iMap Invasives

Geotracking invasive exotic species

Weeds Gone Wild

Alien plant invaders of natural areas

National Arboretum

Invasive plants

Invasive and Noxious Weeds

US Department of Agriculture

The Nature Conservancy

Take on the invaders

4 County Cooperative Weed Management Area

West Multnomah Soil and Water Conservation District

East Multnomah Soil and Water Conservation District

Oregon Department of Agriculture

Noxious Weed Control

Invasive Plant and Pest Management

Portland Parks & Recreation

Native Plant Resources

Information about native plants, invasive vegetation and planting stormwater facilities

• Caring For Your Garden Resources
• Garden Design and Plant Selection Resources
• Native Plant Poster
• Native Plant Examples
• Native Plant Society