Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)

109 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
229348 Eurasian watermilfoilORBentonBenton County1983 Unknown or N/Aestablished
859064 Eurasian watermilfoilORBentonCorvallis1981 17090003 Upper Willametteestablished
859043 Eurasian watermilfoilORBentonCorvallis1981 17090003 Upper Willametteestablished
246165 Eurasian watermilfoilORBentonPrivate farm pond, Reservoir Road off of 53rd St.1981 17090003 Upper Willamettecollected
1467925 Eurasian watermilfoilORClatsop[Columbia River, near Astoria Bridge]2018 17080006 Lower Columbiaestablished
237311 Eurasian watermilfoilORClatsopClatsop County2005 Unknown or N/Aestablished
246179 Eurasian watermilfoilORColumbiaClatskanie Slough2003 17080003 Lower Columbia-Clatskaniecollected
242682 Eurasian watermilfoilORColumbiaClatskanie Slough - Beaver Slough and Beaver Dredge Cut2003 17080003 Lower Columbia-Clatskanieestablished
237315 Eurasian watermilfoilORColumbiaColumbia River, lower2005 17080003 Lower Columbia-Clatskanieestablished
246175 Eurasian watermilfoilORColumbiaSauvie Island, along land joining Oak and Sauvie Islands, in a branch of the Gilbert River1981 17090012 Lower Willamettecollected
260888 Eurasian watermilfoilORCoosCoos County2005 Unknown or N/Aestablished
859068 Eurasian watermilfoilORCrookOchoco Butte1981 17070305 Lower Crookedestablished
1706364 Eurasian watermilfoilORCurry[No locality description provided]2022 17100310 Lower Rogue 
260889 Eurasian watermilfoilORCurryCurry County2005 Unknown or N/Aestablished
859042 Eurasian watermilfoilORDeschutesCrane Prairie Reservoir2009 17070301 Upper Deschutesestablished
859073 Eurasian watermilfoilORDeschutesCrane Prairie Reservoir2009 17070301 Upper Deschutesestablished
262431 Eurasian watermilfoilORDeschutesCrane Prairie Reservoir, near Crane Prairie campground2009 17070301 Upper Deschutesestablished
1623515 Eurasian watermilfoilORDeschutesDeschutes National Forest2009 17070301 Upper Deschutesestablished
1625192 Eurasian watermilfoilORDeschutesDeschutes National Forest2013 17070301 Upper Deschutesestablished
1624622 Eurasian watermilfoilORDeschutesDeschutes National Forest2016 17070301 Upper Deschutesestablished
246180 Eurasian watermilfoilORDeschutesEast Lake, a caldera on Mt. Newberry1981 17070302 Little Deschutescollected
237313 Eurasian watermilfoilORDouglasDouglas County2005 Unknown or N/Aestablished
859061 Eurasian watermilfoilORGilliamArlington2012 17070101 Middle Columbia-Lake Wallulaestablished
1399623 Eurasian watermilfoilORGilliamColumbia River spur. N side of I-842009 17070101 Middle Columbia-Lake Wallulaunknown
274071 Eurasian watermilfoilORGilliamSpur of the Columbia River on North Side of I-842009 17070101 Middle Columbia-Lake Wallulaestablished

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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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/13/2024].

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