Specimen Information

Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Specimen ID261483
GroupPlants
GenusMyriophyllum
Speciesspicatum
Common NameEurasian watermilfoil
StateVA
CountyWestmoreland
LocalityLower Machodoc Creek, tributary of Potomac River
Mapping AccuracyAccurate
HUC8 NameLower Potomac
HUC8 Number02070011
HUC10 Name0207001110-Potomac River
HUC10 Number0207001110
HUC12 NamePotomac River Channel
HUC12 Number020700111001
Map
+
Collection Year1960
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
Reference 1
Ref. Number:10138
Author:Carter, V., and N.B. Rybicki
Date:1994
Title:Invasions and declines of submersed macrophytes in the tidal Potomac River and Estuary, the Currituck Sound-Back Bay system, and the Pamlico River Estuary.
Journal:Journal of Lake and Reservoir Management
Volume:10
Issue:1
Pages:39-48
Reference 2
Ref. Number:10150
Author:Maryland Department of Research and Education
Date:1961
Title:Milfoil invades Chesapeake.
Publisher:Chesapeake Biological Laboratory, Maryland Department of Research and Education
Pages:4 pp
Record TypeLiterature
Earliest Recordcounty
Freshwater/MarineFreshwater-Brackish


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 [9/28/2022].

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.