elymus repens, artemisia absinthium, artemisia vulgaris, cirsium arvense, chenopodium album, erigeron canadensis, achillea millefolium, amaranthus retroflexus, carduus acanthoides, cirsium vulgare, daucus carota, lactuca serriola, plantago lanceolata, poa pratensis, silene latifolia, sisymbrium officinale