Distinguishing Features
Up to eight feet tall.
Rosette (small cluster of leaves close to the ground)
forms the first year and can have leaves two feet long and
one foot wide.
Leaves are large, hairy, coarsely lobed, and have a
velvet-grey appearance. They are spiny-edged and form leaf
wings.
Flowers are globe shaped, upright, spiny and purple to
violet in color. They are borne in midsummer in groups of
two or three on branch tips.
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If You Spot This Culprit,
Report the location to a local land manager
or park ranger.
Avoid walking on, driving on, or camping in infested
areas.
Remove all weed seeds from your clothing, shoes, pets,
camping gear, and tire treads before moving on.
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