convolvulus arvensis, polygonum aviculare, amaranthus retroflexus, anthemis arvensis, chenopodium album, cirsium arvense, setaria viridis, amaranthus albus, centaurea cyanus, centaurea solstitialis, chondrilla juncea, cynodon dactylon, eragrostis minor, heliotropium europaeum, polycnemum arvense, sonchus oleraceus