text: sisymbrium officinale, hirschfeldia incana, malva sylvestris, sisymbrium austriacum, verbena officinalis, hordeum murinum, polygonum aviculare, urtica dioica, capsella bursa-pastoris, chenopodium album, lapsana communis, poa annua, sinapis arvensis, amaranthus retroflexus, erodium cicutarium, plantago major, senecio vulgaris