European Academy of Allergy and Clinical Immunology (EAACI): EAACI Website

European Federation of Allergy and Airways Diseases Patients Association (EFA): EFA Website

French pollen network: RNSA Website

Global pollen project: Master reference collection

International Association for Aerobiology (IAA): IAA Website

International Ragweed Society (IRS): IRS Website

Italian pollen network: AIA Website

PollenInfo: Website

Science & Plants for schools: Pollen image library

Summaries of EU Legislation: Website

Swiss pollen forecast: Pollen and allergy (French, German and Italian)

Swiss pollen network: MeteoSwiss website