elymus repens, calamagrostis epigejos, convolvulus arvensis, poa pratensis, amaranthus albus, arctium lappa, arctium tomentosum, atriplex patula, bromus tectorum, carduus acanthoides, chenopodium album, daucus carota, epilobium tetragonum, galinsoga parviflora, lactuca serriola, lepidium ruderale, lolium perenne, medicago lupulina, melilotus albus, melilotus officinalis, rumex obtusifolius, sisymbrium altissimum, sisymbrium loeselii, solanum nigrum, sonchus asper, trifolium pratense