Specimen Information

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

Specimen ID1418365
Common Namevariable-leaf watermilfoil
LocalityPurgatory Stream
Mapping AccuracyAccurate
HUC8 NameLower Kennebec River
HUC8 Number01030003
HUC10 NameCobbosseecontee Stream
HUC10 Number0103000323
HUC12 NameUpper Cobbosseecontee Stream
HUC12 Number010300032308
Collection Month6
Collection Year2010
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft | dispersed waterfowl
Reference 1
Ref. Number:30401
Author:Schaffner, B.
Title:Maine DEP Invasive Aquatic Plant Map
Publisher:Maine Department of Environmental Protection
CommentsDiscovery 2010: Cobbossee Watershed District staff discovered the plant in flower. This infested area on Purgatory Stream is approximately .8 mile downstream of the Woodbury Pond outlet dam and just upstream (and impounded by) the Purgatory Stream Dam, below which Purgatory Stream continues into Cobbossee Stream.
Record TypeLiterature
Earliest Recordlocale
VerifierMaine DEP


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/23/2024].

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