cirsium arvense, persicaria maculosa, lactuca serriola, lolium perenne, sinapis arvensis, stellaria media, tripleurospermum inodorum, apera spica-venti, capsella bursa-pastoris, chenopodium album, daucus carota, erigeron canadensis, galium aparine, lamium amplexicaule, medicago lupulina, ranunculus repens, trifolium repens, vicia tetrasperma, viola arvensis