hordeum murinum, bromus tectorum, polygonum aviculare, amaranthus retroflexus, artemisia absinthium, atriplex tatarica, bromus squarrosus, capsella bursa-pastoris, carduus acanthoides, convolvulus arvensis, cynodon dactylon, geranium pusillum, lepidium ruderale, lolium perenne, marrubium vulgare, plantago lanceolata, sisymbrium loeselii