Najas marina
Najas marina
(holly-leaf waternymph)
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Native Transplant
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11 results for Najas marina (holly-leaf waternymph)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1895766 CASan DiegoGrowing in pond, Scripps Miramar Ranch1999 18070304 San Diego 
1895863 CASan DiegoLoveland Reservoir: S of Alpine and Japatul Valley Road; along the south shore, 1.1 air miles E of the dam located at the southeast end of the reservoir2007 18070304 San Diego 
1895813 CASan DiegoPeninsular Range, Loveland Reservoir, south of Alpine and east of El Cajon, on Sweetwater River1964 18070304 San Diego 
1895643 CASan DiegoPoway; Poway Lake, ca I(c) mi E of intersection of Lake Poway Road and Espola Road (County Hwy S-5), on the shoreline of the lake2007 18070304 San Diego 
1895641 CASan DiegoRamona, in private reservoir near Highway 78. (IPB 12/06)1990 18070304 San Diego 
1895869 CASan DiegoSan Diego County, US-CA, US2016 18070304 San Diego 
1895873 CASan DiegoSan Diego County, US-CA, US2017 18070304 San Diego 
1895874 CASan DiegoSan Diego County, US-CA, US2018 18070304 San Diego 
1895875 CASan DiegoSan Diego County, US-CA, US2018 18070304 San Diego 
1895645 CASan DiegoSouth shore of Kumeyaay Lake, Mission Trails Regional Park, San Diego1999 18070304 San Diego 
1895634 CASan DiegoSweetwater basin [Reservoir?]1923 18070304 San Diego 

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 [12/19/2025].

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