Specimen Information

Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Specimen ID1815755
GroupPlants
GenusMyriophyllum
Speciesspicatum
Common NameEurasian watermilfoil
StateOR
CountyMultnomah
LocalityMultnomah Channel
Mapping AccuracyAccurate
HUC8 NameLower Willamette
HUC8 Number17090012
HUC10 NameMultnomah Channel
HUC10 Number1709001203
HUC12 NameMultnomah Channel
HUC12 Number170900120305
Map
Collection Day23
Collection Month9
Collection Year2015
Year AccuracyActual
Reference 1
Ref. Number:45006
Author:NatureServe
Date:2025
Title:iMapInvasives: NatureServe’s online data system supporting strategic invasive species management
Publisher:NatureServe
CommentsiMapInvasives source record
Record TypeLiterature
VerifierMichelle Delepine


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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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/11/2025].

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