Family: Poaceae

High Risk Traits:

• Naturalized and invasive in multiple regions
  
• Broad environmental tolerance (soil, moisture, light)
  
• High seed production (>100,000 per inflorescence)
  
• Multiple dispersal vectors (wind, water, human, animal)
  
• Forms dense, monotypic stands
  
• Increases fire hazard
  
• Sharp leaves cause injury
  
• Listed as a noxious weed in many areas
  
• Can flower in 1–2 years
  
• Resprouts after fire or cutting

Low Risk Traits:

• Not allelopathic or parasitic
  
• Not toxic to animals or humans
  
• Palatable to livestock
  
• No persistent seed bank (>6 months)
  
• Can be controlled with herbicides