- SPDN pest lists and image library (part of Bugwood Network)
- 2004 Pest Lists (Pathogen list, Arthropod list, Weed list)
- GPDN Hosts Web-Seminar Series on Plant Diagnostics, January 23 - March 26, 2008.
- Phytophthora Online Course: Training for Nursery Growers (free course)
- Widely Prevalent Fungi lists and image library http://www.prevalentfungi.org/
- Australian Pest and Diseases Image Library (PaDIL) http://www.padil.gov.au/default.aspx
- Digital Diagnostic and Identification System (DDIS) http://ddis.ifas.ufl.edu