Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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3847 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1714028 Eurasian watermilfoilALMobileFowl River, off Pioneer Rd2022 03160205 Mobile Bayestablished
1709219 Eurasian watermilfoilALMorgan[No locality description provided]2022 06030002 Wheeler Lake 
1709193 Eurasian watermilfoilBC [No locality description provided]2022 17020006 Okanogan 
1709307 Eurasian watermilfoilBC [No locality description provided]2022   
1709413 Eurasian watermilfoilBC [No locality description provided]2022 17020006 Okanogan 
1705506 Eurasian watermilfoilBC [No locality description provided]2022 17020001 Franklin D. Roosevelt Lake 
1706448 Eurasian watermilfoilBC [No locality description provided]2022   
1730404 Eurasian watermilfoilBC [No locality description provided]2022 17020001 Franklin D. Roosevelt Lake 
1730405 Eurasian watermilfoilBC [No locality description provided]2022 17020001 Franklin D. Roosevelt Lake 
1705613 Eurasian watermilfoilCAAlameda[No locality description provided]2022 18050004 San Francisco Bay 
1749073 Eurasian watermilfoilCAContra Costa[No locality description provided]2022 18040003 San Joaquin Delta 
1709248 Eurasian watermilfoilCASanta Clara[No locality description provided]2022 18050003 Coyote 
1714040 Eurasian watermilfoilCOBoulderBoulder Reservoir2022 10190005 St. Vrain 
1748823 Eurasian watermilfoilCTNew Haven[No locality description provided]2022 01100004 Quinnipiac 
1887294 Eurasian watermilfoilFLCitrus[No locality description provided]2022 03100207 Crystal-Pithlachascotee 
1713648 Eurasian watermilfoilIADickinsonEast Okoboji Lake, Dickinson County, Iowa2022 10230003 Little Sioux 
1713649 Eurasian watermilfoilIADickinsonLower Gar Lake, Milford, Iowa2022 10230003 Little Sioux 
1713651 Eurasian watermilfoilIADickinsonMinnewashta Lake, Okoboji, Iowa2022 10230003 Little Sioux 
1713650 Eurasian watermilfoilIADickinsonUpper Gar Lake, Okoboji, Iowa2022 10230003 Little Sioux 
1873922 Eurasian watermilfoilIDKootenaiCoeur D'Alene Lake, Idaho2022 17010303 Coeur d'Alene Lakeestablished
1873923 hybrid watermilfoilIDKootenaiHayden Lake, Idaho2022 17010305 Upper Spokaneestablished
1709373 Eurasian watermilfoilILChampaign[No locality description provided]2022 05120112 Embarras 
1709374 Eurasian watermilfoilILChampaign[No locality description provided]2022 05120112 Embarras 
1748884 Eurasian watermilfoilILLake[No locality description provided]2022 07120004 Des Plaines 
1884087 hybrid watermilfoilILLakeCedar Lake2022 07120006 Upper Foxestablished
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Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/15/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.