Family: Arecaceae

High Risk Traits:

• Trunk bears short spines
  
• Forms dense, invading thickets
  
• Reproduces vegetatively (suckering)
  
• Intentionally dispersed by people
  
• Water-dispersed (floats in streams/floods)

Low Risk Traits:

• No evidence of naturalization or weediness
  
• Non-toxic to animals and humans
  
• Large seeds (not prolific, no persistent seed bank)
  
• Not bird-dispersed; no external animal dispersal