centaurea calcitrapa, carthamus lanatus, achillea millefolium, bromus hordeaceus, centaurea iberica, cirsium vulgare, convolvulus arvensis, cynoglossum officinale, leonurus cardiaca, lepidium draba, lotus corniculatus, medicago lupulina, onopordum acanthium, papaver rhoeas, plantago lanceolata, trifolium repens, verbascum blattaria, vicia cracca, viola arvensis