Wiktionary
potexvirus
n. Any of the genus (taxlink Potexvirus genus noshow=1) of plant pathogenic viruses of the family ''(taxlink Alphaflexiviridae family noshow=1).
Wikipedia
Potexvirus
Potexvirus is a genus of pathogenic viruses in the order Tymovirales, in the family Alphaflexiviridae. Plants serve as natural hosts. There are currently 37 species in this genus including the type species Potato virus X. Diseases associated with this genus include: mosaic and ringspot symptoms. The genus name comes from the type species POTato Virus X).