The following are great resources for invasive species education and removal:
Multnomah Weed Watchers EDRR (Early Detection & Rapid Response) ID Guide
Oregon Invasive Species Council
The Global Invasive Species Team
Oregon State University Herbarium
Invasive and Noxious Weeds USDA/NRCS
California Dept. of Food and Agriculture’s “Encycloweedia”
