Specimen Information

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

Specimen ID257038
GroupPlants
GenusMyriophyllum
Speciesheterophyllum
Common Namevariable-leaf watermilfoil
StateVT
CountyOrange
LocalityHalls Lake, Newbury
Mapping AccuracyAccurate
HUC8 NameWaits
HUC8 Number01080103
HUC10 NameOliverian Brook-Connecticut River
HUC10 Number0108010307
HUC12 NameHalls Brook
HUC12 Number010801030702
Map
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Collection Day10
Collection Month10
Collection Year2008
Year AccuracyActual
Potential Pathwayreleased aquarium
Statusestablished
Reference 1
Ref. Number:27994
Author:FLOW.
Date:2015
Title:New aquatic invasive species confirmed in Lake Memphremagog
Publisher:Vermont Department of Environmental Conservation, Watershed Management Division
CommentsDiscovered in 2008. Appears limited to a two-acre cove at the southern end.
Record TypeNAS sighting report
Earliest Recordstate
VerifierRyan Thum, Grand Valley State University, MI
Freshwater/MarineFreshwater


Disclaimer:

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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/20/2021].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.