Virus Classification-Cross Kingdom virus families

Cross-Kingdom VirusesCertain virus families / groupings cross “kingdom” or phylum boundaries.

For example, virus families infecting two kingdoms of organisms are: Bunyaviruses: animals and plants Partitiviruses: plants and fungi Reoviruses: animals and plants Rhabdoviruses: animals and plants Phycodnaviruses: protozoa and plants Picornavirus-like viruses: plants and animals Totiviruses: protozoa / fungi and insects – tentative

The reasons for this are probably caught up in their evolution and cospeciation with their hosts see also here.

via Virus Classification.

Virus classification – Wikipedia

Virus classification involves naming and placing viruses into a taxonomic system. Like the relatively consistent classification systems seen for cellular organisms, virus classification is the subject of ongoing debate and proposals. This is largely due to the pseudo-living nature of viruses, which are not yet definitively living or non-living. As such, they do not fit neatly into the established biological classification system in place for cellular organisms, such as eukaryotes and prokaryotes.

via Virus classification – Wikipedia, the free encyclopedia.