cannabis sativa, centaurea cyanus, lolium perenne, anthemis arvensis, cynodon dactylon, setaria viridis, chenopodium album, digitaria sanguinalis, elymus repens, fallopia convolvulus, onopordum acanthium, convolvulus arvensis, apera spica-venti, polygonum aviculare, capsella bursa-pastoris, sonchus asper