Specimen Information

Reynoutria japonica
(Itadori knotweed)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1667125
GroupPlants
GenusReynoutria
Speciesjaponica
Common NameItadori knotweed
StateWV
CountyRandolph
Localityca 3.2 km NNW of Harman, banks and floodplain of Dry Fork River and roadside along West Virginia 32
Mapping AccuracyApproximate
HUC8 NameCheat
HUC8 Number05020004
Map
Collection Day8
Collection Month8
Collection Year2008
Year AccuracyActual
Potential Pathwayunknown
Statusunknown
Reference 1
Ref. Number:26212
Author:GBIF
Date:2013
Title:Global Biodiversity Information Facility (GBIF) Database.
Publisher:Global Biodiversity Information Facility
Reference 2
Ref. Number:28178
Author:The New York Botanical Garden
Date:2018
Title:William and Lynda Steere Herbarium (NY)
Publisher:SEINet Data Portal
Record TypeSpecimen
DisposalHerbarium
Museum Cat Number1070907
VerifierD. E. Atha
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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/16/2025].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.