text: lactuca serriola, sonchus arvensis, artemisia vulgaris, chenopodium album, erigeron canadensis, lolium perenne, poa annua, poa pratensis, polygonum aviculare, tripleurospermum inodorum, capsella bursa-pastoris, crepis tectorum, echinochloa crus-galli, elymus repens, erysimum cheiranthoides, galium aparine, medicago lupulina, oxybasis glauca, persicaria lapathifolia, plantago major, rosa rugosa, rumex crispus, sisymbrium officinale, trifolium repens