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

10 results for Myriophyllum heterophyllum (variable-leaf watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
234903 CTTollandBishops Swamp, Andover town2001 01100002 Shetucket Riverestablished
259840 CTTollandCrystal Lake2007 01100002 Shetucket Riverestablished
262428 CTTollandCrystal Lake2009 01100002 Shetucket Riverestablished
234915 CTTollandEllington town, Crystal Lake, at NE section of lake near cove1996 01100002 Shetucket Riverestablished
1247740 CTTollandLower Bolton Lake2013 01100002 Shetucket Rivereradicated
234912 CTTollandLower Bolton Lake, cove on west side of lake1993 01100002 Shetucket Rivereradicated
274890 CTTollandMiddle Bolton Lake, Vernon, CT. Growing on silt in 80 cm of water.2005 01100002 Shetucket Rivercollected
242044 CTTollandMiddle Bolton Pond1998 01100002 Shetucket Riverestablished
274891 CTTollandUpper Bolton Lake, Vernon and Tolland, CT. Growing on silt in 50 cm of water.2005 01100002 Shetucket Rivercollected
1409821 CTTollandUpper Bolton Pond, halfway between north and south on east side, close to land point2002 01100002 Shetucket Riverunknown

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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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/19/2024].

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