There are plant pathology societies all over the world. Web addresses of some are detailed below.

 

www.bspp.co.uk

www.apsnet.org

www.appsnet.org

www.isppweb.org

www.phytopath.ca

www.saspp.co.za

 

Plant Clinics:

 

Ashtown plant diagnostics - www.teagasc.ie

FERA Plant Clinic, U.K. - www.fera.co.uk/plantClinic

CABI Plant Clinics - http://www.plantwise.org/plant-clinics

Stockbridge plant clinic - http://www.stockbridgetechnology.co.uk/horticultural_research/commercial_services/plant_clnic/diagnostic.php