Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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1285 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1397443 Eurasian watermilfoilALBaldwinsmall pond on property2014 03160205 Mobile Bayunknown
1613857 Eurasian watermilfoilALMarshallGuntersville Lake, AL2014 06030001 Guntersville Lakeestablished
1468047 Eurasian watermilfoilALMobileDauphin Island. Approximately 300 feet from Gulf, directly south of the island’s golf course at its southeast corner2014 03170009 Mississippi Coastalestablished
1397809 Eurasian watermilfoilAZMohaveColorado River @ Bullhead Community Park2014 15030101 Havasu-Mohave Lakesunknown
1397601 Eurasian watermilfoilAZMohaveColorado River, downstream of Davis Dam2014 15030101 Havasu-Mohave Lakesunknown
1436195 Eurasian watermilfoilCAButteOn the sides but near the top of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.2014 18020159 Honcut Headwaters-Lower Featherestablished
1670652 Eurasian watermilfoilCAMarin[No locality description provided]2014 18050005 Tomales-Drake Bays 
1670736 Eurasian watermilfoilCASanta Clara[No locality description provided]2014 18050003 Coyote 
877999 Eurasian watermilfoilCOAlamosaAlamosa River near town of Alamosa2014 13010002 Alamosa-Trincheraestablished
877980 Eurasian watermilfoilCOArapahoeBig Dry Creek2014 10190002 Upper South Platteestablished
877983 Eurasian watermilfoilCOArapahoeBow Mar Lake2014 10190002 Upper South Platteestablished
877995 Eurasian watermilfoilCOBentAdobe Creek Reservoir (Blue Lake)2014 11020009 Upper Arkansas-John Martin Reservoirestablished
877973 Eurasian watermilfoilCOFremontBrush Hollow Reservoir2014 11020002 Upper Arkansasestablished
877992 Eurasian watermilfoilCOFremontMinnequa Canal (Fremont County)2014 11020002 Upper Arkansasestablished
877981 Eurasian watermilfoilCOHuerfanoHorseshoe Lake/Reservoir (Meriam?) located in Lathrop State Park2014 11020006 Huerfanoestablished
877982 Eurasian watermilfoilCOHuerfanoMartin Reservoir aka as Martin (Oehm?) Lake is located within Lathrop State Park2014 11020006 Huerfanoestablished
877979 Eurasian watermilfoilCOJeffersonArvada/Blunn Reservoir2014 10190004 Clearestablished
877984 Eurasian watermilfoilCOJeffersonProspect Lake2014 10190004 Clearestablished
877977 Eurasian watermilfoilCOJeffersonSouth Platte River2014 10190002 Upper South Platteestablished
877974 Eurasian watermilfoilCOJeffersonStandley Lake (Westminster)2014 10190003 Middle South Platte-Cherry Creekestablished
877985 Eurasian watermilfoilCOJeffersonTucker Lake2014 10190004 Clearestablished
877986 Eurasian watermilfoilCOJeffersonWard Rd Ponds2014 10190004 Clearestablished
877978 Eurasian watermilfoilCOLarimerDouglas Reservoir2014 10190007 Cache La Poudreestablished
877991 Eurasian watermilfoilCOParkCharlie Meyers State Wildlife Area (SWA)2014 10190001 South Platte Headwatersestablished
877990 Eurasian watermilfoilCOParkSouth Platte River, at Elevenmile [Canyon] Reservoir2014 10190001 South Platte Headwatersestablished
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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 [1/15/2025].

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.