hordeum murinum, artemisia absinthium, lolium perenne, achillea collina, avena barbata, bromus tectorum, carex hirta, chenopodium album, cichorium intybus, convolvulus arvensis, dactylis glomerata, elymus repens, helminthotheca echioides, lapsana communis, plantago lanceolata, potentilla reptans, verbena officinalis