Callitriche sp.

Systematics :

Kingdom: Plantae
Artificial group: Vascular plant (Tracheophytes)
Superphylum: Spermatophyte
Phylum: Magnoliophyta
Subclass: Magnoliidae
Family: Plantaginaceae
Genus: Callitriche
Species (sp.): Callitriche sp.

Norwegian name: Vasshår