allium cepa, amaranthus retroflexus, cirsium arvense, digitaria sanguinalis, galinsoga parviflora, medicago lupulina, setaria viridis, convolvulus arvensis, euphorbia helioscopia, galinsoga quadriradiata, geranium pusillum, lysimachia arvensis, persicaria lapathifolia, plantago major, rorippa sylvestris, sinapis arvensis, sonchus oleraceus, stachys annua, capsella bursa-pastoris, chenopodiastrum hybridum, stellaria media, veronica persica, veronica polita, viola arvensis