Specimen Information

Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Specimen ID243822
GroupPlants
GenusMyriophyllum
Speciesspicatum
Common NameEurasian watermilfoil
StateWA
CountyBenton
LocalityColumbia River, Lake Umatilla, NW of Crow Butte State Park.
Mapping AccuracyAccurate
HUC8 NameMiddle Columbia-Lake Wallula
HUC8 Number17070101
HUC10 NameMiddle Lake Umatilla
HUC10 Number1707010109
HUC12 NameLower Dead Canyon-Lake Umatilla
HUC12 Number170701010905
Map
+
Collection Day31
Collection Month8
Collection Year2006
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:17305
Author:Draheim, R., M. Sytsma, R. Miller, and J. Cordell.
Date:2007
Title:Middle Columbia River Aquatic Nonindigenous Species Survey.
Publisher:Portland State University.
Pages:65
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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/28/2024].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.