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Purple Loosestrife invasion of Washington wetlands.

Purple Loosestrife invasion of Washington wetlands. Copyright 2006. All rights reserved.

Home > Invasive Species

Invasive Species

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