Specimen Information

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

Specimen ID1524487
Common Namevariable-leaf watermilfoil
LocalityCobbossee Stream
Mapping AccuracyAccurate
HUC8 NameLower Kennebec River
HUC8 Number01030003
HUC10 NameCobbosseecontee Stream
HUC10 Number0103000323
HUC12 NameCold Stream
HUC12 Number010300032307
Collection Month6
Collection Year2002
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 2002: A local landowner reported variable-leaf milfoil which was confirmed by DEP. Colonies found along the east and west shores of Cobbossee Stream with smaller patches found upstream beyond the Route 126 bridge, and in Horsehoe Pond. Currently managed with Diver Assisted Suction harvester and barriers.
Record TypeLiterature
Earliest Recordlocale
VerifierMaine DEP


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Citation information: U.S. Geological Survey. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/2/2023].

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