marrubium peregrinum, scolymus hispanicus, achillea coarctata, anchusa officinalis, cichorium intybus, hordeum murinum, onopordum illyricum, rostraria cristata, setaria viridis, amaranthus retroflexus, bromus squarrosus, centaurea solstitialis, convolvulus arvensis, daucus carota, echium italicum, erodium cicutarium, eryngium campestre, heliotropium europaeum, malva sylvestris, picris pauciflora, rumex pulcher, silybum marianum, verbascum densiflorum, xeranthemum annuum