Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic
Collection Info
Point Map
Species Profile
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Impacts

183 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Page:12345678
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1847132 ORGilliam[No locality description provided]2021 17070101 Middle Columbia-Lake Wallula 
1847133 ORGilliam[No locality description provided]2021 17070101 Middle Columbia-Lake Wallula 
859061 ORGilliamArlington2012 17070101 Middle Columbia-Lake Wallulaestablished
1399623 ORGilliamColumbia River spur. N side of I-842009 17070101 Middle Columbia-Lake Wallulaunknown
1810803 ORGilliamLake Umatilla2012 17070101 Middle Columbia-Lake Wallula 
274071 ORGilliamSpur of the Columbia River on North Side of I-842009 17070101 Middle Columbia-Lake Wallulaestablished
1815111 ORGilliamWillow Lake2014 17070104 Willow 
1815112 ORGilliamWillow Lake2014 17070104 Willow 
1815113 ORGilliamWillow Lake2014 17070104 Willow 
1815114 ORGilliamWillow Lake2014 17070104 Willow 
1815115 ORGilliamWillow Lake2014 17070104 Willow 
1815116 ORGilliamWillow Lake2014 17070104 Willow 
1847118 ORHood River[No locality description provided]2021 17070105 Middle Columbia-Hood 
1847119 ORHood River[No locality description provided]2021 17070105 Middle Columbia-Hood 
1815138 ORMorrow[No locality description provided]2014 17070101 Middle Columbia-Lake Wallula 
1815153 ORMorrow[No locality description provided]2014 17070101 Middle Columbia-Lake Wallula 
1815164 ORMorrow[No locality description provided]2014 17070101 Middle Columbia-Lake Wallula 
1847101 ORMorrow[No locality description provided]2021 17070101 Middle Columbia-Lake Wallula 
1847349 ORMorrow[No locality description provided]2021 17070101 Middle Columbia-Lake Wallula 
1847343 ORMorrow[No locality description provided]2021 17070101 Middle Columbia-Lake Wallula 
243819 ORMorrowColumbia River, Lake Umatilla, at Irrigon.2006 17070101 Middle Columbia-Lake Wallulaestablished
1815139 ORMorrowLake Umatilla2014 17070101 Middle Columbia-Lake Wallula 
1815140 ORMorrowLake Umatilla2014 17070101 Middle Columbia-Lake Wallula 
1815141 ORMorrowLake Umatilla2014 17070101 Middle Columbia-Lake Wallula 
1815142 ORMorrowLake Umatilla2014 17070101 Middle Columbia-Lake Wallula 
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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 [2/23/2026].

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