Brassica arvenis; Sinapis arvenis; English: California-rape, charlock, common mustard, field mustard, field kale, kedlock, wild mustard; French: moutarde des champs, moutarde sauvage; German: Ackersenf; Italian: senape; Portuguese: mostarda-dos-campos; Spanish: collejón
Place of origin: Eurasia
Urban habitat: Commonly found along roadsides, in disturbed areas.
Ecological function: disturbance-adapted colonizer; food for wildlife; can grow in a wide variety of soil types.
History: Brassica kaber is considered invasive in parts of the U.S. It is edible, consumed for it flowers, leaves, and seeds, which are ground and used as a condiment. Its oil has been used as a lubricant