|Humans and livestock.
|Hand pulling/digging, mowing, biological and herbicide. Contact your county weed district or local Applicator for more information.
|Pastures, waste areas, roadsides and sandy, gravelly soil.
|Extensive, deep root system.
|Linar or oblong with rounded or pointed tips.
|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.
|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.