Family: Liliaceae

High Risk Traits:

• Broad climate suitability (5 hardiness zones)
  
• Naturalized in Massachusetts
  
• Possibly unpalatable
  
• Shade-tolerant
  
• Tolerates many soil types
  
• Reproduces by seed
  
• Self-compatible
  
• May be able to spread vegetatively (contradictory evidence)
  
• Seeds dispersed by wind, possible water and intentionally by people
  
• Limited ecological information reduces accuracy of risk prediction

Low Risk Traits:

• No reports of invasiveness
  
• Unarmed (no spines, thorns, or burrs)
  
• Ornamental