The five most common forage crop weeds reported in seed lots of perennial ryegrass and white clover. Values based on the percentage of seed lots with contaminant. Contaminants are listed in alphabetical order.

 
 
  Part of: Rubenstein JM, Hulme PE, Rolston MP, Stewart AV, Hampton JG (2023) A century of weed change in New Zealand’s forage seed multiplication industry. NeoBiota 85: 167-195. https://doi.org/10.3897/neobiota.85.100825