Hygrophila polysperma
Hygrophila polysperma
(Indian swampweed)
Plants
Exotic

25 results for Hygrophila polysperma (Indian swampweed)
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Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1656961 TXBexarSan Antonio River [at Brackenridge Park]2020 12100301 Upper San Antonioestablished
1656962 TXBexarSan Antonio River at Brackenridge Park at Red Oak Road2018 12100301 Upper San Antonioestablished
1708662 TXComal[No locality description provided]2021 12100202 Middle Guadalupe 
230453 TXComalComal River, Landa Park, New Braunfels, ca. 100 m upstream of Pecan Island.1994 12100202 Middle Guadalupeestablished
230467 TXComalComal River, Landa Park, New Braunfels, in spring run underneath Landa Dr.1994 12100202 Middle Guadalupeestablished
1676618 TXComalNew Braunfels, TX, USA2020 12100202 Middle Guadalupe 
1471070 TXGuadalupeDunlap Reservoir2005 12100202 Middle Guadalupeestablished
1471192 TXGuadalupeDunlap Reservoir2009 12100202 Middle Guadalupefailed
1471292 TXGuadalupeLake McQueeney2004 12100202 Middle Guadalupeunknown
230475 TXHaysRio Vista Park, Purgatory Island, San Marcos1994 12100203 San Marcosestablished
230472 TXHaysSan Marcos River at Thompson's Island below county road bridge.1991 12100203 San Marcosestablished
230474 TXHaysSan Marcos River, at University Blvd.1991 12100203 San Marcosestablished
230468 TXHaysSan Marcos River, below Southwest Texas State University campus1969 12100203 San Marcosestablished
230470 TXHaysSan Marcos River, downstream from Clear Springs Apts. spillway.1976 12100203 San Marcosestablished
230476 TXHaysSan Marcos River, Lions' Park area, San Marcos1994 12100203 San Marcosestablished
230477 TXHaysSan Marcos River, Sewall Park, San Marcos1994 12100203 San Marcosestablished
230473 TXHaysSan Marcos River, upstream from Purgatory Island.1991 12100203 San Marcosestablished
230469 TXHaysSessoms Creek, mouth of creek1975 12100203 San Marcosestablished
230478 TXHaysSouthwest Texas State University, pond beside Freeman Bldg.1994 12100203 San Marcosestablished
230479 TXHaysSouthwest Texas State University, pond directly in from ot J.C. Kellam Bldg.1994 12100203 San Marcosestablished
230471 TXHaysSouthwest Texas State University, raceway in gravel substrate.1976 12100203 San Marcosestablished
862521 TXHaysSpring Lake2015 12100203 San Marcosestablished
1471168 TXMarionCaddo Lake2013 11140306 Caddo Lakeunknown
1674599 TXVal VerdeSan Felipe Creek, Del Rio, TX, US2020 13080001 Elm-Sycamore 
230466 TXVal VerdeSan Felipe Springs1998 13080001 Elm-Sycamoreestablished

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. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/2/2023].

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