Myriophyllum heterophyllum
Myriophyllum heterophyllum
(variable-leaf watermilfoil)
Plants
Native Transplant

20 results for Myriophyllum heterophyllum (variable-leaf watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
888191 NYSuffolkBlydenburgh Pond aka New Mill Pond2008 02030201 Northern Long Islandestablished
888192 NYSuffolkCanaan Lake2004 02030202 Southern Long Islandestablished
257564 NYSuffolkCanaan Lake, Long Island2003 02030202 Southern Long Islandestablished
257568 NYSuffolkCanaan Lake, Long Island2008 02030202 Southern Long Islandestablished
888206 NYSuffolkGreat Patchogue Lake2006 02030202 Southern Long Islandestablished
888222 NYSuffolkLong Pond2006 02030202 Southern Long Islandestablished
888225 NYSuffolkLotus Lake2008 02030202 Southern Long Islandestablished
257566 NYSuffolkLower Lake (Carmans River), Yaphank2003 02030202 Southern Long Islandestablished
257567 NYSuffolkLower Lake (Carmans River), Yaphank2008 02030202 Southern Long Islandestablished
888228 NYSuffolkLower Vail Pond2006 02030201 Northern Long Islandestablished
888229 NYSuffolkLower Yaphank Lake2006 02030202 Southern Long Islandestablished
888236 NYSuffolkSans Souci Lake2008 02030202 Southern Long Islandestablished
257565 NYSuffolkUpper Lake (Carmans River) Yaphank2003 02030202 Southern Long Islandestablished
257569 NYSuffolkUpper Lake (Carmans River) Yaphank2008 02030202 Southern Long Islandestablished
888255 NYSuffolkUpper Vail Pond 2006 02030201 Northern Long Islandestablished
888256 NYSuffolkWebster Pond2009 02030201 Northern Long Islandestablished
888257 NYSuffolkWest Brook Pond2006 02030202 Southern Long Islandestablished
888258 NYSuffolkWillow Pond 2006 02030201 Northern Long Islandestablished
1740902 TXLiberty[No locality description provided]2017 12030203 Lower Trinity 
1751301 TXSan Jacinto[No locality description provided]2024 12030202 Lower Trinity-Kickapoo 

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/23/2026].

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