Eurasian Watermilfoil

Scientific name: Myriophyllum spicatum L.

Common name: Eurasian Watermilfoil

Native To: Eurasia

Date of U.S. Introduction: Approx. 1900

Images: Invasive.org and Google

Means of Introduction: Aquarium trade

Impact: Crowds out native species

Current U.S. Distribution:

• PLANTS Database map (see complete PLANTS Profile for county distribution and native status)
• Early Detection & Distribution Mapping System (county distribution for Southeastern States)

States Where Reported Invasive: WeedUS Database map

Management Plans: Aquatic Species / Eurasian Watermilfoil

Selected Internet Resources:

• Federal Government
• State Government
• University/Academic
• International
• Organizations

Eurasian Water Milfoil
USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.
Photographs; Distribution; Special Note: Links to other sites

Myriophyllum spicatum
Integrated Taxonomic Information System.
Taxonomy

Eurasian Watermilfoil - Plant Invaders of Mid-Atlantic Natural Areas (2002)
DOI. National Park Service and Fish and Wildlife Service.
Identification/Description; Photographs; Distribution; Introduction History; Impacts; Controls

Whole-Lake Applications of Sonar for Selective Control of Eurasian Watermilfoil, Feb 2001, ERDC/EL TR-01-7 (PDF | 895 KB)
United States Army Corps of Engineers. Engineer Research and Development Center.
Controls; Research

Eurasian watermilfoil - Aquatic Plant Information System (APIS)
United States Army Corps of Engineers. Engineer Research and Development Center. Environmental Laboratory.
Identification/Description; Introduction History; Impacts; Habitat; Distribution; Dispersion; Controls

Myriophyllum spicatum L. (Eurasian Watermilfoil) - Noxious and Nuisance Plant Management Information System (PMIS)
United States Army Corps of Engineers. Engineer Research and Development Center. Environmental Laboratory.
Identification/Description; Photographs; Introduction History; Impacts; Distribution

Predicting the Invasion of Eurasian Watermilfoil into Northern Lakes, Technical Report A-99-2, Feb 1999 (PDF | 458 KB)
United States Army Corps of Engineers. Waterways Experiment Station.
Controls; Research

Foiling Watermilfoil (Mar 1999)
USDA. Agricultural Research Service.
Controls; Research

Myriophyllum spicatum Article Citation Search - AGRICOLA Database
USDA. National Agricultural Library.
Research; Special Note: NAL Catalog Search (resources)

Myriophyllum spicatum - Germplasm Resources Information Network (GRIN)
USDA. ARS. National Genetic Resources Program.
Taxonomy; Legal Aspects

Eurasian Watermilfoil - Biological Control of Invasive Plants in the Eastern United States
USDA. Forest Service.
Taxonomy; Identification/Description; Photographs; Distribution; Introduction History; Impacts; Life Cycle; Habitat; Controls

Plant Profile for Myriophyllum spicatum - PLANTS Database
USDA. NRCS. National Plant Data Center.
Taxonomy; Illustrations; Distribution; Legal Aspects

Myriophyllum spicatum L.
DOI. Florida Integrated Science Center.
Taxonomy; Identification/Description; Habitat; Distribution; Impacts

Euraisian Watermilfoil Control Program
Idaho Department of Agriculture.
Controls

Eurasian Watermilfoil
Iowa Department of Natural Resources. Fisheries Bureau.
Identification/Description; Photographs; Illustrations; Introduction History; Impacts, Distribution

Eurasian Watermilfoil Management Program
Minnesota Department of Natural Resources. Ecological Services Division.
Controls

Eurasian Milfoil - Environmental Fact Sheet (2007; 82 KB)
New Hampshire Department of Environmental Services.
Identification/Description; Illustrations; Introduction History; Habitat; Distribution

Eurasian Water-milfoil - Invasive Plants of Ohio
Ohio Department of Natural Resources. Natural Areas and Preserves.
Identification/Description; Photographs; Introduction History; Impacts; Habitat; Distribution; Controls

Eurasian Watermilfoil in Vermont and Eurasian Watermilfoil Fact Sheet (PDF | 103 KB)
Vermont Agency of Natural Resources. Environmental Conservation.
Identification/Description; Photographs; Illustrations; Introduction History; Impacts; Distribution; Controls

Eurasian Water-milfoil - Invasive Alien Plant Species of Virginia (PDF | 96 KB)
Virginia Department of Conservation and Recreation. Natural Heritage Program; Virginia Native Plant Society.
Identification/Description; Illustrations; Introduction History; Impacts; Habitat; Distribution; Control

Eurasian watermilfoil
State of Washington. King County Department of Natural Resources. Water and Land Resources Division.
Identification/Description; Illustrations; Introduction History; Dispersion; Controls

Eurasian Watermilfoil - Non-Native Freshwater Plants
Washington State Department of Ecology. Water Quality Program.
Identification/Description; Photographs; Illustrations; Introduction History; Impacts; Habitat; Distribution; Dispersion; Controls; Special Note: References

