 pairs. Small yellow flowers emerge from the water on a spike (2 – 4” tall). 

Fact Sheet: Eurasian Watermilfoil
Picture
Photo credit (left to right): Richard Old, XID Services, Inc., Bugwood.org; Alison Fox, University of Florida, Bugwood.org
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  • Home
  • About
    • Donate
    • Invasives 101
    • Membership
    • Board of Directors >
      • NC-IPC ByLaws
    • Contact
    • Listserve
  • News
    • Iverson Scholarship
    • Wildland Weeds Magazine
    • Calendar >
      • 2018 Workshop
  • NC Invasive Plants
    • Ailanthus Altissima (Tree-of-Heaven)
    • Elaeagnus umbellata (Autumn Olive)
    • Ficaria verna (Fig Buttercup)
    • Imperata cylindrica (Cogongrass)
    • Ligustrum sinense (Chinese Privet)
    • Ligustrum vulgare (Wild Privet)
    • Lonicera japonica (Japanese Honeysuckle)
    • Microstegium vimineum (Japanese Stilt Grass)
    • Nandina domestica
    • Nymphoides indica (water snowflake)
    • Paulownia tomentosa (Princess Tree)
    • Persicaria perfoliata (Mile-A-Minute Vine)
    • Pueraria montana (Kudzu)
    • Pyrus calleryana (Bradford Pear)
  • Annual Symposiums
    • 2022 Joint Symposium >
      • 2022 Speaker Presentations
    • 2021 Virtual Conference
    • 2019 Joint Symposium >
      • 2019 Presentations
    • 2018 Annual Symposium
    • 2017 Annual Symposium
    • 2016 Annual Symposium >
      • 2016 agenda
    • 2015 Annual Symposium >
      • 2015 Presentations
      • 2015 Agenda
  • Projects
    • Fig Buttercup Project
    • Eno River Hydrilla Project
    • Awareness Week
  • Awards
    • 2015 Student Competition Winners
    • 2015 EIA Award
    • 2014 EIA Award