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Ophioviridae - Ophiovirus
The members of the plant virus family Ophioviridae and its only genus Ophiovirus are similar to Citrus psorosis virus. They cause several important diseases like citrus psorosis or the big-vein disease of lettuce.
The viruses consist of highly flexuous, fine filaments, encapsidating 3 or 4 negative sensed ssRNAs with a total length of araound 12 kb. The flexuous virions are about 3nm in diameter, at least 760 nm long and form open circles which are probably coiled.
Currently, the following species have been entered into the system: