text: zea mays, kickxia spuria, polygonum bellardii, ajuga chamaepitys, bothriochloa ischaemum, centaurea calcitrapa, chenopodium album, cirsium arvense, convolvulus arvensis, plantago lanceolata, rumex acetosa, senecio vulgaris, setaria pumila, sonchus oleraceus, stachys annua, echium italicum, filago pygmaea