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Scotch thistle



SCOTCH THISTLE
Scientific name:  Onopordum acanthium

Photos: Kelly Uhing
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Scotch thistle fact sheet (PDF)

Photo of a Scotch Thistle, a Colorado Noxious Weed Photo of a Scotch Thistle, a Colorado Noxious Weed Photo of a Scotch Thistle, a Colorado Noxious Weed Photo of a Scotch Thistle, a Colorado Noxious Weed

Picture of a map that shows infestation.