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Malheur Experiment Station
Oregon State University

Onopordum acanthium

Scotch thistle (Onopordum acanthuim) Onopordum acanthium
Common Names Scotch thistle
Family Composites, Sunflower
Flower Color Purple
Plant Type Forb
Native No
Weed Noxious

Scotch thistle (Onopordum acanthuim) Scotch thistle (Onopordum acanthuim) Scotch thistle (Onopordum acanthuim) Scotch thistle (Onopordum acanthuim)

musk and scotch thistle (Carduus nutans and Onopordum acanthium)

The Musk thistle is on the left and
the Scotch thistle is on the right. Scotch thistle

For additional information please send an e-mail request to:
Dr. Clinton C. Shock
Clinton.Shock@oregonstate.edu

Malheur Agricultural Experiment Station
595 Onion Avenue
Ontario, OR 97914
(541) 889-2174
FAX (541) 889-7831

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