Hop stunt viroid

The hop stunt viroid (abbreviated HSVd) is a viroid species that infects the common hop plant, citrus plants and grapevines, among others. It is a member of the Pospiviroidae family and the Hostuviroid genus.
There are quite a few different sub-species of the hop stunt viroid.
Genome.
The hop stunt viroid has a single stranded RNA genome; the genome is 297 nucleotides long.