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Myriophyllum spicatum L.
Eurasian watermilfoil

       
Symbol:    
Group:    
Family:    
Duration:    
Growth Habit:    
Native Status:  
  
  
  



   
Common Names:
 
Click on the image below to enlarge it and download a high-resolution JPEG file.
Photo of Myriophyllum spicatum L.
Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. Usage Requirements.
 
More Information:
 

Images:
Myriophyllum spicatum L.

Click on a thumbnail to view an image, or see all the Myriophyllum thumbnails at the PLANTS Gallery
View a larger version of this image and Profile page for Myriophyllum spicatum L. View a larger version of this image and Profile page for Myriophyllum spicatum L.
 

Distribution:
Myriophyllum spicatum L.

View Native Status
Distribution Map Legend

See U.S. county distributions (when available) by clicking on the map or the linked states below:

USA (AK, AL, AR, AZ, CA, CO, CT, DE, FL, GA, IA, IL, IN, KY, LA, MA, MD, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NY, OH, OK, OR, PA, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV), CAN (BC, NB, ON, QC)
 

Related Taxa:
Myriophyllum spicatum L.

View 4 genera in Haloragaceae, 14 species in Myriophyllum
 

Classification:
Myriophyllum spicatum L.

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Haloragales
Family Haloragaceae – Water Milfoil family
Genus Myriophyllum L. – watermilfoil
Species Myriophyllum spicatum L. – Eurasian watermilfoil
 

Noxious Weed Information:
Myriophyllum spicatum L.

This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds.

Alabama:
Eurasian watermilfoil              Class C noxious weed
Colorado:
Eurasian watermilfoil              B list (noxious weeds)
Connecticut:
Eurasian watermilfoil              Invasive, banned
Florida:
Eurasian watermilfoil              Prohibited aquatic plant, Class 1
Idaho:
Eurasian watermilfoil              Noxious weed
Maine:
Eurasian water milfoil              Invasive aquatic plant
Massachusetts:
Eurasian or European water-milfoil, spike water-milfoil              Prohibited
Montana:
Eurasian watermilfoil              Category 3 noxious weed
Nevada:
Eurasian water-milfoil              Noxious weed
New Mexico:
Eurasian watermilfoil              Class A noxious weed
North Carolina:
Eurasian watermilfoil              Class B noxious weed
Oregon:
Eurasian watermilfoil              "B" designated weed
Eurasian watermilfoil              Quarantine
South Carolina:
Eurasian watermilfoil              Invasive aquatic plant
Eurasian watermilfoil              Plant pest
South Dakota:
Eurasian water milfoil              Regulated non-native plant species
Texas:
Eurasian watermilfoil              Noxious plant
Vermont:
Eurasian watermilfoil              Class B noxious weed
Washington:
Eurasian watermilfoil              Class B noxious weed
Eurasian watermilfoil              Wetland and aquatic weed quarantine
 

U.S. Weed Information:
Myriophyllum spicatum L.

Eurasian watermilfoil
myriophylle en epi
spiked water milfoil

This plant can be weedy or invasive according to the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.

STATE        Assorted authors. 200_. State noxious weed lists for 46 states. State agriculture or natural resource departments.
Cal-IPC        California Invasive Plant Council. 2006. California Invasive Plant Inventory. Cal-IPC Publication 2006-02 (February 2007). California Invasive Plant Council. Berkeley, California.
FLEPPC        Florida Exotic Pest Plant Council. 1999. Invasive plant list (19 October 1999). Florida Exotic Pest Plant Council. Florida.
SEEPPC        Southeast Exotic Pest Plant Council. 1996. Invasive exotic pest plants in Tennessee (19 October 1999). Research Committee of the Tennessee Exotic Pest Plant Council. Tennessee.
WI        Hoffman, R. & K. Kearns (eds.). 1997. Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources. Madison, Wisconsin. 102pp.
 

Introduced Information:
Myriophyllum spicatum L.

This plant is introduced to some part of the PLANTS Floristic Area, though it may be native in other parts. Click on link below for a partial or complete list of PFA introduced plants.

Scientific Name= A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | all
Common Name= A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | all
 

Wetland Indicator Status:
Myriophyllum spicatum L.

Nat. Ind. Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 0 Reg. A Reg. C Reg. H
OBL OBL OBL OBL OBL OBL OBL OBL OBL OBL OBL OBL NO NO
Interpreting Wetland Indicator Status
 

Wildlife Habitat Values:
Myriophyllum spicatum L.

  Large Mammals Small Mammals Water Birds Terrestrial Birds
Source Large Mammals Food Large Mammals Cover Small Mammals Food Small Mammals Cover Water Birds Food Water Birds Cover Terrestrial Birds Food Terrestrial Birds Cover
Quinlan         Low   Low  
Wildlife Habitat Values

 

Quinlan, S.E., and S. Cuccarese. 2004. Native Alaskan and exotic plants used by wildlife(AK-Native Alaskan And Exotic Plants Used By Wildlife, 4 April 2005). Alaska Department of Fish and Game, Anchorage.

 

More Accounts and Images:
Myriophyllum spicatum L.

View photographs from CalPhotos.

View species account and distribution from USF Atlas of Florida Vascular Plants.

View species account from ARS Germplasm Resources Information Network (GRIN).

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 27039.

View species account and distribution map from Jepson Interchange (University of California - Berkeley).

View species account from Native American Ethnobotany (University of Michigan - Dearborn).

View photographs and distribution from University of Tennessee Herbarium.

View photographs and distribution from University of Washington Burke Museum.

View species account and photographs from University of Wisconsin - Stevens Point Freckmann Herbarium.

 

Related Web Sites:
Myriophyllum spicatum L.

Aquatic, Wetland and Invasive Plant Info. System: abstract & image

Canada-Invasive Exotic Plant Fact Sheets

Cornell University Biological Control

IA-DNR Nuisance Species

ID-Eurasian Watermilfoil in Idaho

Invasive Exotic Plants of Canada: abstract & illustrations

Invasive Plant Atlas of New England

Invasive Plant Atlas of the Midsouth (IPAMS)

MN-Biological Control of Eurasian Watermilfoil

MN-Invasive Exotic Species (DNR)

Minnesota Water Resources: identifying exotic aquatic macrophytes (images)

NH-Environmental Fact Sheet

NPCI Alien Plant Working Group: abstract & image

NV-Extension Weed Wanted Posters

NY-Invasive Plant Council of New York State-Top 20

North Carolina Agriculture and Consumer Services: Weed Regulatory Services

TX-Submerged Plants (TAES)

USDA ARS-Foiling Watermilfoil

USGS Nonindigenous Aquatic Species

VA-Invasive Alien Plant Species of Virginia

VT-Aquatic Nuisance Species

WA-King County Noxious Weeds

WA-NonNative Freshwater Plants

WA-Noxious Weed List & Information

Western Aquatic Plant Management Society

 
 
Time Generated: 10/05/2008 11:39 AM MDT