Family: Bromeliaceae

High Risk Traits:

• Broad natural distribution, and elevation range exceeds 1000 m, demonstrating environmental versatility
  
• Thrives in tropical climates
  
• Naturalized on Oahu, Hawaiian Islands and in Australia
  
• Described as a pest in pecan orchards
  
• Other Tillandsia species have become invasive
  
• Flammable and could increase fire risk when densely covering trees
  
• Produces seeds (rarely in cultivation)
  
• Spreads vegetatively by fragments dispersed by wind, birds, water and people
  
• Seeds dispersed by wind
  
• Able to regrow after breaking or damage

Low Risk Traits:

• Generally regarded as a desirable native or ornamental where grown
  
• Unarmed (no spines, thorns or burrs)
  
• Provides fodder for livestock
  
• Non-toxic
  
• Limited seed production in cultivation
  
• Herbicides may provide effective control