zea mays, convolvulus arvensis, anthemis arvensis, bothriochloa ischaemum, centaurea calcitrapa, chenopodium album, cirsium arvense, helminthotheca echioides, kickxia spuria, lactuca serriola, mercurialis annua, phalaris brachystachys, polygonum bellardii, rumex acetosa, sonchus oleraceus, stachys annua, echium vulgare, medicago lupulina, orlaya grandiflora