Hygrophila polysperma
Hygrophila polysperma
(Indian swampweed)
Plants
Exotic
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Impacts

25 results for Hygrophila polysperma (Indian swampweed)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1474932 FLCitrusWithlacoochee River2010 03100208 Withlacoocheeestablished
1474476 FLColumbiaSanta Fe River2010 03110206 Santa Feestablished
1475021 FLDixieSuwannee River (lower segment)2010 03110205 Lower Suwanneeestablished
1474438 FLHighlandsArbuckle Creek2010 03090101 Kissimmeeestablished
1475040 FLHillsboroughChannel G2010 03100206 Tampa Bayunknown
1474527 FLHillsboroughHillsborough River (above reservoir)2010 03100205 Hillsboroughestablished
1474618 FLHillsboroughRocky Creek (channel A)2010 03100206 Tampa Bayunknown
1474471 FLLakeLake Eustis2010 03080102 Oklawahaestablished
1474621 FLLakeLittle Lake Harris2010 03080102 Oklawahaestablished
1474592 FLLevyLake Rousseau2010 03100208 Withlacoocheeestablished
1474641 FLOrangeLake Conway2010 03090101 Kissimmeeestablished
1474935 FLOrangeLake Gatlin2010 03090101 Kissimmeeunknown
1474521 FLOsceolaAjay Lake2010 03090101 Kissimmeeestablished
1474449 FLOsceolaBoggy Creek2010 03090101 Kissimmeeestablished
1474680 FLOsceolaEast Lake Tohopekaliga2010 03090101 Kissimmeeestablished
1474936 FLOsceolaLake Gentry2010 03090101 Kissimmeeestablished
1475038 FLOsceolaLake Tohopekaliga2010 03090101 Kissimmeeestablished
1474448 FLOsceolaShingle Creek2010 03090101 Kissimmeeestablished
1474929 FLPalm BeachLake Ida2010 03090206 Florida Southeast Coastestablished
1474568 FLPalm BeachLake Mangonia2010 03090206 Florida Southeast Coastestablished
1474899 FLPalm BeachLake Osborne2010 03090206 Florida Southeast Coastestablished
1474563 FLPalm BeachLoxahatchee River2010 03090206 Florida Southeast Coastestablished
1474924 FLPalm BeachPine Lake2010 03090206 Florida Southeast Coastestablished
1474561 FLSeminoleLittle Wekiva River2010 03080101 Upper St. Johnsestablished
1320628 MSMonroeBecker Bottom Boat Ramp on the Aberdeen Pool of the Tenn-Tom. Waterway, east side of the lake2010 03160101 Upper Tombigbeeestablished

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.

Disclaimer:

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/15/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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