Stor igelknopp (grenigelknopp, kantvass, vanlig storigelknopp)
Sparganium erectum L.
Kantvass (Stor igelknopp, grenigelknopp, vanlig storigelknopp) - Sparganium erectum

Flowers or seedcapsules for cutting; water- or marshplants; 
VI-VII, Z5-8, 50 cm;
Bur-reed, round blossoms, decorative round prickly fruits until winter.

Jõgitakjas
Stor igelknopp, grenigelknopp, kantvass, vanlig storigelknopp. Bot. syn.: Sparganium neglectum Beeby, Sparganium ramosum Huds. Sparganium polyedrum.