lolium perenne, tripleurospermum inodorum, convolvulus arvensis, descurainia sophia, erigeron canadensis, geranium pusillum, hordeum murinum, bromus japonicus, bromus sterilis, capsella bursa-pastoris, cirsium arvense, lactuca serriola, malva neglecta, stellaria media, viola arvensis, amaranthus retroflexus, linaria vulgaris, thlaspi arvense