Specimen Information

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

Specimen ID1256798
GroupPlants
GenusMyriophyllum
Speciesheterophyllum
Common Namevariable-leaf watermilfoil
StateNH
CountyCarroll
LocalityLees Pond
Mapping AccuracyAccurate
HUC8 NameWinnipesaukee River
HUC8 Number01070002
HUC10 NameLake Winnipesaukee
HUC10 Number0107000201
HUC12 NameShannon Brook-Frontal Moultonborough Bay
HUC12 Number010700020103
Map
+
Collection Year1975
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:33984
Author:Smagula, A.P., R. Scott, C. Freise, and R. Pelletier
Date:2017
Title:Exotic Species Program Report: 2013-2017
Publisher:New Hampshire Department of Environmental Services
Pages:102 pp
CommentsDiscovered a larval form of Paraponyx allionealis (an aquatic moth) on Myriophyllum heterophyllum in 1991. This led to researching the insect as a biological control, however it was not selective to only variable-leaf milfoil.
Record TypeLiterature
VerifierAmy Smagula, NH DES
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/11/2022].

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