This species has more than one infraspecific taxon. For more details, please see the subspecies and varieties.
Characteristics
Flowering Plants
Fallopia japonica (Houtt.) Ronse Decr.
Japanese knotweed
**
Shrub
Perennial
0
**
Not Native
FACU (NWPL)
Classification
Subspecies and Varieties
Species Distribution Map
Based on vouchered plant specimens only. Click on a county to display its name.
Synonyms
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Range of years during which specimens were collected:
Plant Photos
