lolium perenne, plantago major, lepidium ruderale, scorzoneroides autumnalis, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, matricaria discoidea, picris hieracioides, puccinellia distans, ranunculus repens, rumex crispus, sisymbrium officinale, erigeron canadensis, heracleum sphondylium