Invasive Species in Massachusetts
http://www.northeastans.org/pet/index.html

MA Aquatic Invasive Species Working Group. MA aquatic invasive species management plan. December 2002
http://www.mass.gov/czm/invasivemanagementplan.htm

Maine Sea Grant
http://www.seagrant.umaine.edu/index.htm

Massachusetts Bays Program
http://www.mass.gov/envir/massbays

MIT Sea Grant Center for Coastal Resources
http://massbay.mit.edu/exoticspecies/index.html

National Sea Grant
http://www.nsgo.seagrant.org/

New Hampshire Sea Grant
http://www.seagrant.unh.edu/index.html

Northeast Aquatic Nuisance Species Panel
http://www.northeastans.org

Smithsonian Environmental Research Center. National Exotic marine and Estuarine Species Information
http://invasions.si.edu/nemesis/index.html

Woods Hole Sea Grant
http://www.whoi.edu/seagrant/

World Conservation Union, Invasive Species Specialist Group
http://www.issg.org/