Korisni linkovi

Invasive alien plants - EPPO Lists and documentation
http://www.eppo.org/INVASIVE_PLANTS/ias_plants.htm

Weed Science Society of America
http://www.wssa.net/Weeds/Invasive/FactSheets/index.htm

European Weed Research Society (EWRS)
http://ewrs.org/

European Society of Nematologists
http://www.esn-online.org/

Society of Nematologists (American)
http://www.nematologists.org/

International Federation of Nematology Societies
http://www.ifns.org/