Kingdom: Plantae (2659)
Phylum: Tracheophyta (2572)
Class: Magnoliopsida (2167)
Order: Caryophyllales (112)
Family: Polygonaceae (30)(family description)
Genus: Reynoutria (2)
Epithet: sachalinensis (F.Schmidt) Nakai (1)
sachalinensis => from Sakhalin, Russian island in the North Pacific Ocean