Persicaria amphibia (Amphibious Bistort)

Systematics :

Kingdom: Plantae
Artificial group: Vascular plant (Tracheophytes)
Superphylum: Spermatophyte
Phylum: Magnoliophyta
Subclass: Magnoliidae
Family: Polygonaceae
Genus: Persicaria
Species: Amphibious Bistort (Persicaria amphibia)

Other names: vass-slirekne

Norwegian name: Vasslirekne