atriplex sagittata, atriplex patula, erigeron canadensis, lactuca serriola, sisymbrium loeselii, artemisia vulgaris, avena fatua, bromus hordeaceus, bromus sterilis, chenopodium album, cirsium arvense, galium aparine, ranunculus repens, silene latifolia, tripleurospermum inodorum, chenopodium suecicum, mercurialis annua, trifolium repens