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Reynoutria japonica, Japanese knotweed(s)

Reynoutria japonica Houttuyn (1777)

Invalid synonym: Fallopia japonica, Polygonum cuspidatum

• Modern species

• Classification
• kingdom Plantae, Angiosperms, order Caryophyllales, family Polygonaceae, genus Reynoutria

• Distribution
• Pleistocene: Tochigi