beta vulgaris, avena fatua, chenopodium album, cirsium arvense, cynodon dactylon, echinochloa crus-galli, galega officinalis, helminthotheca echioides, matricaria chamomilla, medicago lupulina, persicaria lapathifolia, plantago major, rumex crispus, solanum nigrum, symphyotrichum squamatum, lolium perenne, trifolium pratense