Specimen Information

Halophila ovalis
(Johnson's seagrass)
Plants
Exotic

Specimen ID1878298
GroupPlants
GenusHalophila
Speciesovalis
Common NameJohnson's seagrass
StateFL
CountyBroward
LocalityPort Everglades, Stranahan River
Mapping AccuracyAccurate
HUC8 NameFlorida Southeast Coast
HUC8 Number03090206
HUC10 NameBoca Raton Inlet-Port Everglades
HUC10 Number0309020613
HUC12 NameBoca Raton Inlet-Port Everglades
HUC12 Number030902061300
Map
Collection Year2012
Year AccuracyActual
Potential Pathwayhitch hiker | dispersed
Statusestablished
Reference 1
Ref. Number:45853
Author:Waycott M., K.-j. van Dijk, A. Calladine, E. Bricker, and E. Biffin
Date:2021
Title:Genomics-Based Phylogenetic and Population Genetic Analysis of Global Samples Confirms Halophila johnsonii Eiseman as Halophila ovalis (R.Br.) Hook.f.
Journal:Frontiers in Marine Science
Volume:8
Pages:740958
Record TypeLiterature
VerifierMichelle Waycott
Freshwater/MarineMarine


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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 [12/18/2025].

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