Specimen Information

Hydrilla verticillata [monoecious]
Hydrilla verticillata [monoecious]
(monoecious hydrilla)
Plants
Exotic

Specimen ID263467
GroupPlants
GenusHydrilla
Speciesverticillata [monoecious]
Common Namemonoecious hydrilla
StateME
CountyLincoln
LocalityCranberry Cove, Damariscotta Lake (near Jefferson)
Mapping AccuracyAccurate
HUC8 NameSt. George-Sheepscot
HUC8 Number01050003
HUC10 NameJohns Bay-Boothbay Harbor
HUC10 Number0105000303
HUC12 NameDamariscotta Lake
HUC12 Number010500030302
Map
+
Collection Day23
Collection Month9
Collection Year2009
Year AccuracyActual
Potential Pathwayreleased aquarium | dispersed waterfowl | hitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:18858
Author:Anonymous
Date:2009
Title:Highly aggressive invasive plant found in Damariscotta Lake.
Publisher:The Maine Public Broadcasting Network
Issue:24 September
Reference 2
Ref. Number:18865
Author:Gregory, P.
Date:2009
Title:State biologists confirm hydrilla infestation in Damariscotta Lake.
Publisher:Maine Department of Environmental Protection, Augusta, ME.
Reference 3
Ref. Number:18125
Author:Invasive Aquatic Species Program, Maine Department of Environmental Protection.
Date:2015
Title:Maine DEP 2015 Invasive Aquatic Plant Map
Publisher:Maine Department of Environmental Protection, Augusta, Maine.
Volume:2007
Issue:March
Reference 4
Ref. Number:30850
Author:Stevenson, A.
Date:2017
Title:No Hydrilla in Damariscotta Lake for the first time since 2009
Publisher:Boothbay Register
CommentsDiscovery 2009. Discovered by Invasive Plant Patroller confirmed by VLMP and DEP. 2011-2016: Maine DEP Midcoast Conservancy Survey Damariscotta lake and lagoon for hydrilla. Scattered plant is removed around the barriers in the lagoon. No plant found outside of lagoon. 2010: Damariscotta Lake Watershed Association mobilized volunteers. Not seen since 2016. Only second location in the state.
Record TypeLiterature
Earliest Recordlocale
VerifierMaine DEP
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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/18/2020].

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