Where do invasive plants originate?
Human impact on the environment is widespread and global. Over time, people have transported plants with unique properties and uses to new environments to provide food crops, fibre and ornamental species. Modern global transportation of people and goods, along with increase international trade, has also facilitated the unintended transport of plants. Although many of these plants have improved the well being of people around the world, other species have found their new environments extremely conducive to rapid establishment and growth, often to the detriment of natural ecosystems, wildlife, agricultural crops and livestock. Does British Columbia currently have invasive plant species? The British Columbia Weed Control Act designates 48 plant species as noxious; 21 are listed for all regions and the remaining 27 are regionally listed. Other invasive species – such as Scotch broom, purple loosestrife, Japanese knotweed, Himalayan blackberry and many others – lack this designation but nev
