Weeds and invasive, non-native plants

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Guidance and regulation

• How to stop Japanese knotweed from spreading
  • Detailed guide
  • 17 February 2023
  • Environment Agency, Department for Environment, Food & Rural Affairs, and Natural England
• How to stop invasive non-native plants from spreading
  • Detailed guide
  • 2 February 2022
  • Natural England, Department for Environment, Food & Rural Affairs, and Environment Agency
• Stop ragwort and other harmful weeds from spreading
  • Detailed guide
  • 29 July 2019
  • Department for Environment, Food & Rural Affairs and Natural England
• Treatment and disposal of invasive non-native plants: RPS 178
  • Guidance
  • 1 August 2023
  • Environment Agency

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News and communications

• G7 conference one year on: 26 ways Cornwall has been made greener
  • 27 June 2022
  • Natural England
  • Press release
• Invasive Species Order 2019: consultation opens
  • 19 July 2019
  • Department for Environment, Food & Rural Affairs and Natural England
  • News story
• Nipping Floating Pennywort in the bud!
  • 3 April 2019
  • Environment Agency
  • Press release

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Research and statistics

• Invasive non-native species: challenges for the water environment
  • 22 October 2021
  • Environment Agency
  • Research

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Transparency and freedom of information releases

• Ragwort costs
  • 12 January 2021
  • Closed organisation: Highways England
  • Foi release

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Organisations

• Department for Environment Food & Rural Affairs

• Environment Agency
• Natural England