zea mays, cirsium arvense, ajuga chamaepitys, amaranthus blitum, convolvulus arvensis, euphorbia chamaesyce, euphorbia exigua, euphorbia helioscopia, galeopsis tetrahit, heliotropium europaeum, lolium temulentum, medicago sativa, mercurialis annua, setaria pumila, setaria viridis, sonchus oleraceus, echium italicum