Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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18 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1811578 AZMohave[No locality description provided]2014 15030101 Havasu-Mohave Lakes 
1811579 AZMohaveColorado River2014 15030101 Havasu-Mohave Lakes 
1397809 AZMohaveColorado River @ Bullhead Community Park2014 15030101 Havasu-Mohave Lakesunknown
1397601 AZMohaveColorado River, downstream of Davis Dam2014 15030101 Havasu-Mohave Lakesunknown
1808494 AZMohaveLake Havasu2011 15030101 Havasu-Mohave Lakes 
1811438 AZMohaveLake Havasu2012 15030101 Havasu-Mohave Lakes 
1811580 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1811581 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1811582 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1811583 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1811584 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1811585 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1815260 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1815261 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1815262 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1815263 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
1815264 AZMohaveLake Havasu2014 15030101 Havasu-Mohave Lakes 
272365 AZMohavenorth end of Lake Havasu in approximately 7 feet of water2008 15030101 Havasu-Mohave Lakesestablished

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 [7/13/2025].

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