Toxicity | Humans and livestock. |
Control | Hand pulling/digging, mowing, biological and herbicide. Contact your county weed district or local Applicator for more information. |
Habitat | Pastures, waste areas, roadsides and sandy, gravelly soil. |
Root | Extensive, deep root system. |
Leaf Shape | Linar or oblong with rounded or pointed tips. |
Lifespan | Perennial; two years or longer. |
Priority 2B Weed | Abundant in Montana and widespread in many counties. |
Similar Looking Plants | Ornamental St. Johnswort and tansy ragwort. |
Important Information | Plant contains a toxic substance which causes skin sores/rash and sun sensitivity in humans and animals. This plant is purported to have numerous medicinal properties. |