Rattlesnakeroot (Prenanthes) -

• Purple Rattlesnakeroot (Racemosa)
  Purple Rattlesnakeroot, Purple Rattlesnakeroot
• Dwarf Rattlesnakeroot (Nana)
  
• Roan Mountain Rattlesnakeroot (Roanensis)
  
• Arrowleaf Rattlesnakeroot (Sagittata)
  
• Gall Of The Earth (Trifoliolata)
  
• Cankerweed (Serpentaria)
  
• Mainensis (Mainensis)
  
• Nodding Rattlesnakeroot (Crepidinea)
  
• Tall Rattlesnakeroot (Altissima)
  
• White Rattlesnakeroot (Alba)
  
• Rough Rattlesnakeroot (Aspera)
  
• Slender Rattlesnakeroot (Autumnalis)
  
• Alpine Rattlesnakeroot (Boottii)
  
• Barbed Rattlesnakeroot (Barbata)
  
• Western Rattlesnakeroot (Alata)