Family: Poaceae

High Risk Traits:

• Elevation range exceeds 1000 m, demonstrating environmental versatility
  
• Naturalized in areas with tropical or subtropical climates
  
• Widely naturalized, including on Kauai, Oahu, Molokai, Maui, and Hawaii island
  
• Disturbance-adapted weed of lawns, and turf grass
  
• Regarded as an environmental weed in Australia
  
• Other Agrostis species are invasive
  
• Pollen can be a sever allergen
  
• Shade-tolerant
  
• Tolerates many soil types
  
• Forms dense cover
  
• Reproduces by seeds and vegetatively by stolons and fragments
  
• Hybridizes with other Agrostis species
  
• Can reach maturity in one growing season
  
• Seeds dispersed by wind, water, by grazers consuming seeds as they feed on the plants and as a grass seed contaminant
  
• Seeds can persist in the soil for 1 year
  
• Tolerates mowing and grazing

Low Risk Traits:

• Unarmed (no spines, thorns or burrs)
  
• Provides fodder for livestock
  
• Non-toxic
  
• Ornamental and landscaping uses
  
• Self-sterile
  
• Herbicides can provide effective control