Myriophyllum heterophyllum
Myriophyllum heterophyllum
(variable-leaf watermilfoil)
Plants
Native Transplant
Collection Info
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Species Profile
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26 results for Myriophyllum heterophyllum (variable-leaf watermilfoil)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1890741 CTLitchfield[No locality description provided]2025 01100005 Housatonic 
1891208 CTNew London[No locality description provided]2025 01100001 Quinebaug River 
1890204 MAWorcester[No locality description provided]2025 01070005 Concord River 
1890689 MECumberland[No locality description provided]2025 01060001 Presumpscot 
1891496 NB [No locality description provided]2025   
1891204 NHBelknap[No locality description provided]2025 01070001 Pemigewasset River 
1890329 NHBelknap[No locality description provided]2025 01070002 Winnipesaukee River 
1892152 NHGrafton[No locality description provided]2025 01080106 Black River-Connecticut River 
1891868 NHRockingham[No locality description provided; coordinates obscured by collector]2025 01060003 Piscataqua-Salmon Falls 
1891075 NYSt. Lawrence[No locality description provided]2025 04290003 Oswegatchie 
1890589 NYWarren[No locality description provided]2025 02020001 Upper Hudson 
1890590 NYWarren[No locality description provided]2025 02020001 Upper Hudson 
1889836 NYWarren[No locality description provided]2025 02020001 Upper Hudson 
1890644 ON [No locality description provided]2025 04220002 Lake Muskoka-Frontal Lake Huron 
1891218 ON [No locality description provided]2025   
1890320 QC [No locality description provided]2025   
1890800 QC [No locality description provided]2025   
1890764 QC [No locality description provided]2025 04300202 St. Francois River 
1890189 RIKent[No locality description provided]2025 01090004 Narragansett 
1890779 RIWashington[No locality description provided]2025 01100007 Pawcatuck River 
1889997 TXHardin[No locality description provided; coordinates obscured by collector]2025 12020006 Village 
1892191 TXHays[No locality description provided]2025 12100203 San Marcos 
1892887 TXTravis[No locality description provided; coordinates obscured by collector]2025 12090206 Pedernales 
1890414 TXTravis[No locality description provided]2025 12090205 Austin-Travis Lakes 
1890746 TXWilliamson[No locality description provided]2025 12070205 San Gabriel 
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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 [3/5/2026].

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