Family: Ranunculaceae

High Risk Traits:

• Temperate vine (marginal in subtropics)
  
• Broad climate suitability (in temperate areas)
  
• Widely naturalized
  
• Landscaping and garden weed
  
• An environmental weed
  
• Many Clematis species have become invasive
  
• Unpalatable and presumably toxic to animals
  
• Tolerates many soil types
  
• Shade-tolerant
  
• Overtops and smothers other vegetation
  
• Wind-dispersed seeds
  
• Seeds may be dispersed as a contaminant of mulch
  
• Reaches maturity in 2+ years
  
• Tolerates and resprouts after repeated cutting

Low Risk Traits:

• Temperate climate; may only be a threat to higher elevation areas in tropical islands
  
• Showy flowers
  
• Herbicides may provide effective control