Family: Asteraceae

High Risk Traits:

• Elevation range exceeds 1000 m in temperate climates
  
• Reported to be naturalized in North America
  
• Possibly toxic if ingested and handling may cause dermatitis
  
• Seeds dispersed by wind and intentionally by people
  
• Able to spread vegetatively by rhizomes
  
• Able to reach maturity in 1-2 years

Low Risk Traits:

• No reports of invasiveness or detrimental impacts found
  
• Unarmed (no spines, thorns or burrs)
  
• Provides fodder for livestock (palatable despite reports of toxicity)
  
• Medicinal uses
  
• Self-incompatible
  
• Seeds lack dormancy, and does not form a persistent seed bank