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

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1436344 CASan Bernardinoaround Lake Arrowhead1961 18090208 Mojaveestablished
879844 CASan BernardinoLake Arrowhead1961 18090208 Mojaveestablished
252690 CASan BernardinoLake Arrowhead1961 18090208 Mojavecollected
234207 MDBaltimoreBird River in Bird River Beach1961 02060003 Gunpowder-Patapscoestablished
1456607 MISt. ClairHarsen's Island, Pool near Krispin Rd. dump1961 04090002 Lake St. Clairunknown
230852 PABucksChurchville Reservoir.1961 02040201 Crosswicks-Neshaminyestablished
1758867 PABucksSpringfield Lake (BUCKS)1961 02040201 Crosswicks-Neshaminy 
1877934 PALehighLehigh River, 2 miles southeast of center square, Allentown1961 02040106 Lehigh 
230763 TNHamiltonChickamauga Lake1961 06020001 Middle Tennessee-Chickamaugaestablished

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.

Disclaimer:

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 [2/23/2026].

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