Control of Invasive Non-Native Plants, MNPS
Illinois Department of Conservation
Invasive Species Information Node
Mid-Atlantic Exotic Pest Plant Council, Inc.
Missouri Department of Conservation
National Agricultural Pest Information System
National Invasive Species Information Center
The Nature Conservancy, Wildland Invasive Species Program
New Pest Detections in Maryland Nurseries
Pest Threats, University of Maryland
Plant Conservation Alliance, Alien Plant Working Group
Southeast Exotic Pest Plant Council
United States Department of Agriculture-Animal and Plant Health Inspection Service
University of Maryland Home and Garden Information Center
USDA/APHIS/PPQ Federal Noxious Weed Program
USDA ERS Briefing Room - Invasive Species Management
USGS Nonindigenous Aquatic Species information resource
Virginia Invasive Species Council