Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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Exotic
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8 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1522500 COFremont[Blue Herion Park ponds W of Brush Hollow Creek]2018 11020002 Upper Arkansasestablished
877973 COFremontBrush Hollow Reservoir2014 11020002 Upper Arkansasestablished
877992 COFremontMinnequa Canal (Fremont County)2014 11020002 Upper Arkansasestablished
1887611 COPueblo[No locality description provided]2023 11020002 Upper Arkansas 
1888582 COPueblo[No locality description provided]2024 11020002 Upper Arkansas 
1891432 COPueblo[No locality description provided]2025 11020002 Upper Arkansas 
877993 COPuebloArkansas River, at Pueblo Reservoir, Lake Pueblo State Park2014 11020002 Upper Arkansasestablished
877994 COPuebloBessemer Ditch2014 11020002 Upper Arkansasestablished

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 [1/22/2026].

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