Family: Poaceae

High Risk Traits:

• Elevation range exceeds 1000 m, demonstrating environmental versatility
  
• Grows in tropical climates
  
• Naturalized in the Hawaiian Islands, North America, the Caribbean, & several locations in South America
  
• A disturbance adapted weedy grass with potential negative impacts on ranching & livestock
  
• Other Tragus species have become invasive
  
• Host of maize dwarf mosaic and sugarcane mosaic viruses
  
• Prolific seeder (1000s/m2)
  
• Annual grass, reaching maturity in one growing season
  
• Seeds dispersed by means of hooked prickles arising from the upper glume which aid in attachment to clothing, fur, etc.
  
• Seeds also moved by water, wind, and as a contaminant
  
• Forms a persistent seed bank

Low Risk Traits:

• Palatable to grazing animals (although not a preferred forage grass)
  
• Non-toxic
  
• Requires full sun
  
• Not known to spread vegetatively