Najas marina

Holly-leaf waternymph

Collection Information for Najas marina

Results limited to HUC #04040003.
To see the collection list for the entire Great Lakes region, click here.
 To see the collection list for the entire United States, click here.
 Results also available in (click to export table to spreadsheet)

(click table headers to sort)
Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
1425746WIWashingtonLittle Cedar Lake201504040003Milwaukeeestablished
1425858WIWashingtonLucas Lake201704040003Milwaukeeestablished
1427162WISheboyganRandom Lake201504040003Milwaukeeestablished
244462WIWashingtonSilver Lake201604040003Milwaukeeestablished
244464WISheboyganRandom Lake194104040003Milwaukeeestablished
1655373WISheboyganRandom Lake within city limits of Random Lake196804040003Milwaukeeestablished
244469WIWashingtonWallace Lake, SE end198804040003Milwaukeeunknown
1655378WIWashingtonGilbert Lake, swamp at the north end199304040003Milwaukeeunknown

Citation for this information:
U.S. Geological Survey, 2026, Najas marina: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/13/2026