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Carduus tenuiflorus

Naming
Scientific name: 
Carduus tenuiflorus
Primary Common name: 
slenderflower thistle
Characteristics
Species Category: 
herbaceous
Current Extent: 
widespread
Likelihood of Introduction: 
n/a (already in CA)
TSN: 
35789
References
Sources: 
CDFA Noxious Weed List
California Invasive Plant Inventory (Cal-IPC List)
Oregon Noxious Weed List
Washington Noxious Weed List