anthemis arvensis, polygonum aviculare, legousia speculum-veneris, medicago lupulina, sinapis arvensis, centaurea cyanus, knautia arvensis, papaver rhoeas, vicia cracca, avena fatua, bellardiochloa variegata, buglossoides arvensis, capsella bursa-pastoris, cirsium arvense, elymus repens, knautia integrifolia, rumex acetosa, sonchus asper, trifolium campestre, vicia sativa