International organization that promotes the study and management of plant diseases through journal and book publications, meetings, and electronic resources for students, teachers and researchers.

Advancement and dissemination of knowledge of phytopathology and its practice, particularly in relation to the Australian region.

Founded for the study and advancement of plant pathology. Publishes several journals and disease reports.

Promotes the development and dissemination of plant pathology in Canada through annual meetings, publications and electronic resources.

Promotes scientific and technical cooperation in plant health in Europe and facilitates the exchange of information between pathologists who are members of national or regional societies.

Promotes and disseminates information relating to plant pathology, entomology and weeds at a national and international level.

Worldwide organization supporting the development and dissemination of knowledge about plant diseases and management. Includes links to national, regional and international associated societies.

Contains general information and journal details with abstracts.

Helps plant pathologists contact one another, and spreads information relating to Mediterranean diseases.

Professional society researching and publishing biology, ecology and control of weeds, pests, pathogens and beneficial organisms in agriculture, horticulture, forestry and natural ecosystems.

Promotes the increase and diffusion of knowledge relating to plant diseases and their control. Contains abstracts of the societies' journal, membership information, details of local and international meetings, and relevant links.

General information, meetings list, publications, photo gallery, and related links.

Involved in gathering and disseminating information in southern Africa through publications and seminars.

Involved in exchange of information between specialists in phytopathology, entomology and weed science. Contains list of meetings, membership form, and relevant links.