Specimen Information

Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Specimen ID237476
GroupPlants
GenusMyriophyllum
Speciesspicatum
Common NameEurasian watermilfoil
StateWA
CountyWahkiakum
LocalityColumbia River at Cathlamet
Mapping AccuracyAccurate
HUC8 NameLower Columbia-Clatskanie
HUC8 Number17080003
HUC10 NameCathlamet Channel-Columbia River
HUC10 Number1708000309
HUC12 NameCathlamet Channel-Columbia River
HUC12 Number170800030900
Map
+
Collection Day11
Collection Month7
Collection Year2005
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
CommentsOnly floating fragments observed; no rooted plants.
Record TypeLiterature
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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/27/2021].

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