Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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6 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
252720 CA Truckee River2001 16050102 Truckeeestablished
269150 CANevadaMartis Creek Reservoir2010 16050102 Truckeeestablished
1891637 CAPlacer[No locality description provided]2025 16050102 Truckee 
1436135 CAPlacerFrom Truckee River, adjacent to California Highway 89, approximately 150 to 300 m downstream of the River Road Trade Center.1996 16050102 Truckeeestablished
240676 CAPlacerTruckee River (between Tahoe City Dam and Truckee)1996 16050102 Truckeeestablished
1436146 CAPlacerTruckee River below Fanny Bridge in the vicinity of Tahoe City.2001 16050102 Truckeeestablished

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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