Scotch thistle USDA PLANTS Symbol: ONAC
U.S. Nativity: Exotic
Habit: Herb
Onopordum acanthium L.
Taxonomic Rank: Magnoliopsida: Asterales: Asteraceae
Synonym(s): Scottish thistle, cotton thistle, heraldic thistle, Scotch cottonthistle
Native Range: Europe to cent. Asia ()

U.S. State(s) where reported invasive:

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U.S. National Parks where reported invasive:
Grand Canyon National Park (Arizona)