随伴病毒科(Sequiviridae)(伴生病毒科)

• 随伴病毒属(Sequivirus伴生病毒属) - 代表种：欧洲防风草变黄斑点病毒(Parsnip yellow fleck virus)
• 矮化病毒属(Waikavirus) - 代表种：水稻东格鲁(衰退)球状病毒(Rice tungro spherical virus)

Sequivirus is a genus of viruses in the order Picornavirales, in the family Secoviridae. Plants serve as natural hosts. There are currently three species in this genus including the type species Parsnip yellow fleck virus. Diseases associated with this genus include: PYFV: vein-yellowing, yellow flecks and yellow/green mosaic symptoms in parsnip, and ‘yellow net', followed by yellow spots and leaf distortion in celery.