Specimen Information

Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Specimen ID237475
GroupPlants
GenusMyriophyllum
Speciesspicatum
Common NameEurasian watermilfoil
StateWA
CountyPierce
LocalityClear Lake
Mapping AccuracyAccurate
HUC8 NameNisqually
HUC8 Number17110015
HUC10 NameMiddle Nisqually River
HUC10 Number1711001502
HUC12 NameOhop Creek
HUC12 Number171100150203
Map
+
Collection Day6
Collection Month7
Collection Year1999
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
CommentsOriginally found in 1994; as of 1999 plants are in nearly monospecific patches, dominant and growing mostly at the south side.
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].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.