Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic
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5 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1759775 PAArmstrong[No locality description provided]1988 05010006 Middle Allegheny-Redbank 
1712986 PAArmstrongAllegheny River at mouth of Crooked Creek1988 05010006 Middle Allegheny-Redbank 
243999 PAArmstrongAlong E bank of Allegheny River, 1 mi. S of Templeton1988 05010006 Middle Allegheny-Redbank 
1877931 PAClarionshallow running water in the Allegheny River, at Parker1963 05010006 Middle Allegheny-Redbank 
1712985 PAJeffersonKyle Lake2023 05010006 Middle Allegheny-Redbank 

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 [2/20/2026].

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