zea mays, ajuga chamaepitys, amaranthus retroflexus, centaurea cyanus, chenopodium album, cirsium arvense, convolvulus arvensis, euphorbia falcata, falcaria vulgaris, lepidium draba, lipandra polysperma, reseda lutea, sambucus ebulus, setaria viridis, sonchus arvensis, stachys annua, viola arvensis