text: malva pusilla, arctium minus, sisymbrium officinale, amaranthus retroflexus, ambrosia artemisiifolia, capsella bursa-pastoris, chenopodium album, dactylis glomerata, descurainia sophia, erigeron canadensis, lolium perenne, matricaria discoidea, plantago lanceolata, plantago major, poa annua, rorippa sylvestris, trifolium pratense, urtica urens, verbena officinalis, chenopodiastrum hybridum, galinsoga parviflora, hordeum murinum, robinia pseudoacacia, rumex crispus