text: convolvulus arvensis, cynodon dactylon, cirsium arvense, digitaria sanguinalis, echinochloa crus-galli, mentha arvensis, setaria pumila, amaranthus retroflexus, aristolochia clematitis, chenopodium album, raphanus raphanistrum, sambucus ebulus, sinapis arvensis, sonchus arvensis, symphytum officinale, verbena officinalis