Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)

5 results for Myriophyllum spicatum (Eurasian watermilfoil)

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Reference
3339 Myriophyllum spicatum Recreation Observational Field Myriophyllum spicatum covers a majority of the water surface of Kawartha Lakes in Ontario. 10310
3340 Myriophyllum spicatum Recreation Observational Field Myriophyllum spicatum impedes boat access in the Tennessee Valley Authority reservoirs 10310
3401 Myriophyllum spicatum Recreation Anecdotal Field Anglers consider Myriophyllum spicatum beds to be ideal locations for bass fishing, calm... 10310
3465 Myriophyllum spicatum Recreation Observational Field The dense mats formed by Myriophyllum spicatum have had a negative impact on recreation in... 16463
5239 Myriophyllum spicatum Recreation Observational Field Dense aggregations of Myriophyllum spicatum impact recreation, such as boating and... 38045

View all impact types for Myriophyllum spicatum
Data Disclaimer: 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.


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. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/7/2023].

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.