Specimen Information

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

Specimen ID1524501
Speciesverticillata [monoecious]
Common Namemonoecious hydrilla
LocalityDavis Stream
Mapping AccuracyAccurate
HUC8 NameSt. George-Sheepscot
HUC8 Number01050003
HUC10 NameJohns Bay-Boothbay Harbor
HUC10 Number0105000303
HUC12 NameDamariscotta Lake
HUC12 Number010500030302
Collection Month9
Collection Year2011
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 2011. 2014- 2016: No hydrilla detected. DEP annual diver Survey and Midcoast Conservancy monthly surveys. Lifted Surface Use restriction. 2013- Just a few hydrilla plants found by DEP diver survey and Midcoast conservancy surveys.
Record TypeLiterature
Earliest Recordlocale
VerifierMaine DEP


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/26/2022].

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