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The Mission of the Yellowstone County Weed Department is to assist the public, private, and other government agencies to manage and control existing noxious weed infestations as well as to prevent new invasive species from infesting Yellowstone County.
Common ReedPhragmites australis ssp. australis
Photo from Montana Weed Control Association
Photos from Montana Weed Control Association
Video Supplied By Montana Weed Control Association
| Attribute | Description |
|---|---|
| Toxicity | Non-toxic. |
| Control | Mowing and aquatic herbicide. Contact your County Weed District or local Applicator for more information. |
| Habitat | Interior wetlands, lake margins, roadside ditches, and other low, wet areas. |
| Root | Horizontal roots producing new shoots. |
| Leaf Shape | Long, flat and lance-shaped. |
| Lifespan | Perennial; two years or longer. |
| Priority 1A Weed | Not present or limited presence in Montana. If you think you've found this plant, please contact your county weed coordinator or MT Department of Agriculture immediately! |
| Similar Looking Plants | Native common reed. |
| Important Information | Native Phragmites can contain little black spots, which are from a fungus that only affects the native species, so it is a good identifier. Proper identification of this plant is difficult, so please consult an expert for proper ID. |