Invasive non-native plants are one of the biggest threats to native ecosystems, second only to habitat conversion. Washington’s forested communities, prairies, shrub-steppe, grasslands, riparian and wetland habitats are all vulnerable.
|About Invasive Species|
|Noxious Weed Project
Learn how to collect specific noxious weeds for Washington herbaria.
|WNPS Native Plant Stewards Survey Invasive Plants on High Country Trails by Gary Smith, Stewardship Chair