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If you work in Washington's forests, you may see a variety of invasive species, such as garlic mustard, knapweeds, or Scotch broom. The health of the trees you work with may be affected, or be threatened, by gypsy moths or invasive wood-boring insects.

What can you do to prevent the introduction and spread of invasive species?

Clean vehicles, equipment, and personal gear. To prevent invasive species from hitching a ride on you or your gear, you can take the following actions:

For more information, please see the following links:

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