Myriophyllum heterophyllum
Myriophyllum heterophyllum
(variable-leaf watermilfoil)
Plants
Native Transplant
Collection Info
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18 results for Myriophyllum heterophyllum (variable-leaf watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1872585 MEWashingtonBig Lake2019 01050001 Saint Croix River 
1872640 MEWashingtonBig Lake2020 01050001 Saint Croix River 
1872683 MEWashingtonBig Lake2021 01050001 Saint Croix River 
1872684 MEWashingtonBig Lake2021 01050001 Saint Croix River 
1872625 MEWashingtonBig Lake2021 01050001 Saint Croix River 
1872627 MEWashingtonBig Lake2021 01050001 Saint Croix River 
1872628 MEWashingtonBig Lake2021 01050001 Saint Croix River 
1872729 MEWashingtonBig Lake2023 01050001 Saint Croix River 
1872730 MEWashingtonBig Lake2023 01050001 Saint Croix River 
1872690 MEWashingtonGrand Falls Flowage2023 01050001 Saint Croix River 
1872691 MEWashingtonGrand Falls Flowage2023 01050001 Saint Croix River 
1872702 MEWashingtonGrand Falls Flowage2023 01050001 Saint Croix River 
1872728 MEWashingtonGrand Falls Flowage2023 01050001 Saint Croix River 
1872741 MEWashingtonGrand Falls Flowage2024 01050001 Saint Croix River 
1872754 MEWashingtonGrand Falls Flowage2024 01050001 Saint Croix River 
1872831 MEWashingtonLewey Lake2024 01050001 Saint Croix River 
1872598 MEWashingtonLewy Lake2019 01050001 Saint Croix River 
1872597 MEWashingtonLong Lake2019 01050001 Saint Croix River 

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 [7/11/2025].

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