Family: Poaceae

High Risk Traits:

• Elevation range exceeds 1000 m, demonstrating environmental versatility
  
• Grows in tropical climates
  
• Naturalized in Taiwan
  
• Described as a weed in some locations
  
• Pollen is a moderate allergen to humans
  
• May increase fire risk in fire prone areas
  
• Tolerates many soil types
  
• Forms pure stands in native range
  
• Reproduces by seeds and rhizomes
  
• Certain forms are apomictic
  
• Reaches maturity in 2-3 growing seasons
  
• Seeds dispersed by water, internally by grazing animals, and intentionally by people
  
• Tolerant of grazing, mowing and fire

Low Risk Traits:

• Unarmed (no spines, thorns or burrs)
  
• Provides fodder and hay for grazing animals
  
• Ornamental