Specimen Information

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

Specimen ID1668963
GroupPlants
GenusReynoutria
Speciesjaponica
Common NameItadori knotweed
StateMD
CountyMontgomery
LocalityGlen Echo Junction C. & O. Canal
Mapping AccuracyApproximate
HUC8 NameMiddle Potomac-Catoctin
HUC8 Number02070008
Map
+
Collection Day19
Collection Month7
Collection Year1916
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:16075
Author:Smithsonian Institution
Date:2019
Title:United States National Herbarium (US)
Publisher:Department of Botany, Smithsonian Institution
Record TypeSpecimen
DisposalHerbarium
Museum Cat NumberUS 643421
Freshwater/MarineFreshwater
Number Collected1
Year ClassFlowering

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 [12/3/2024].

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.