lactuca serriola, tripleurospermum inodorum, poa angustifolia, poa annua, reseda luteola, sisymbrium loeselii, trifolium campestre, achillea millefolium, atriplex sagittata, carduus acanthoides, cirsium vulgare, crepis biennis, medicago lupulina, silene latifolia, sonchus oleraceus, trifolium arvense, lepidium ruderale, rumex crispus