text: apera spica-venti, echinochloa crus-galli, amaranthus retroflexus, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, fallopia convolvulus, lycopsis arvensis, matricaria chamomilla, matricaria discoidea, myosotis arvensis, persicaria lapathifolia, poa annua, polygonum aviculare, thlaspi arvense, plantago major, veronica arvensis, vicia tenuifolia, viola arvensis