Fallopia japonica

ClassificationFlowering Plants
Family (Traditional)Polygonaceae
SpeciesFallopia japonica (Houtt.) Ronse Decr.
Common NameJapanese knotweed
Growth HabitShrub
Plant Notes**
C value N/A
StatusNot Native, Invasive, FACU (NWPL)
Specimens View and Download Specimen Details »

** Not applicable or data not available.


No synonyms exist for this species.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on an accession number to view full details; click on column headers to sort.

Counties included on distribution map: Howard

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: BUT

Range of years during which specimens were collected: -

Accession No. (click for full details) County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
49233 Howard 09/04/1935 Chas. W. Ek
Fallopia japonica (Houtt.) Ronse Decr.
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