Klasea pusillaKlasea pusilla, is a species of flowering plant in the genus Klasea within the family Asteraceae. It is a native of the Eastern Mediterranean region.DescriptionKlasea pusilla has a thistle-like flower head, it flowers from April to June.Distribution and habitatThe plant grows in Lebanon, Syria, Israel and Jordan in Mediterranean semi-steppe shrubland.Research and usesA 2014 study investigating the biological activity of Lebanese indigenous medicinal plants showed that whole plant extracts of K. pusilla has a significant repellent effect against the adult silverleaf whitefly, an important invasive agricultural pest.