Specimen Information

Eichhornia crassipes
Eichhornia crassipes
(common water-hyacinth)

Specimen ID1409828
Common Namecommon water-hyacinth
LocalityPinnacle Valley, immediately E of Lake Waramug. On Franklin parcel immediatley N/ NE of right-of-way that runs up the valley
Mapping AccuracyAccurate
HUC8 NameHousatonic
HUC8 Number01100005
HUC10 NameCandlewood Lake-Housatonic River
HUC10 Number0110000506
HUC12 NameEast Aspetuck River
HUC12 Number011000050602
Collection Day13
Collection Month10
Collection Year2004
Year AccuracyActual
Potential Pathwayhitch hiker | dispersed
Reference 1
Ref. Number:29921
Author:Mehrhoff, L.J., J.A. Silander, Jr., S.A. Leicht, E.S. Mosher, and N.M. Tabak
Title:IPANE: Invasive Plant Atlas of New England
Publisher:Department of Ecology and Evolutionary Biology, University of Connecticut
Reference 2
Ref. Number:24369
Author:Center for Invasive Species and Ecosystem Health.
Title:EDDMapS: Early detection and distribution mapping system
Publisher:The University of Georgia
CommentsEutrophic farm pond at old farmstead. Lawn borders most of eastern edge of pond but is minimally maintained as is rest of property. Communication w/landowner revealed that Eichornia did not overwinter; introduced to pond earlier in the season. Source of;
Record TypeLiterature
Number Collected1-20 plants
Year ClassFlowers


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 [6/24/2024].

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.