sisymbrium altissimum, erigeron canadensis, tripleurospermum inodorum, artemisia vulgaris, bromus tectorum, carduus acanthoides, cirsium arvense, convolvulus arvensis, achillea millefolium, arctium lappa, arrhenatherum elatius, calamagrostis epigejos, capsella bursa-pastoris, crepis foetida, melilotus albus, papaver rhoeas, pastinaca sativa, polygonum aviculare, setaria pumila