convolvulus arvensis, hordeum murinum, tripleurospermum inodorum, amaranthus retroflexus, atriplex patula, bromus grossus, capsella bursa-pastoris, chenopodium album, cirsium arvense, erigeron canadensis, erodium cicutarium, lactuca serriola, stellaria media, torilis arvensis, veronica polita, arctium lappa, thlaspi arvense