Most problematic invasive plants — or weeds — found in North America were transported here from other continents. When invasive plants like Canada Thistle (which is native to Europe) become established, they often spread to dominate the native vegetation. By altering plant communities, invasive plants can lead to changes in:
habitat and food opportunities for wildlife
abundance and quality of agricultural lands and livestock forage
soil and water quality
ecosystem processes and species biodiversity
visual quality and aesthetic value of the landscape
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Educate and raise awareness among floaters, landowners, outfitters, policy makers and the general public about invasive plant issues - About Us
Promote and share invasive plant research, management and assessment efforts - About the Smith
Collaborate with Smith River users, private landowners and public land managers to develop invasive plant management strategies that are integrated, cooperative, cost-effective and sustainable - Weed Maps
Clean your clothing, gear and boats before and after your river trip to avoid transporting seeds to and from the river. FLOAT ROUTE
Learn to recognize the invasive plants you might find during your visit to the Smith River. PLANT GUIDE
Avoid passing through infestations where you might pick up seeds on your clothing.
Learn more about invasive plant issues on the Smith River and in other areas. Spread the word by sharing your new knowledge with others. WHITE PAPERS
Let your legislators know that you are concerned about invasive plants.
Support invasive plant management, research & assessment efforts. LINKS
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