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Onopordum acanthium

Naming
Scientific name: 
Onopordum acanthium
Primary Common name: 
Scotch thistle
Characteristics
Species Category: 
herbaceous
Current Extent: 
limited
Likelihood of Introduction: 
n/a (already in CA)
References
Sources: 
CDFA Noxious Weed List
California Invasive Plant Inventory (Cal-IPC List)
Arizona Noxious Weed List
Colorado Noxious Weed List
Idaho Noxious Weed List
New Mexico Noxious Weed List
Nevada Noxious Weed List
Oregon Noxious Weed List
Utah Noxious Weed List
Washington Noxious Weed List
Wyoming Noxious Weed List