Stores known fungal virulence factors. DFVF is an online database that provides interactive access to the collected data. The fungus strain taxonomy is recorded with its original reference, as it may help investigators to find the references. In addition, the domain annotation of each virulence factor and their Gene Ontology (GO) annotation are also recorded. The phenotypic information, such as disease information and host, is also collected. All plant diseases and host descriptions are from the US Department of Agriculture database records.