zea mays, bothriochloa ischaemum, cirsium arvense, convolvulus arvensis, helminthotheca echioides, kickxia spuria, lolium temulentum, mercurialis annua, nigella damascena, papaver dubium, polygonum bellardii, rumex acetosa, setaria pumila, sonchus oleraceus, stachys annua, potentilla reptans, setaria verticillata