Najas marina
Najas marina
(holly-leaf waternymph)
Plants
Native Transplant
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5 results for Najas marina (holly-leaf waternymph)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1895806 CASan Luis Obispo4 mi nw of Guadalupe (Oso Flaco Lake); Oso Flaco Lake1949 18060006 Central Coastal 
1895628 CASan Luis ObispoJust NE of the airport on the campus of Calif State Polytechnic College, San Luis Obispo1970 18060006 Central Coastal 
1895627 CASan Luis ObispoSan Simeon creek drainage; Egeberg Ranch pond; in the lined pond2018 18060006 Central Coastal 
1895842 CASan Luis ObispoShepperd's Reservoir, Cal Poly Campus1983 18060006 Central Coastal 
1895844 CASan Luis ObispoWhale Rock Reservoir, Cayucos2010 18060006 Central Coastal 

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.

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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.