Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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367 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
213372 Eurasian watermilfoilOH Lake Erie1983 04260000 Lake Erieestablished
229305 Eurasian watermilfoilOH Middle Ohio-Racoon drainage1982 05090100 Middle Ohio-Raccoonestablished
1694123 Eurasian watermilfoilOHAllenLima Lake2020 04100007 Auglaizeunknown
243911 Eurasian watermilfoilOHAshlandAshland County2008 05040002 Mohicancollected
1824494 Eurasian watermilfoilOHAshtabula[No locality description provided]2016 05030102 Shenango 
1824488 Eurasian watermilfoilOHAshtabula[No locality description provided]2016 05030102 Shenango 
1824490 Eurasian watermilfoilOHAshtabula[No locality description provided]2016 05030102 Shenango 
1824892 Eurasian watermilfoilOHAshtabula[No locality description provided]2016 05030102 Shenango 
1705539 Eurasian watermilfoilOHAshtabula[No locality description provided]2022 04110004 Grand 
1633599 Eurasian watermilfoilOHAshtabula[Pymatuning Reservoir]2018 04260000 Lake Erieestablished
1633667 Eurasian watermilfoilOHAshtabula[Pymatuning Reservoir]2019 04110003 Ashtabula-Chagrinestablished
1873440 Eurasian watermilfoilOHAshtabulaAshtabula2022 04260000 Lake Erie 
1873441 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873442 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873443 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873444 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873445 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873446 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873447 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873448 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873449 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873450 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873451 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873452 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
1873453 Eurasian watermilfoilOHAshtabulaAshtabula2022 04110003 Ashtabula-Chagrin 
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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 [1/19/2026].

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.