Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

85 results for Myriophyllum spicatum (Eurasian watermilfoil)
Download Data
Click here for listing in all states

Page:1234
Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1891079 Eurasian watermilfoilWIAdams[No locality description provided]2025 07070003 Castle Rock 
273045 Eurasian watermilfoilWIAdamsArkdale Lake (Arkdale Millpond)1994 07070003 Castle Rockcollected
231002 Eurasian watermilfoilWIAdamsArkdale Lake (Arkdale Millpond)1998 07070003 Castle Rockestablished
1422748 Eurasian watermilfoilWIAdamsArkdale Lake (Millpond)1994 07070003 Castle Rockestablished
231003 Eurasian watermilfoilWIAdamsArrowhead Lake (Manchester Lake)1998 07070003 Castle Rockestablished
273047 Eurasian watermilfoilWIAdamsArrowhead Lake (Manchester Lake)[~5 mi S of Nekoosa]1992 07070003 Castle Rockcollected
1422762 Eurasian watermilfoilWIAdamsArrowhead Lake (Manchester)1992 07070003 Castle Rockestablished
237040 Eurasian watermilfoilWIAdamsBig Roche-a-Cri Lake2003 07070003 Castle Rockestablished
1424713 Eurasian watermilfoilWIAdamsBig Roche-a-Cri Lake2003 07070003 Castle Rockestablished
1425192 hybrid watermilfoilWIAdamsCamelot Lake2014 07070003 Castle Rockestablished
1425204 Eurasian watermilfoilWIAdamsCamelot Lake1977 07070003 Castle Rockestablished
231004 Eurasian watermilfoilWIAdamsCamelot Lake1998 07070003 Castle Rockestablished
231065 Eurasian watermilfoilWIAdamsCastle Rock Lake [Wisconsin River, ~10 mi E of New Lisbon]1998 07070003 Castle Rockestablished
231005 Eurasian watermilfoilWIAdamsCastle Rock Lake [Wisconsin River]1998 07070003 Castle Rockestablished
1422919 hybrid watermilfoilWIAdamsFawn Lake2012 07070003 Castle Rockestablished
237042 Eurasian watermilfoilWIAdamsFawn Lake1999 07070003 Castle Rockestablished
1422846 Eurasian watermilfoilWIAdamsFawn Lake1999 07070003 Castle Rockestablished
231523 Eurasian watermilfoilWIAdamsFriendship Lake1998 07070003 Castle Rockestablished
1423156 Eurasian watermilfoilWIAdamsFriendship Lake (Millpond)1997 07070003 Castle Rockestablished
1426939 Eurasian watermilfoilWIAdamsPetenwell Lake1992 07070003 Castle Rockestablished
231012 Eurasian watermilfoilWIAdamsSherwood Lake (Deer Lodge Lake)1998 07070003 Castle Rockestablished
1427488 Eurasian watermilfoilWIAdamsSherwood Lake (Deer Lodge)1977 07070003 Castle Rockestablished
231011 Eurasian watermilfoilWIAdamsWisconsin River, at Petenwell Lake1998 07070003 Castle Rockestablished
231066 Eurasian watermilfoilWIAdamsWisconsin River, at Petenwell Lake [~ 2 mi NE of Necedah]1998 07070003 Castle Rockestablished
1425635 Eurasian watermilfoilWIColumbiaLong Lake2013 07070003 Castle Rockestablished
Page:1234

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 [1/14/2026].

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.