CABI Bioscience, UK: www.cabi-bioscience.org
Central Science Laboratory, UK: www.csl.gov.uk
Warwick HRI, University of Warwick, UK: http://www2.warwick.ac.uk/fac/sci/whri/
Rothamsted Research, UK: www.rothamsted.bbsrc.ac.uk
Natural Resources Institute, UK: www.nri.org
University of Auckland, New Zealand: www.sbs.auckland.ac.nz
University of Florida, USA: www.ufl.edu
Plant Health Solutions: www.planthealth.co.uk
Royal Horticultural Society, UK: www.rhs.org.uk
USDA Agriculture Research Service, USA: www.ars.usda.gov
Agriculture & Agri-Food Canada, Canada: www.agr.gc.ca
National Invasive Species Information Center: http://www.invasivespeciesinfo.gov/microbes/main.shtml
EPPO Alert List: http://www.eppo.org/QUARANTINE/Alert_List/alert_list.htm