- "Fighting an Alien Invasion" by Tovah Martin
- http://invasivespecies.gov/index.html
- http://www.nmfs.noaa.gov/pr/species/
- http://nativeplantnetwork.org/
- http://nanps.org/
- http://plants.usda.gov/gallery.html
- http://nbii-nin.ciesin.columbia.edu/ipane/index.htm
- Connecticut Association of Conservation and Inland Wetland Commissions
- Connecticut Chapter of the American Society of Landscape Architects
- Connecticut Chapter of the Northeast Organic Farming Association
- Connecticut Botanical Society
- Connecticut College Arboretum
- Connecticut Department of Transportation
- Connecticut Forest and Park Association
- Connecticut Green Industries Council
- Connecticut Florists Association
- Connecticut Greenhouse Growers Association
- Connecticut Tree Protective Association
- Connecticut Nursery & Landscape Association
- Connecticut Women's Agricultural Network
- The Connecticut Environmental Review Team
- Eastern Connecticut Resource Conservation & Development Council
- Farmington River Watershed Association
- Federated Garden Clubs of Connecticut, Inc.
- Hartford Audubon Society
- Invasive Plant Atlas of New England
- Mad Gardeners
- The Middletown Garden Club
- Natural Resource Conservation Service (NRCS)
- Natural Resources Council of Connecticut
- The Nature Conservancy, Connecticut Chapter
- Naugatuck Valley Community College, Horticulure Program
- New England Invasive Plant Center
- New England Plant Group
- Norwalk River Watershed Association
- Rivers Alliance of Connecticut
- Silvio O. Conte National Fish & Wildlife Refuge
- Southern New England Chapter of the Soil and Water Conservation Society
- Tree Wardens Association of Connecticut
- University of Connecticut
- USDA APHIS PPQ
- Weir Farm National Park Service