text: sisymbrium loeselii, chenopodium album, tripleurospermum inodorum, atriplex oblongifolia, capsella bursa-pastoris, descurainia sophia, erigeron canadensis, lactuca serriola, amaranthus retroflexus, atriplex sagittata, chenopodiastrum hybridum, hyoscyamus niger, papaver rhoeas, pastinaca sativa, plantago major, reseda lutea, silene latifolia, sonchus oleraceus, veronica arvensis