A family of RNA plant viruses with a wide host range in crops and horticultural species. All viruses are readily transmitted by mechanical means and some by insects and pollen. The genera include: ALFAMOVIRUS; BROMOVIRUS; CUCUMOVIRUS; ILARVIRUS; and OLEAVIRUS.

A plant genus of the family GERANIACEAE. The common name of geranium is also used for the GERANIUM genus.

A genus of the family BROMOVIRIDAE which infects mainly woody plants. Species are divided into ten subgroups. Tobacco streak virus is the type species.

A genus of tripartite plant viruses in the family BROMOVIRIDAE. Transmission is by beetles. Brome mosaic virus is the type species.