Halophila ovalis
(Johnson's seagrass)
Plants
Exotic
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56 results for Halophila ovalis (Johnson's seagrass)
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Page:123
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1887437   [No locality description provided; coordinates obscured by collector]2023 32007000 Floridian 
1889229   [No locality description provided; coordinates obscured by collector]2025 32007000 Floridian 
1878306   St Johns2013 32006400 Eastern Caribbeanestablished
1878224 Antigua south shore of Salt Pond adjacent to Deep Bay in northwest Antigua2009 32006400 Eastern Caribbean 
1886857 FLBrevard[No locality description provided; coordinates obscured by collector]2018 03080203 Vero Beach 
1887338 FLBrevard[No locality description provided; coordinates obscured by collector]2022 03080202 Cape Canaveral 
1878297 FLBrevardSebastian Inlet2000 03080202 Cape Canaveralestablished
1878213 FLBrevardSebastian Inlet, in firm shelly sand in the sand trap on the north side of the inlet1975 03080202 Cape Canaveral 
1878095 FLBrevardSebastian Inlet, undulating sand bars west of the inlet bridge1969 03080203 Vero Beach 
1878298 FLBrowardPort Everglades, Stranahan River2012 03090206 Florida Southeast Coastestablished
1878102 FLBrowardWest Lake Park, intracoastal waterway2020 03090206 Florida Southeast Coast 
1887224 FLIndian River[No locality description provided; coordinates obscured by collector]2022 03080203 Vero Beach 
1878308 FLIndian RiverHole in the Wall Island2000 03080203 Vero Beachestablished
1878099 FLIndian RiverIndian River drift1984 03080203 Vero Beach 
1878296 FLIndian RiverJohns Island2000 03080203 Vero Beachestablished
1887074 FLMartin[No locality description provided; coordinates obscured by collector]2020 03090206 Florida Southeast Coast 
1889483 FLMartin[No locality description provided; coordinates obscured by collector]2025 03090206 Florida Southeast Coast 
1878201 FLMartinBessie Cove, Hutchinson Island1975 03090206 Florida Southeast Coast 
1878105 FLMartinIndian River Lagoon, Jensen Beach, FL, old Florida Institute of Technology dock, between Jensen and Stuart Causeway2001 03090206 Florida Southeast Coast 
1878032 FLMartinIndian Riverside Park1999 03090206 Florida Southeast Coast 
1878135 FLMartinSeabranch Preserve State Park2002 03090206 Florida Southeast Coast 
1878098 FLMartinSta. B. Indian River1959 03090206 Florida Southeast Coast 
1878125 FLMiami-DadeAlong Norris Cut, north end of Virginia Key, 6 m from shoreline at low tide1974 03090206 Florida Southeast Coast 
1878133 FLMiami-DadeBill Baggs Cape Florida State Park1992 03090206 Florida Southeast Coast 
1878303 FLMiami-DadeBiscayne Bay N, Dumfoundling Bay2012 03090206 Florida Southeast Coastestablished
Page:123

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 [12/17/2025].

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