Specimen Information

Najas marina
Najas marina
(holly-leaf waternymph)
Plants
Native Transplant

Specimen ID1895801
GroupPlants
GenusNajas
Speciesmarina
Common Nameholly-leaf waternymph
StateCA
CountyMerced
LocalityLos Banos Reservoir c. 7 mi SW of Los Banos
Mapping AccuracyAccurate
HUC8 NameMiddle San Joaquin-Lower Chowchilla
HUC8 Number18040001
HUC10 NameUpper Los Banos Creek
HUC10 Number1804000106
HUC12 NameLos Banos Reservoir-Los Banos Creek
HUC12 Number180400010605
Map
Collection Day12
Collection Month9
Collection Year1970
Year AccuracyActual
Reference 1
Ref. Number:35847
Author:Freeman, S.L., and I.A. Pfingsten
Date:2021
Title:First record of Najas marina (Hydrocharitaceae) for Montana and an update on the North American distribution
Journal:Phytoneuron
Volume:2021-51
Pages:1-7
Reference 2
Ref. Number:46531
Author:Carter, B., and L. Rosengreen
Date:2018
Title:Carl W. Sharsmith Herbarium (SJSU)
Publisher:San Jose State University
Reference 3
Ref. Number:16045
Author:Alexander, J., S. Markos, J. Yost, R.L. Moe, E. Dean, and M. Nazaire.
Date:2016
Title:Consortium of California Herbaria (CCH)
Publisher:Regents of the University of California
Commentshttps://www.cch2.org/portal/collections/individual/index.php?occid=362167
Record TypeSpecimen
DisposalHerbarium
Museum Cat NumberSJSU5097


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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/16/2025].

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