Callitriche hamulata

Systematics :

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

Norwegian name: Klovasshår

Confusion species: Callitriche cophocarpa, Callitriche stagnalis, Callitriche verna