Najas marina
Najas marina
(holly-leaf waternymph)
Native Transplant

12 results for Najas marina (holly-leaf waternymph)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1655363 WIJeffersonMud Lake2007 07090001 Upper Rockunknown
244470 WIJeffersonRock Lake1990 07090001 Upper Rockunknown
1657785 WIJeffersonWisconsin, US2017 07090001 Upper Rockunknown
244474 WIWashingtonPike Lake2011 07090001 Upper Rockestablished
244471 WIWaukeshaAshippun Lake1977 07090001 Upper Rockunknown
1426413 WIWaukeshaMoose Lake2015 07090001 Upper Rockestablished
1655383 WIWaukeshaOconomowoc Lake1980 07090001 Upper Rockunknown
1655379 WIWaukeshaOkauchee Lake1977 07090001 Upper Rockunknown
1655384 WIWaukeshaPine Lake, along south shore1991 07090001 Upper Rockunknown
267665 WIWaukeshaSilver Lake [~4 mi W of Delafield]1998 07090001 Upper Rockestablished
1657779 WIWaukeshaWisconsin, US2014 07090001 Upper Rockunknown
1657768 WIWaukeshaWisconsin, US2020 07090001 Upper Rockunknown

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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/11/2022].

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