text: convolvulus arvensis, cynodon dactylon, echinochloa crus-galli, portulaca oleracea, setaria viridis, amaranthus blitum, anthemis arvensis, chenopodium album, fumaria capreolata, helminthotheca echioides, hordeum murinum, kickxia spuria, lolium temulentum, medicago sativa, plantago lanceolata, plantago major, potentilla reptans, sonchus arvensis, sonchus oleraceus