bromus sterilis, hordeum murinum, erigeron canadensis, lactuca serriola, sisymbrium orientale, tripleurospermum inodorum, arctium tomentosum, asperugo procumbens, berteroa incana, capsella bursa-pastoris, carduus acanthoides, chenopodium album, cirsium arvense, convolvulus arvensis, descurainia sophia, elymus repens, galinsoga parviflora, geranium pusillum, onopordum acanthium, poa annua