Myriophyllum heterophyllum
Myriophyllum heterophyllum
(variable-leaf watermilfoil)
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Native Transplant
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39 results for Myriophyllum heterophyllum (variable-leaf watermilfoil)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
234901 CTMiddlesexPattaconk Lake (Russell Jennings Pond)2001 01080205 Outlet Connecticut Riverestablished
234913 CTNew LondonGlasgo Pond, Griswold town2001 01100001 Quinebaug Riverestablished
234918 CTNew LondonLong Pond, North Stonington2001 01100003 Thamesestablished
234930 CTNew LondonPattagansett Lake, East Lyme town2001 01100003 Thamesestablished
234903 CTTollandBishops Swamp, Andover town2001 01100002 Shetucket Riverestablished
242095 MAHampdenCove of Hamilton Reservoir east of Mashapaug Road and north of Forest Road2001 01100001 Quinebaug Riverestablished
234871 MAWorcesterChauncy Lake, SW corner near boat ramp, Westborough town2001 01070005 Concord Riverestablished
1418399 MEAndroscogginMiddle Range Pond2001 01040002 Lower Androscoggin Rivereradicated
1872572 MEAndroscogginMiddle Range Pond2001 01040002 Lower Androscoggin River 
1418377 MECumberlandDundee Pond2001 01060001 Presumpscotestablished
1872555 MECumberlandDundee Pond2001 01060001 Presumpscot 
1872540 MECumberlandLittle Sebago Lake2001 01060001 Presumpscot 
1418349 MECumberlandLittle Sebago Lake2001 01060001 Presumpscotestablished
1872556 MECumberlandMill Pond2001 01060001 Presumpscot 
1418390 MECumberlandMill Pond2001 01060001 Presumpscotestablished
1872565 MECumberlandNorth Gorham Pond2001 01060001 Presumpscot 
1418380 MECumberlandNorth Gorham Pond2001 01060001 Presumpscotestablished
1872564 MECumberlandPresumpscot River2001 01060001 Presumpscot 
1418368 MECumberlandPresumpscot River2001 01060001 Presumpscotestablished
234330 MECumberlandstream between Pleasant Lake and Parker Pond2001 01060001 Presumpscotestablished
234325 MECumberland/AndroscogginThompson Lake, throughout the lake, esp. "The Heath" at S end and at confluence of Greeley Brook.2001 01040002 Lower Androscoggin Riverestablished
234328 MEKennebecMessalonskee Lake, including Belgrade Stream, where it enters the lake, and Messalonske Stream2001 01030003 Lower Kennebec Riverestablished
1872529 MEKennebecPleasant Pond2001 01030003 Lower Kennebec River 
1524502 MESagadahocPleasant Pond2001 01030003 Lower Kennebec Riverestablished
273710 MEYorkBalch and Stump Pond2001 01060002 Saco Riverestablished
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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 [2/21/2026].

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