Pospiviroid

Pospiviroid
Virus classification
Informal group: Subviral agents
Informal group: Viroids
Family: Pospiviroidae
Genus: Pospiviroid
Species

Pospiviroid is a genus of ssRNA viroids that infects plants, most commonly tubers. It belongs to the family Pospiviroidae. The first viroid discovered was a pospiviroid, the PSTVd species (potato spindle tuber viroid).