Specimen Information

Najas marina
Najas marina
(holly-leaf waternymph)
Plants
Native Transplant
Collection Info
Point Map
Species Profile
Animated Map

Specimen ID244461
GroupPlants
GenusNajas
Speciesmarina
Common Nameholly-leaf waternymph
StatePA
CountyBlair
Localitysubmerged in shallow water along the shoreline in an abandoned limestone quarry, ca. 1.1 miles NW of Williamsburg
Mapping AccuracyAccurate
HUC8 NameUpper Juniata
HUC8 Number02050302
HUC10 NameLower Frankstown Branch Juniata River
HUC10 Number0205030203
HUC12 NameFrankstown Branch Juniata River-Juniata River
HUC12 Number020503020305
Map
Collection Day3
Collection Month9
Collection Year1982
Year AccuracyActual
Potential Pathwayhitch hiker
Statusestablished
Reference 1
Ref. Number:34776
Author:Pennsylvania State University
Date:2015
Title:The Pennsylvania State University Herbarium (PAC)
Publisher:SEINet Data Portal
Reference 2
Ref. Number:10669
Author:Academy of Natural Sciences
Date:2016
Title:Academy of Natural Sciences of Drexel University Herbarium (PH)
Publisher:SEINet Data Portal
Reference 3
Ref. Number:29255
Author:Isaac, B. (collections).
Date:2016
Title:Carnegie Museum of Natural History Herbarium (CM)
Publisher:Carnegie Museum of Natural History
Reference 4
Ref. Number:28331
Author:SEINet Portal Network.
Date:2021
Title:Southwest Environmental Information Network
Publisher:Symbiota Software Project, Arizona State University
Reference 5
Ref. Number:35346
Author:Kunsman, J.R., and C.S. Keener
Date:1986
Title:New Records of Vascular Plants from Blair County, Pennsylvania
Journal:Bartonia
Volume:52
Pages:14-25
CommentsGeoreferenced by NAS staff
Record TypeSpecimen
Earliest Recordstate
DisposalPAC, PH, CM
Museum Cat Number4416, 728856, 344336
VerifierRobert R. Haynes
Freshwater/MarineFreshwater

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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/14/2025].

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