Eurasian Water Milfoil
Wisconsin Department of Natural Resources.
Identification/Distribution; Photographs; Introduction History; Impacts; Habitat; Distribution; Control

Eurasian Water-milfoil - Wisconsin Botanical Information System
Wisconsin State Herbarium; University of Wisconsin-Madison.
Taxonomy; Photographs; Habitat; Distribution

Myriophyllum spicatum - Invasive Plant Species of Alaska (PDF | 49 KB)
University of Alaska - Anchorage. Alaska Natural Heritage Program.
Identification/Description; Photographs; Impacts; Habitat; Controls

Myriophyllum spicatum (Eurasian watermilfoil, spiked watermilfoil) - Invasive Plant Atlas of New England (IPANE)
University of Connecticut. Ecology and Evolutionary Biology.
Taxonomy; Identification/Description; Photographs; Introduction History; Distribution; Dispersion; Controls

Eurasian water milfoil - Aquatic, Wetland and Invasive Plant Particulars and Photographs
University of Florida. Center for Aquatic and Invasive Plants.
Identification/Description; Photographs; Illustrations; Controls

Eurasian water milfoil - Biological Control Of Invasive Plants
University of Florida. Center for Aquatic and Invasive Plants.
Controls

Eurasian Milfoil - Maine Invasive Plants Bulletin no. 2531
University of Maine. Cooperative Extension.
Identification/Description; Photographs; Impacts; Habitat; Distribution; Controls

Biological Control of Eurasian Watermilfoil
University of Minnesota. Fisheries and Wildlife.
Photographs; Controls

Eurasian Watermilfoil - Exotic Aquatics on the Move
National Sea Grant Network and Geographic Education Alliances.
Identification/Description; Photographs; Introduction History; Impacts; Distribution; Controls

Eurasian Watermilfoil (PDF | 270 KB)
University of Nevada - Reno. Cooperative Extension.
Identification/Description; Introduction History; Illustrations; Impacts; Habitat; Distribution; Controls

Eurasian Water-milfoil - Invasive Plant Fact Sheets (PDF | 171 KB)
University of Pennsylvania. Morris Arboretum; Delaware River Invasive Plant Partnership.
Identification/Description; Photographs; Illustrations; Introduction History; Impacts; Habitat; Distribution; Dispersion; Controls

Eurasian watermilfoil - Aquaplant
Texas A&M University. Texas Agricultural Extension Service.
Identification/Description; Photographs; Illustrations; Introduction History; Controls

Eurasian Watermilfoil
Ontario Federation of Anglers and Hunters (Canada).
Identification/Description; Photographs; Impacts; Distribution

Eurasian watermilfoil - Invasive Plants of Natural Habitats in Canada
Canadian Wildlife Service.
Taxonomy; Identification/Description; Illustrations; Introduction History; Impacts; Life Cycle, Habitat; Distribution; Controls; Special Note: References

Myriophyllum spicatum (aquatic plant) - ISSG Global Invasive Species Database
World Conservation Union. Invasive Species Specialist Group.
Taxonomy; Identification/Description; Impacts; Life Cycle; Habitat; Distribution; Controls

Eurasian Watermilfoil - APMS Plant Fact Sheet
Aquatic Plant Management Society.
Identification/Description; Photographs; Impacts; Distribution

Eurasian Watermilfoil
Colorado Weed Management Association.
Identification/Description; Photographs; Life Cycle; Habitat; Distribution; Dispersion

Myriophyllum spicatum
Discover Life.
Taxonomy; Identification/Description; Photographs; Illustrations; Impacts; Life Cycle; Habitat; Distribution; Dispersion; Controls

Eurasian watermilfoil
Invasive.org.
Photographs; Special Note: Resources

Eurasian Watermilfoil
Plant Conservation Alliance. Alien Plant Working Group.
Identification; Photographs; Impacts; Habitat; Distribution; Dispersion; Controls

Myriophyllum spicatum
Pulling Together Initiative. Texasinvasives.org.
Taxonomy; Identification/Description; Photographs; Introduction History; Impacts; Life Cycle; Habitat; Distribution; Dispersion; Controls; Special Note: References

Eurasian watermilfoil - Practical Guidebook to the Control of Invasive and Aquatic Wetland Plants of the San Francisco Bay-Delta Region
San Francisco Estuary Institute.
Identification/Description; Photographs; Impacts, Habitat; Controls

Eurasian Water-milfoil - Southeast Exotic Pest Plant Council Invasive Plant Manual
Southeast Exotic Pest Plant Council.
Identification/Description; Introduction History; Impacts; Life Cycle, Habitat; Distribution; Controls; Special Note: References

Myriophyllum spicatum
Western Aquatic Plant Management Society.
Identification/Description; Photographs; Introduction History; Impacts; Life Cycle; Habitat; Distribution; Dispersion; Controls; Special Note: References