Specimen Information

Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Specimen ID1467925
GroupPlants
GenusMyriophyllum
Speciesspicatum
Common NameEurasian watermilfoil
StateOR
CountyClatsop
Locality[Columbia River, near Astoria Bridge]
Mapping AccuracyAccurate
HUC8 NameLower Columbia
HUC8 Number17080006
HUC10 NameBig Creek-Frontal Columbia River
HUC10 Number1708000601
HUC12 NameBear Creek-Frontal Columbia River
HUC12 Number170800060103
Map
+
Collection Day18
Collection Month7
Collection Year2018
Year AccuracyActual
Potential Pathwaydispersed | hitch hiker
Statusestablished
Reference 1
Ref. Number:25944
Author:Ueda, K., J. Belmonte, A. Shepard, P. Leary, and S. Loarie.
Date:2021
Title:iNaturalist.org
Publisher:California Academy of Sciences
CommentsiNaturalist report
Record TypeLiterature
VerifierIan Pfingsten
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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/11/2022].

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.