silybum marianum, hordeum murinum, erodium ciconium, geranium pusillum, matricaria chamomilla, onopordum acanthium, sisymbrium officinale, xanthium spinosum, capsella bursa-pastoris, carduus acanthoides, centaurea solstitialis, chenopodium album, convolvulus arvensis, cynodon dactylon, descurainia sophia, galium aparine, malva sylvestris, medicago lupulina, papaver rhoeas, rumex pulcher