lactuca serriola, elymus repens, equisetum sylvaticum, artemisia vulgaris, erigeron annuus, sorghum halepense, daucus carota, galium album, arctium lappa, cirsium arvense, erigeron canadensis, chenopodium album, clematis vitalba, conium maculatum, euphorbia stricta, galeopsis tetrahit, plantago major, poa trivialis, ranunculus oxyspermus, setaria pumila, sonchus asper, xanthium orientale, verbena officinalis