Brassica rapa is a species in the Brassica genus. It is commonly known as Komatsuna, Japanese mustard spinach This name is accepted name for the species in the family Brassicaceae . . This species is found in Albania, Algeria, Bulgaria, Eritrea, Ethiopia, Greece, Iran, Iraq, Italy, Kriti, Lebanon-Syria, Libya, Morocco, North Caucasus, Oman, Palestine, Saudi Arabia, Transcaucasus, Tunisia, Turkey, Yugoslavia.