dittrichia viscosa, avena sterilis, medicago polymorpha, avena barbata, cynodon dactylon, daucus carota, helminthotheca echioides, lolium rigidum, lysimachia arvensis, medicago orbicularis, briza maxima, crepis vesicaria, galactites tomentosa, hypericum perforatum, linum bienne, medicago murex, paspalum dilatatum, ranunculus muricatus, ranunculus sardous, rumex pulcher, scorpiurus muricatus, trifolium angustifolium, vicia sativa