text: amaranthus retroflexus, chenopodium album, echinochloa crus-galli, plantago major, polygonum aviculare, solanum tuberosum, stellaria media, artemisia vulgaris, capsella bursa-pastoris, cirsium arvense, poa annua, tripleurospermum inodorum, veronica polita, viola arvensis, lamium amplexicaule