onopordum acanthium, artemisia vulgaris, carduus carpetanus, anacyclus clavatus, dipsacus fullonum, echium vulgare, hirschfeldia incana, lolium rigidum, papaver rhoeas, scolymus hispanicus, anthemis arvensis, bromus hordeaceus, capsella bursa-pastoris, carlina corymbosa, chondrilla juncea, eryngium campestre, hordeum murinum, lactuca serriola, papaver dubium, rumex pulcher, sisymbrium officinale