chenopodium album, erigeron canadensis, fallopia convolvulus, camelina microcarpa, capsella bursa-pastoris, cirsium arvense, descurainia sophia, equisetum arvense, galium spurium, lysimachia arvensis, medicago lupulina, setaria viridis, sisymbrium altissimum, sonchus arvensis, vicia hirsuta, viola arvensis