Najas minor
Najas minor
(brittle waternymph)

25 results for Najas minor (brittle waternymph)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
229534 TN northern Tennessee1979 05130000 Cumberlandestablished
213431 TN Tennessee Valley1944 06020000 Middle Tennessee-Hiwasseeestablished
1321016 TNCampbellCampbell County1993  established
233895 TNClayClay County1993 05130100 Upper Cumberlandestablished
233899 TNCoffeeCoffee County1993 Unknown or N/Aestablished
233897 TNCumberlandCumberland County1993 06010200 Upper Tennesseeestablished
233894 TNDicksonDickson County1993 05130200 Lower Cumberlandestablished
233900 TNGrundyGrundy County1993  established
233902 TNHamiltonHamilton County1993 06020001 Middle Tennessee-Chickamaugaestablished
233893 TNHendersonHenderson County1993  established
233892 TNHenryHenry County1993  established
1400085 TNHumphreysDuck River Unit, Tennessee National Wildlife Refuge2002 06040005 Kentucky Lakeestablished
1321012 TNHumphreysHumphreys County1993 06040000 Lower Tennesseeestablished
1321018 TNJeffersonJefferson County1993 06010104 Holstonestablished
233904 TNKnoxKnox County1993 06010000 Upper Tennesseeestablished
1321017 TNLoudonLoudon County1993 06010200 Upper Tennesseeestablished
1698025 TNMarion[No locality description provided]2016 06020001 Middle Tennessee-Chickamauga 
233901 TNMarionMarion County1993 06000000 Tennessee Regionestablished
1321014 TNMeigsMeigs County1993 Unknown or N/Aestablished
233903 TNMonroeMonroe County1993 06010204 Lower Little Tennesseeestablished
233896 TNPutnamPutnam County1993 05130100 Upper Cumberlandestablished
233898 TNRheaRhea County1993 06000000 Tennessee Regionestablished
233891 TNShelbyShelby County1993 08010200 Hatchie-Obionestablished
213314 TNStewartCross Creeks National Wildlife Refuge, FWS, extends on both sides of Cumberland River between Dover and Cumberland City.1991 05130205 Lower Cumberlandestablished
1321015 TNStewartStewart County1993 05130200 Lower Cumberlandestablished

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. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/11/2023].

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