O1: Seed mustard Mainly come from Central and Western Asia, Northwest China.

O2: Seed mustard mainly come from Southwest China.

O3: Seed mustard mainly come from South Asia.

O4: Seed mustard mainly come from Northwestern India.

O5: Seed mustard mainly come from Europe, North America.

O6: Seed mustard mainly come from India.

U1: Indian mustard with unknown usage.

V1: Root mustard mainly come from Northeast China and South China.

V2: Leaf mustard mainly come from South China, Japan. Vegetable-use (leaf).

V3: Stem mustard come from South China.