| Toxicity | Non-toxic. |
| Control | Mechcanical, biological, grazing and herbicide. Contact your County Weed District or local Applicator for more information. |
| Habitat | Lake shores, slow moving waters, irrigation ditches and wetlands. |
| Root | Reproduction by seed, vegetative bulbs on roots and flowers and by fragmentation of the roots. |
| Leaf Shape | Lance-shaped, smooth edges, triangular in cross-cut with twisted ends. |
| Lifespan | Perennial; two years or longer. |
| Priority 2A Weed | Common in isolated areas of Montana. |
| Similar Looking Plants | Bulrushes and true rushes. |
| Important Information | It is a very prolific plant. In deeper water, the plant grows submerged with floating leaves. It is believed that this plant will soon infest the entire Columbia River system. |
