Najas minor
Najas minor
(brittle waternymph)

78 results for Najas minor (brittle waternymph)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
244528 ILAlexanderAlexander County1992 07140100 Upper Mississippi-Meramecestablished
244556 ILClarkClark County2008 05120100 Wabashcollected
244508 ILClintonClinton County2008 07140202 Middle Kaskaskiacollected
270072 ILCookCook County2010 Unknown or N/Acollected
1321028 ILCookIn Burnham, on the property of the Forest Preserve District of Cook County, at Powderhorn Lake, located on the far northeast side2001 04040001 Little Calumet-Galienestablished
244506 ILCrawfordCrawford County2008 05120111 Middle Wabash-Busseroncollected
244502 ILCumberlandCumberland County1992 05120112 Embarrasestablished
244477 ILDe WittDe Witt County2008 07130009 Saltcollected
270073 ILDuPageDuPage County2010 07120000 Upper Illinoiscollected
1321027 ILDuPageMallard Lake Forest Preserve near Hanover Park. In the northwestern corner of Mallard Lake1998 07120004 Des Plainesestablished
1321026 ILDuPagePratt's Wayne Woods Forest Preserve near Wayne. In a quarry pond southeast of the intersection of Stearns and Powis Roads1997 07120007 Lower Foxunknown
1321029 ILDuPageSongbird Slough Forest Preserve near Itasca. In a constructed lake adjacent to a wetland2002 07120004 Des Plainesestablished
244479 ILEdgarEdgar County2008 05120100 Wabashcollected
244505 ILEffinghamEffingham County2008 05120114 Little Wabashcollected
244504 ILFayetteFayette County2008 07140202 Middle Kaskaskiacollected
244476 ILFordFord County2008 Unknown or N/Acollected
1321232 ILFordHoppler Pond, north of Roberts1961 07120002 Iroquoisunknown
244518 ILFranklinFranklin County2008 07140106 Big Muddycollected
244522 ILGallatinGallatin County2008 05140204 Salinecollected
1397176 ILGallatinPounds Hollow Lake Ramp2008 05140204 Salineunknown
1397149 ILGallatinPounds Lake2008 05140204 Salineunknown
228886 ILGreeneGreene county1963 07130000 Lower Illinoisestablished
244519 ILHamiltonHamilton County2008 05120115 Skilletcollected
244526 ILHardinHardin county2008 05140203 Lower Ohio-Baycollected
229562 ILHendersonHenderson county1966 07080104 Flint-Hendersonestablished

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 [12/10/2023].

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.