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

14 results for Myriophyllum spicatum (Eurasian watermilfoil)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1847118 ORHood River[No locality description provided]2021 17070105 Middle Columbia-Hood 
1847119 ORHood River[No locality description provided]2021 17070105 Middle Columbia-Hood 
1847125 ORWasco[No locality description provided]2021 17070105 Middle Columbia-Hood 
1847126 ORWasco[No locality description provided]2021 17070105 Middle Columbia-Hood 
1847127 ORWasco[No locality description provided]2021 17070105 Middle Columbia-Hood 
1850900 ORWasco[No locality description provided]2022 17070105 Middle Columbia-Hood 
1847120 ORWascoColumbia River2021 17070105 Middle Columbia-Hood 
1847121 ORWascoColumbia River2021 17070105 Middle Columbia-Hood 
1847122 ORWascoColumbia River2021 17070105 Middle Columbia-Hood 
1847123 ORWascoColumbia River2021 17070105 Middle Columbia-Hood 
1847124 ORWascoColumbia River2021 17070105 Middle Columbia-Hood 
243827 ORWascoColumbia River, mid channel east of Rowena.2006 17070105 Middle Columbia-Hoodestablished
243826 ORWascoColumbia River, north of Mayer State Park, Rowena.2006 17070105 Middle Columbia-Hoodestablished
1850385 ORWascoLake Celilo2022 17070105 Middle Columbia-Hood 

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.

Disclaimer:

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 [5/21/2025].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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