Glebionis coronaria, formerly called chrysanthemum coronarium, is a species of flowering plant in the daisy family. it is native to the mediterranean region. it is cultivated and naturalized in east asia and in scattered locations in north america.glebionis coronaria is used as a leaf vegetable. english language common names include garland chrysanthemum, chrysanthemum greens, edible chrysanthemum, crowndaisy chrysanthemum, chop suey greens, crown daisy, and japanese greens.glebionis coronaria has been hybridized with related argyranthemum species to create cultivars of garden marguerites.

Source: Wikipedia