Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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15 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
878103 Eurasian watermilfoilIDKootenaiChicken Point at Lake Hayden2005 17010305 Upper Spokaneestablished
878106 Eurasian watermilfoilIDKootenaiClarke Bay, Lake Hayden2005 17010305 Upper Spokaneestablished
1398614 Eurasian watermilfoilIDKootenaiCollected during a littoral zone survey of Hayden Lake2007 17010305 Upper Spokaneunknown
878099 Eurasian watermilfoilIDKootenaiEast Sportsman at Hayden Lake2005 17010305 Upper Spokaneestablished
878101 Eurasian watermilfoilIDKootenaiHayden Haven N. at Lake Hayden2005 17010305 Upper Spokaneestablished
1257397 hybrid watermilfoilIDKootenaiHayden Lake2015 17010305 Upper Spokaneestablished
230975 Eurasian watermilfoilIDKootenaiHayden Lake1998 17010305 Upper Spokaneestablished
237242 Eurasian watermilfoilIDKootenaiHayden Lake2005 17010305 Upper Spokaneestablished
1873923 hybrid watermilfoilIDKootenaiHayden Lake, Idaho2022 17010305 Upper Spokaneestablished
878100 Eurasian watermilfoilIDKootenaiMcCleans ato Hayden Lake2005 17010305 Upper Spokaneestablished
878104 Eurasian watermilfoilIDKootenaiMokins Slough, Lake Hayden2005 17010305 Upper Spokaneestablished
878105 Eurasian watermilfoilIDKootenaiO'Rourke Bay, Lake Hayden2005 17010305 Upper Spokaneestablished
878107 Eurasian watermilfoilIDKootenaiRockaway, Lake Hayden2005 17010305 Upper Spokaneestablished
878098 Eurasian watermilfoilIDKootenaiSportsman at Hayden Lake2005 17010305 Upper Spokaneestablished
878108 Eurasian watermilfoilIDKootenaiTaylors Terrace, Lake Hayden2005 17010305 Upper Spokaneestablished

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/7/2025].

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