Nitellopsis obtusa
Nitellopsis obtusa
(starry stonewort)
Algae
Exotic
Collection Info
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Impacts

10421 results for Nitellopsis obtusa (starry stonewort)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1714155 ILCookJackson Park Inner Harbor2023 04190000 Lake Michiganestablished
1657332 ILLakeLake Zurich2021 07120006 Upper Foxestablished
274622 INKosciuskoInfests approximately 20 acres in Lake Wawasee in Kosciusko County2008 04050001 St. Josephestablished
270508 INKosciuskoLake Wawasee near Syracuse2008 04050001 St. Josephestablished
1422338 INKosciuskoNorth Scott Lake2013 05120106 Tippecanoeestablished
877742 INKosciuskoSyracuse Lake, Syracuse2011 04050001 St. Josephestablished
877752 INKosciuskoTippecanoe Lake, Oswego2013 05120106 Tippecanoeestablished
902962 INKosciuskoWebster Lake, west bank near North Webster2015 05120106 Tippecanoeestablished
877757 INLaGrangeAdams Lake, Wocottville.2014 04050001 St. Josephestablished
1669857 INLaGrangeWall Lake2016 04050001 St. Josephunknown
1658169 INLaGrangeWall Lake2021 04050001 St. Josephestablished
271139 INLaGrangeWall Lake near the town of Orland2010 04050001 St. Josephestablished
1873577 INLakeEast Chicago2022 04040001 Little Calumet-Galien 
1873578 INLakeEast Chicago2022 04190000 Lake Michigan 
1873580 INLakeEast Chicago2022 04190000 Lake Michigan 
1873581 INLakeEast Chicago2022 04190000 Lake Michigan 
1873579 INLakeEast Chicago2022 04190000 Lake Michigan 
1694423 INMarshallLake Maxinkuckee2020 05120106 Tippecanoeunknown
1565677 INSteuben[No locality description provided]2016 04050001 St. Josephestablished
877744 INSteubenCrooked Lake, Angola2011 04050001 St. Josephestablished
1669865 INSteubenJimmerson Lake2016 04050001 St. Josephunknown
877764 INSteubenJimmerson Lake, Angola.2012 04050001 St. Josephestablished
270509 INSteubenLake George on the Indiana/Michigan border2009 04050001 St. Josephestablished
1321814 INSteubenLake James, lower basin near Glen Eden channel2016 04050001 St. Josephestablished
902965 INSteubenLake Pleasant, just beyond the boat launch in the end of the channel by the marina2015 04050001 St. Josephestablished
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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.

Disclaimer:

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/4/2025].

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.