a field with flowering mustard plants in autumn-close view of mustard flower-mustard is made from the seeds

arvensis autumnclose black blossom brassica chadlock charlock crop eurasian field fields flower flowermustard flowering food grain grass grassland green herb hot kaber meadow mustard mustardsinapis mustardsinapisweedy nature pest plant plants prairie produce seeds seedsbrown seedsblack shrub spice vegetable view weedy wild wildflower yellow