Persicaria hydropiper (Water-pepper)

Systematics :

Kingdom: Plantae
Artificial group: Vascular plant (Tracheophytes)
Superphylum: Spermatophyte
Phylum: Magnoliophyta
Subclass: Magnoliidae
Family: Polygonaceae
Genus: Persicaria
Species: Water-pepper (Persicaria hydropiper)

Other names: vasspepar

Norwegian name: Vasspepper