Specimen Information

Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Specimen ID234298
GroupPlants
GenusMyriophyllum
Speciesspicatum
Common NameEurasian watermilfoil
StateMD
CountyMontgomery
LocalitySeven Locks, Chesapeake and Ohio Canal
Mapping AccuracyAccurate
HUC8 NameMiddle Potomac-Catoctin
HUC8 Number02070008
HUC10 NameDifficult Run-Potomac River
HUC10 Number0207000810
HUC12 NameNichols Run-Potomac River
HUC12 Number020700081005
Map
+
Collection Day6
Collection Month9
Collection Year1952
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
Reference 1
Ref. Number:13276
Author:Neel, M. (director), J. Hall (curator), and N. Anderson.
Date:2014
Title:Norton-Brown Herbarium (MARY)
Publisher:University of Maryland
Record TypeLiterature
Museum Cat NumberMARY
VerifierNelson and Couch 1985
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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/26/2024].

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.