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Facts and Figures

 

  • Invasive plants can produce significant changes to vegetation, composition, structure, or ecosystem function.
  • The annual cost to the United States economy is estimated at $120 billion (more than $30 billion from plants alone) a year, with over 133 million acres (an area roughly the size of California and New York combined) suffering from invasive plant infestations.
  • Invasive species have contributed directly to the decline of 42% of the threatened and endangered species in the United States.
  • Approximately half of the poisonous plants in the eastern U.S. in non-agricultural areas are non-native and many are invasive.
  • Approximately 10,000 non-indigenous aquatic species are currently present in U.S. waters, many of them with severe ecological consequences.

 

 

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