hordeum murinum, buglossoides arvensis, capsella bursa-pastoris, sisymbrium hispanicum, anacyclus clavatus, brassica rapa, carduus tenuiflorus, fumaria officinalis, lepidium draba, papaver rhoeas, scorzonera laciniata, vicia cracca, centaurea calcitrapa, lamium amplexicaule, lolium rigidum, malva sylvestris