Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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19 results for Myriophyllum spicatum (Eurasian watermilfoil)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
620038 CASacramentoDelta [general location]1976 18020163 Lower Sacramentoestablished
232769 CASolanoPutah Creek1976 18020162 Upper Putahestablished
1436256 CAYoloalong State Hwy 128 about 1.2 mi nw junction County Road 86 (Pleasants Valley Road) (at fishing access; Putah Creek); Vaca Mountains, Putah Creek1976 18020162 Upper Putahestablished
879836 CAYoloFishing access area on Putah Creek1976 18020162 Upper Putahestablished
1703045 INGrantUpland [Taylor] Lake1976 05120103 Mississinewa 
229430 NYCattaraugusCuba Lake Spillway, Ischua1976 05010001 Upper Alleghenyestablished
1632856 OKComancheSunset Lake stream ponds formed by water control dams at base of Elk Mountain; Wichita Mtns Wildlife Refuge1976 11130203 West Cacheestablished
229345 WAKingBass Lake1976 17110013 Duwamishestablished
229837 WAKingGreen Lake in Seattle1976 17110012 Lake Washingtonestablished
230570 WAKingLake Number Twelve (Twelve Lake)1976 17110012 Lake Washingtonestablished
230567 WAKingLake Sawyer1976 17110013 Duwamishestablished
230568 WAKingShadow Lake1976 17110013 Duwamishestablished
230569 WAKingSpring (Otter) Lake1976 17110012 Lake Washingtonestablished
230571 WAKingStar Lake1976 17110013 Duwamishestablished
1424546 WIKenoshaLake Elizabeth (South Twin)1976 07120006 Upper Foxestablished
1425250 WIKenoshaLilly Lake (Leaone)1976 07120006 Upper Foxestablished
1426668 WILa CrosseOnalaska Lake1976 07040006 La Crosse-Pineestablished
253486 WITrempealeauOnalaska Lake1976 07040006 La Crosse-Pinecollected
1423572 WIWalworthGeneva Lake1976 07120006 Upper Foxestablished

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 [2/22/2026].

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