Sixteen groups of plant viruses.
D000818:Animals; D004199:Disease Vectors; D004463:Ecology; D009696:Nucleic Acids; D010935:Plant Diseases; D010942:Plant Viruses / Q000032:analysis / Q000145:classification* / Q000254:growth & development / Q000276:immunology / Q000472:pathogenicity; D009626:Terminology as Topic; D014764:Viral Proteins
D009696:Nucleic Acids; D014764:Viral Proteins