hordeum murinum, anacyclus radiatus, bromus hordeaceus, bromus madritensis, cirsium arvense, lolium multiflorum, sisymbrium officinale, trifolium fragiferum, trifolium repens, trisetaria panicea, avena barbata, beta vulgaris, capsella rubella, carduus pycnocephalus, convolvulus arvensis, crepis setosa, echium plantagineum, medicago arabica, plantago lanceolata, poa annua, poa trivialis, polygonum aviculare, xanthium spinosum