Oregon Sea Grant.
The materials found here are part of Menace to the West, an educational resource for teachers, informal educators, parents, and students on aquatic invasive species. These materials are designed to teach K-12 students how invasive species can do untold damage when they move to new territory. Kits, resources, and full lessons are available.
University of Delaware Cooperative Extension.
Plants for a Livable Delaware is a campaign to identify and promote superior plants that thrive without becoming invasive. Visit the University of Delaware's Extension Program
for more information on sustainable landscaping.