onopordum acanthium, hordeum murinum, polygonum aviculare, arctium minus, convolvulus arvensis, cynodon dactylon, diplotaxis tenuifolia, elymus repens, achillea millefolium, atriplex prostrata, bromus squarrosus, cynoglossum officinale, echium vulgare, lactuca serriola, lepidium ruderale, marrubium vulgare, melilotus albus, papaver rhoeas, poa angustifolia, scorzonera laciniata, sisymbrium officinale