Hygrophila polysperma
Hygrophila polysperma
(Indian swampweed)
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Exotic
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6 results for Hygrophila polysperma (Indian swampweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1474441 FLSarasotaLower Myakka Lake1996 03100102 Myakkaunknown
1474944 FLSarasotaMyakka River2003 03100102 Myakkaunknown
1474973 FLSarasotaMyakka River2007 03100102 Myakkaunknown
231876 FLSarasotaMyakka River State Park, Upper Lake Myakka, T37S, R20E, Sec. 111984 03100102 Myakkaestablished
231875 FLSarasotaMyakka River, 1/4 mi. S of the bridge along the hiking trail, T37S, R20E, Sec.21, SW1/4 of SE 1/41992 03100102 Myakkaestablished
1474857 FLSarasotaUpper Myakka Lake1995 03100102 Myakkaunknown

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 [1/30/2025].

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