hordeum murinum, lolium perenne, sisymbrium officinale, amaranthus retroflexus, artemisia vulgaris, galinsoga parviflora, poa annua, arctium lappa, arctium minus, ballota nigra, capsella bursa-pastoris, cichorium intybus, dactylis glomerata, descurainia sophia, geranium pusillum, lepidium ruderale, matricaria discoidea, plantago lanceolata, plantago major, polygonum aviculare