Japanese knotweed

Japanese knotweed (Reynoutria japonica or Fallopia japonica) is a highly invasive species of concern native to East Asia. The World Conservation Union categorizes it as one of the world's worst invasive specieshttp://www.issg.org/pdf/publications/worst_100/english_100_worst.pdf, and a single plant which was brought to the United Kingdom in 1850 spread its clones across the entirety of the British Isles; eradicating it in the UK is projected to cost some £1.25 billionhttps://www.telegraph.co.uk/news/earth/greenpolitics/11185356/Homeowners-who-fail-to-control-Japanese-knotweed-face-criminal-prosecution-under-new-anti-social-behaviour-laws.html.
== References ==
Category:Invasive Species of Concern
Category:Danger to Property