Waterfowl eat seeds and roots. Soft-stem bulrush has stout round stem, up to 8 feet tall. Ducks and geese eat seeds, geese root out tubers. This is a cover plant. Central stem with flowers and seeds.
Underground runners give rise to tubers like a small potato.
Rooted out by geese. Stout stem with showy flower head. Leaves blunt arrowhead shaped. Plant grows in dense colonies. The heads break apart easily.