Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)

32 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
877989 COAdamsPonds NW of Lowell St Park2013 10190004 Clearestablished
877999 COAlamosaAlamosa River near town of Alamosa2014 13010002 Alamosa-Trincheraestablished
231357 COAlamosaRio Grande River, at Alamosa1998 13010002 Alamosa-Trincheraestablished
877980 COArapahoeBig Dry Creek2014 10190002 Upper South Platteestablished
877983 COArapahoeBow Mar Lake2014 10190002 Upper South Platteestablished
877995 COBentAdobe Creek Reservoir (Blue Lake)2014 11020009 Upper Arkansas-John Martin Reservoirestablished
1714040 COBoulderBoulder Reservoir2022 10190005 St. Vrain 
235714 COBoulderBoulder, Colorado University research ponds off Foothills Pkwy and Arapaho2004 10190005 St. Vrainestablished
877972 COBoulderBoulder, Colorado University research ponds off Foothills Pkwy and Arapaho2013 10190005 St. Vrainestablished
1635322 COBoulderErie Lake2019 10190005 St. Vraineradicated
234514 CODenverMarston Lake2002 10190002 Upper South Platteestablished
235717 CODouglasChatfield State Park, south ponds2004 10190002 Upper South Platteestablished
1635323 COEl PasoMonument Lake2017 11020003 Fountainestablished
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
877981 COHuerfanoHorseshoe Lake/Reservoir (Meriam?) located in Lathrop State Park2014 11020006 Huerfanoestablished
877982 COHuerfanoMartin Reservoir aka as Martin (Oehm?) Lake is located within Lathrop State Park2014 11020006 Huerfanoestablished
877979 COJeffersonArvada/Blunn Reservoir2014 10190004 Clearestablished
877984 COJeffersonProspect Lake2014 10190004 Clearestablished
877977 COJeffersonSouth Platte River2014 10190002 Upper South Platteestablished
234513 COJeffersonStandley Lake2002 10190003 Middle South Platte-Cherry Creekestablished
877974 COJeffersonStandley Lake (Westminster)2014 10190003 Middle South Platte-Cherry Creekestablished
877985 COJeffersonTucker Lake2014 10190004 Clearestablished
877986 COJeffersonWard Rd Ponds2014 10190004 Clearestablished

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.


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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/26/2024].

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