lepidium draba, convolvulus arvensis, poa pratensis, bromus hordeaceus, chenopodium album, dactylis glomerata, achillea millefolium, bromus tectorum, capsella bursa-pastoris, descurainia sophia, eryngium campestre, lepidium ruderale, matricaria discoidea, phleum pratense, plantago major, sclerochloa dura, tripleurospermum inodorum, cirsium arvense, pastinaca sativa