Characteristics
Dicots
Reynoutria japonica Houtt.
JAPANESE KNOTWEED
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Reynoutria sachalinensis and R. x bohemica are very similar and difficult to distinguish from R. japonica (Freeman & Hinds in FNA, vol. 5).
Not Native
UPL (NWPL)
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Classification
Citation
REYNOUTRIA JAPONICA Houttuyn, Nat. Hist. 2(8): 640, t. 51(1). 1777.
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JAPAN:
Species Distribution Map
Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. Click on a county to display its name.
Source
County
Herbaria
Literature Citation (If Applicable)
No sources found
Synonyms
Synonym
Full Citation
Basionym
Type
No synonyms found
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Counties listed:
Range of years during which specimens were collected:
Accession No.
Country
State
County
Collection Date
Collector & Collection No
Notes
Image
No specimens found