sisymbrium loeselii, descurainia sophia, melilotus albus, cichorium intybus, achillea millefolium, artemisia vulgaris, bromus tectorum, capsella bursa-pastoris, cirsium arvense, erysimum cheiranthoides, geranium pusillum, lactuca serriola, lepidium ruderale, matricaria discoidea, plantago major, poa pratensis, sisymbrium altissimum, sonchus arvensis, trifolium repens, tripleurospermum inodorum