Specimen Information

Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Specimen ID237495
GroupPlants
GenusMyriophyllum
Speciesspicatum
Common NameEurasian watermilfoil
StateWA
CountyPend Oreille
LocalitySacheen Lake
Mapping AccuracyAccurate
HUC8 NameLittle Spokane
HUC8 Number17010308
HUC10 NameUpper Little Spokane River
HUC10 Number1701030801
HUC12 NameHorseshoe Lake-West Branch Little Spokane River
HUC12 Number170103080106
Map
+
Collection Day2
Collection Month8
Collection Year2002
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:15927
Author:Parsons, J.
Date:2005
Title:Annual Washington State Aquatic Plant Survey Database.
Publisher:Washington Department of Ecology .
Volume:2005
CommentsFirst found in 1990. Plants in 2005 reported as very healthy looking with a wide patchy distribution.
Record TypeLiterature
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/28/2024].

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