ambrosia artemisiifolia, lepidium virginicum, achillea millefolium, poa compressa, trifolium repens, tripleurospermum inodorum, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, daucus carota, erigeron annuus, erigeron canadensis, lactuca serriola, lolium perenne, medicago lupulina, picris hieracioides, plantago lanceolata, plantago major, setaria viridis