Najas marina
Najas marina
(spiny waternymph)
Native Transplant

40 results for Najas marina (spiny waternymph)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
244463 WIGreen LakeGreen Lake County2008 04030201 Upper Foxcollected
244470 WIJeffersonJefferson County2008 07090001 Upper Rockcollected
267154 WIKenoshaBenedict Lake [~3 mi NE of Genoa City]1995 07120006 Upper Foxestablished
267662 WIKenoshaCamp Lake1970 07120006 Upper Foxestablished
266404 WIKenoshaElizabeth Lake1995 07120006 Upper Foxestablished
244474 WIKenoshaKenosha County2008 04040002 Pike-Rootcollected
267663 WIKenoshaRock Lake1977 07120006 Upper Foxestablished
267155 WIKenoshaSilver Lake1976 07120006 Upper Foxestablished
1425013 WIRacineBohner Lake2013 07120006 Upper Foxestablished
267666 WIRacineBrowns Lake1978 07120006 Upper Foxestablished
1425106 WIRacineBrowns Lake2015 07120006 Upper Foxestablished
244473 WIRacineRacine County2008 04040002 Pike-Rootcollected
267156 WIRacineWind Lake1968 07120006 Upper Foxestablished
266403 WIRacineWind Lake1995 07120006 Upper Foxestablished
1423911 WIShawanoWhite Lake2012 04030202 Wolfestablished
1427162 WISheboyganRandom Lake2015 04040003 Milwaukeeestablished
1427438 WISheboyganSeven mile creek2015 04030101 Manitowoc-Sheboyganestablished
244464 WISheboyganSheboygan County2008 04030101 Manitowoc-Sheboygancollected
1423444 WISheboyganUnnamed tributary2015 04030101 Manitowoc-Sheboyganestablished
1423564 WIWalworthGreen Lake2015 07120006 Upper Foxestablished
266405 WIWalworthLake Beulah, 2 mi. north of East Troy1995 07120006 Upper Foxestablished
267664 WIWalworthLauderdale Lakes near Lauderdale, WI1990 07120006 Upper Foxestablished
1424584 WIWalworthMiddle Lake2015 07120006 Upper Foxestablished
1424625 WIWalworthMill Lake2012 07120006 Upper Foxestablished
1423665 WIWalworthTurtle Lake2014 07090002 Middle Rockestablished

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.


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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/29/2020].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.